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  • Question 1 - Which of the following muscles inserts into the patella? ...

    Correct

    • Which of the following muscles inserts into the patella?

      Your Answer: The quadriceps femoris complex

      Explanation:

      The quadriceps femoris muscle translates to “four-headed muscle” from Latin. It bears this name because it consists of four individual muscles; rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius. Out of all four muscles, only the rectus femoris crosses both the hip and knee joints. The others cross only the knee joint. These muscles differ in their origin, but share a common quadriceps femoris tendon which inserts into the patella. The function of the quadriceps femoris muscle is to extend the leg at the knee joint and to flex the thigh at the hip joint.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      6.4
      Seconds
  • Question 2 - The most important nerves for inversion of the foot are: ...

    Correct

    • The most important nerves for inversion of the foot are:

      Your Answer: Tibial and deep fibular nerve

      Explanation:

      Inversion of the foot is achieved by the tibialis anterior which is innervated by the deep fibular nerves, and the tibialis posterior muscles which is innervated by the tibial nerve respectively.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      8.7
      Seconds
  • Question 3 - Which of the following would you NOT expect from a deep fibular nerve...

    Correct

    • Which of the following would you NOT expect from a deep fibular nerve palsy:

      Your Answer: Loss of sensation over heel

      Explanation:

      Damage to the deep fibular nerve results in loss of dorsiflexion of the ankle, with resultant foot drop with high-stepping gait, loss of toe extension, weakness of foot inversion and loss of sensation over the webspace between the 1st and 2nd toes.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      9
      Seconds
  • Question 4 - Which of the following muscles is most responsible for thigh extension at the...

    Incorrect

    • Which of the following muscles is most responsible for thigh extension at the hip joint?

      Your Answer: Hamstrings, gluteus medius and gluteus minimus

      Correct Answer: Hamstrings and gluteus maximus

      Explanation:

      For hip extension, the gluteus maximus and hamstring muscles work together. To compensate for gluteus maximus weakness, the hamstring frequently acts as the primary hip extensor.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      30.4
      Seconds
  • Question 5 - The most important nerve for plantar flexion of the foot at the ankle...

    Incorrect

    • The most important nerve for plantar flexion of the foot at the ankle joint is:

      Your Answer: Saphenous nerve

      Correct Answer: Tibial nerve

      Explanation:

      Muscles of the posterior compartment of the leg, innervated by the tibial nerve, perform plantar flexion of the foot at the ankle joint. The fibularis longus (innervated by the superficial fibular nerve) assists in plantar flexion but is not the most important.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      23.5
      Seconds
  • Question 6 - Which nerve supplies the muscle flexor hallucis longus? ...

    Incorrect

    • Which nerve supplies the muscle flexor hallucis longus?

      Your Answer: Deep peroneal nerve

      Correct Answer: Tibial nerve

      Explanation:

      Flexor hallucis longus is innervated by the tibial nerve, composed of spinal roots L4, L5, S1, S2, and S3.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      12.6
      Seconds
  • Question 7 - A patient suffers an injury to his thigh that damages the nerve that...

    Correct

    • A patient suffers an injury to his thigh that damages the nerve that innervates pectineus.Which of the following nerves has been damaged in this case? Select ONE answer only.

      Your Answer: Femoral nerve

      Explanation:

      Pectineus is innervated by the femoral nerve. It may also receive a branch from the obturator nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      20.1
      Seconds
  • Question 8 - Compression of this nerve can cause weakness in the left leg while walking...

    Correct

    • Compression of this nerve can cause weakness in the left leg while walking and thigh adduction weakness at the hip joint.

      Your Answer: Obturator nerve

      Explanation:

      The obturator nerve is a sensory and motor nerve that emerges from the lumbar plexus and innervates the thigh. This nerve supplies motor innervation to the medial compartment of the thigh, making it necessary for thigh adduction.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      23.9
      Seconds
  • Question 9 - A patient suffers from an injury and as a consequence, the nerve that...

    Incorrect

    • A patient suffers from an injury and as a consequence, the nerve that was damaged innervates the obturator internus muscle.In which of the following nerves is the obturator internus muscle innervated by?

      Your Answer: Inferior gluteal nerve

      Correct Answer: Nerve to obturator internus

      Explanation:

      The obturator internus is innervated by the obturator internus nerve (L5–S2), a branch of sacral plexus.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      8.1
      Seconds
  • Question 10 - A 30-year-old rugby player suffers from an anterior cruciate ligament tear while pivoting...

    Correct

    • A 30-year-old rugby player suffers from an anterior cruciate ligament tear while pivoting to attempt to run around another player. An MRI was performed and showed that his injury caused two other structures in the knee joint to be injured. Which of the following structures is most likely also injured?

      Your Answer: Medial meniscus

      Explanation:

      The O’Donoghue unhappy triad or terrible triad often occurs in contact and non-contact sports, such as basketball, football, or rugby, when there is a lateral force applied to the knee while the foot is fixated on the ground. This produces an abduction-external rotation mechanism of injury.The O’Donoghue unhappy triad comprises three types of soft tissue injury that frequently tend to occur simultaneously in knee injuries. O’Donoghue described the injuries as: anterior cruciate ligament tear, medial collateral ligament injury, and medial meniscal tear (lateral compartment bone bruise).

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      32.1
      Seconds
  • Question 11 - A 26-year-old man is involved in a motorcycle accident that results in an...

    Incorrect

    • A 26-year-old man is involved in a motorcycle accident that results in an open fracture of his tibia and fibula. The nerve that innervates peroneus tertius is damaged as a consequence of his injuries.Peroneus tertius receives its innervation from which of the following nerves? Select ONE answer only.

      Your Answer: Femoral nerve

      Correct Answer: Deep peroneal nerve

      Explanation:

      Peroneus brevis is innervated by the superficial peroneal nerve.Peroneus longus is innervated by the superficial peroneal nerve.Peroneus tertius is innervated by the deep peroneal nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      22.4
      Seconds
  • Question 12 - A 30-year-old man presents with piriformis syndrome pain, tingling, and numbness in her...

    Incorrect

    • A 30-year-old man presents with piriformis syndrome pain, tingling, and numbness in her buttocks. He noted that the pain gets worse upon sitting down. He was seen by a physiotherapist and a diagnosis of piriformis syndrome was made.Which of the following nerves becomes irritated in piriformis syndrome?

      Your Answer: Nerve to piriformis

      Correct Answer: Sciatic nerve

      Explanation:

      Piriformis syndrome is a clinical condition of sciatic nerve entrapment at the level of the ischial tuberosity. While there are multiple factors potentially contributing to piriformis syndrome, the clinical presentation is fairly consistent, with patients often reporting pain in the gluteal/buttock region that may shoot, burn or ache down the back of the leg (i.e. sciatic-like pain). In addition, numbness in the buttocks and tingling sensations along the distribution of the sciatic nerve is not uncommon. The sciatic nerve runs just adjacent to the piriformis muscle, which functions as an external rotator of the hip. Hence, whenever the piriformis muscle is irritated or inflamed, it also affects the sciatic nerve, which then results in sciatica-like pain.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      13.1
      Seconds
  • Question 13 - A 25-year-old footballer develops pain and stiffness in his thigh. A diagnosis of...

    Incorrect

    • A 25-year-old footballer develops pain and stiffness in his thigh. A diagnosis of iliopsoas syndrome is made.Iliacus is innervated by which of the following nerves? Select ONE answer only.

      Your Answer: Superior gluteal nerve

      Correct Answer: Femoral nerve

      Explanation:

      Iliacus is innervated by the femoral nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      6
      Seconds
  • Question 14 - A patient suffers an injury to the nerve that innervates piriformis.The piriformis muscle...

    Incorrect

    • A patient suffers an injury to the nerve that innervates piriformis.The piriformis muscle is innervated by which of the following nerves? Select ONE answer only.

      Your Answer: Inferior gluteal nerve

      Correct Answer: Nerve to piriformis

      Explanation:

      Piriformis is innervated by the nerve to piriformis, which is a direct branch from the sacral plexus (S1 and S2).

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      6.6
      Seconds
  • Question 15 - Which of the following best describes the popliteal artery's course? ...

    Incorrect

    • Which of the following best describes the popliteal artery's course?

      Your Answer: Terminates as the posterior tibial and the fibular artery

      Correct Answer: After exiting the popliteal fossa terminates at the lower border of the popliteus muscle

      Explanation:

      The popliteal artery divides into the anterior and posterior tibial arteries at the lower border of the popliteus after exiting the popliteal fossa between the gastrocnemius and popliteus muscles.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      12.9
      Seconds
  • Question 16 - A 42-year-old man presented to the emergency room after an incident of slipping...

    Incorrect

    • A 42-year-old man presented to the emergency room after an incident of slipping and falling onto his back and left hip. Upon physical examination, it was noted that he has pain on hip adduction, but normal hip flexion. Which of the following muscles was most likely injured in this case?

      Your Answer: Rectus femoris

      Correct Answer: Pectineus

      Explanation:

      The hip adductors are a group of five muscles located in the medial compartment of the thigh. These muscles are the adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus.The hip flexors consist of 5 key muscles that contribute to hip flexion: iliacus, psoas, pectineus, rectus femoris, and sartorius.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      26.4
      Seconds
  • Question 17 - A patient suffers an injury to the nerve that innervates gluteus medius.​The gluteus...

    Incorrect

    • A patient suffers an injury to the nerve that innervates gluteus medius.​The gluteus medius muscle is innervated by which of the following nerves? Select ONE answer only.

      Your Answer: Inferior gluteal nerve

      Correct Answer: Superior gluteal nerve

      Explanation:

      Gluteus minimus is innervated by the superior gluteal nerve.Gluteus medius is innervated by the superior gluteal nerve.Gluteus maximus is innervated by the inferior gluteal nerve.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      7.9
      Seconds
  • Question 18 - A 38-year-old woman presented to the emergency room after an incident of slipping...

    Incorrect

    • A 38-year-old woman presented to the emergency room after an incident of slipping and falling onto her back and left hip. Upon physical examination, it was noted that she has pain on hip flexion, but normal hip adduction. Which of the following muscles was most likely injured in this case?

      Your Answer: Adductor longus

      Correct Answer: Sartorius

      Explanation:

      The hip adductors are a group of five muscles located in the medial compartment of the thigh. These muscles are the adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus.The hip flexors consist of 5 key muscles that contribute to hip flexion: iliacus, psoas, pectineus, rectus femoris, and sartorius.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      9.3
      Seconds
  • Question 19 - A 22 year old professional athlete sustains an inversion injury to her left...

    Incorrect

    • A 22 year old professional athlete sustains an inversion injury to her left ankle during the 800m. Which of the following ligaments is most likely injured:

      Your Answer: Posterior talofibular ligament

      Correct Answer: Anterior talofibular ligament

      Explanation:

      Inversion injuries at the ankle in plantarflexion (such as when wearing high heels) are common, and typically result in damage to the lateral collateral ligament of the ankle, made up of the anterior talofibular, the calcaneofibular and the posterior talofibular ligaments. The anterior talofibular and the calcaneofibular ligaments are most commonly injured, and the posterior talofibular ligament rarely. The spring ligament supports the head of the talus, the deltoid ligament supports the medial aspect of the ankle joint, and the long and short plantar ligaments are involved in maintaining the lateral longitudinal arch of the foot.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      13.8
      Seconds
  • Question 20 - Given a patient with dislocation of the patella, which muscle is the most...

    Correct

    • Given a patient with dislocation of the patella, which muscle is the most important to address during rehabilitation to prevent recurrent dislocation?

      Your Answer: Vastus medialis

      Explanation:

      Patellar dislocation is a disabling musculoskeletal disorder which predominantly affects younger people who are engaged in multidirectional physically active pursuits. Conservative (non-operative) treatment is the treatment of choice for FTPD (first time patellar dislocation). Quadriceps strengthening exercises are considered one of the principal management aims for people following FTPD. A United Kingdom (UK) survey of physiotherapy practice has shown that quadriceps strengthening and specific-vastus medialis obliquus (VMO) or distal vastus medialis (VM) muscle strengthening or recruitment exercises were two of the most frequently used interventions for this population. Specific VM exercises are favoured in some quarters based on the assumption that the VM has an important role in preventing excessive lateral patellar translation.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      13.3
      Seconds
  • Question 21 - You are examining the lower limbs of a 54 year old man who...

    Incorrect

    • You are examining the lower limbs of a 54 year old man who presented after falling from a ladder at home. During your neurological assessment you note a weakness of hip flexion. Which of the following nerves is the most important for flexion of the thigh at the hip joint:

      Your Answer: Superior gluteal nerve

      Correct Answer: Femoral nerve

      Explanation:

      Flexion of the thigh at the hip joint is produced by the sartorius, psoas major, iliacus and pectineus muscles, assisted by the rectus femoris muscle, all innervated by the femoral nerve (except for the psoas major, innervated by the anterior rami of L1 – 3).

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      5.9
      Seconds
  • Question 22 - Which of the following nerves has been damaged when a patient presents with...

    Incorrect

    • Which of the following nerves has been damaged when a patient presents with a foot drop?

      Your Answer: Tibial nerve

      Correct Answer: Common peroneal nerve

      Explanation:

      The common peroneal nerve often referred to as the common fibular nerve, is a major nerve that innervates the lower extremity. It is one of the two major branches off the sciatic nerve and receives fibres from the posterior divisions of L4 through S2 nerve roots. The common peroneal nerve separates from the sciatic nerve in the distal posterior thigh proximal to the popliteal fossa. After branching off of the sciatic nerve, it continues down the thigh, running posteroinferior to the biceps femoris muscle, and crosses laterally to the head of the lateral gastrocnemius muscle through the posterior intermuscular septum. The nerve then curves around the fibular neck before dividing into two branches, the superficial peroneal nerve (SPN) and the deep peroneal nerve (DPN). The common peroneal nerve does not have any motor innervation before dividing; however, it provides sensory innervation to the lateral leg via the lateral sural nerve.The superficial peroneal nerve innervates the lateral compartment of the leg, and the deep peroneal nerve innervates the anterior compartment of the leg and the dorsum of the foot. These two nerves are essential in the eversion of the foot and dorsiflexion of the foot, respectively. The superficial and deep peroneal nerves provide both motor and sensory innervation.The most common presentation with common peroneal nerve injury or palsy is acute foot drop, although symptoms may be progressive and can include sensory loss or pain. Weakness in foot eversion may occur if the superficial peroneal nerve component is involved.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      15.7
      Seconds
  • Question 23 - A 55 year old man presents to ED complaining of leg weakness. Your...

    Incorrect

    • A 55 year old man presents to ED complaining of leg weakness. Your colleague has examined the patient and suspects femoral nerve palsy. Which of the following clinical features would you LEAST expect to see on examination of this patient:

      Your Answer: Loss of sensation over medial leg and foot

      Correct Answer: Weakness of hip extension

      Explanation:

      Damage to the femoral nerve results in weakness of hip flexion and knee extension and loss of sensation over the anterior thigh and the anteromedial knee, medial leg and medial foot.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      8.7
      Seconds
  • Question 24 - A 77 year old lady presents to ED with her left leg shortened...

    Incorrect

    • A 77 year old lady presents to ED with her left leg shortened and externally rotated following slipping and falling on a wet bathroom floor. There is an intracapsular fracture of the neck of femur seen on imaging studies. She is at risk of avascular necrosis of the head of femur. This is caused by lack of blood supply from which of these arteries?

      Your Answer: Inferior gluteal artery

      Correct Answer: Medial circumflex artery

      Explanation:

      The primary blood supply to the head of the femur is from branches of the medial femoral circumflex artery. The superior and inferior gluteal arteries supply the hip joint but not the head of femur.The lateral circumflex artery anastomoses with the medial femoral circumflex artery and assists in supplying the head of femur. The obturator artery is an important source of blood supply in children up to about 8 years. It gives rise to the artery of the head of femur which runs in the ligamentum teres and is insufficient to supply the head of femur in adults.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      17.9
      Seconds
  • Question 25 - An X-ray of a 24-year-old female hockey player who arrives at the hospital...

    Incorrect

    • An X-ray of a 24-year-old female hockey player who arrives at the hospital with a left foot injury reveals an avulsion fracture of the fifth metatarsal tuberosity. Which of the following muscles is most likely responsible for the movement of the fractured fragment?

      Your Answer: Fibularis tertius

      Correct Answer: Fibularis brevis

      Explanation:

      An avulsion fracture of the base of the fifth metatarsal happens when the ankle is twisted inwards. When the ankle is twisted inwards a muscle called the fibularis brevis contracts to stop the movement and protect the ligaments of the ankle. The base of the fifth metatarsal is where this muscle is attached. The group of lateral leg muscles that function to plantarflex the foot includes the fibularis brevis and the fibularis longus.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      23
      Seconds
  • Question 26 - You are giving a teaching session to a group of final year medical...

    Incorrect

    • You are giving a teaching session to a group of final year medical students regarding lower limb neurology. Which of the following clinical features would be expected in an obturator nerve palsy:

      Your Answer: Weakness of hip abduction

      Correct Answer: Weakness of hip adduction

      Explanation:

      Damage to the obturator nerve results in weak adduction of the hip with lateral swinging of the limb during walking due to unopposed abduction.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      10
      Seconds
  • Question 27 - A 25-year-old athlete suffers an injury to the nerve that innervates the gluteus...

    Incorrect

    • A 25-year-old athlete suffers an injury to the nerve that innervates the gluteus minimus muscle.Which of the following nerves innervates the gluteus minimus muscle?

      Your Answer: Inferior gluteal nerve

      Correct Answer: Superior gluteal nerve

      Explanation:

      Gluteus minimus is the smallest muscle of the glutei. It is located just beneath the gluteus medius muscle. Gluteus minimus predominantly acts as a hip stabilizer and abductor of the hip. The superior gluteal nerve innervates the gluteus minimus.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      11.9
      Seconds
  • Question 28 - A 29 year old woman is unable to invert her foot after sustaining...

    Incorrect

    • A 29 year old woman is unable to invert her foot after sustaining an injury to her leg playing water-polo. Which of the following nerves are most likely damaged:

      Your Answer: Tibial and superficial fibular nerve

      Correct Answer: Tibial and deep fibular nerve

      Explanation:

      Inversion of the foot is primarily produced by the tibialis anterior and the tibialis posterior muscles, innervated by the deep fibular nerve and the tibial nerve respectively.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      24.6
      Seconds
  • Question 29 - A 36-year-old man presented to the emergency room after an incident of slipping...

    Incorrect

    • A 36-year-old man presented to the emergency room after an incident of slipping and falling onto his back and left hip. Upon physical examination, it was noted that he has pain on hip extension, but normal hip abduction. Which of the following muscles was most likely injured in this case?

      Your Answer: Piriformis

      Correct Answer: Gluteus maximus

      Explanation:

      The primary hip extensors are the gluteus maximus and the hamstrings such as the long head of the biceps femoris, the semitendinosus, and the semimembranosus. The extensor head of the adductor magnus is also considered a primary hip extensor.The hip abductor muscle group is located on the lateral thigh. The primary hip abductor muscles include the gluteus medius, gluteus minimus, and tensor fasciae latae.The secondary hip abductors include the piriformis, sartorius, and superior fibres of the gluteus maximus.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      17.4
      Seconds
  • Question 30 - Which of the following clinical features would you NOT expect to see in...

    Incorrect

    • Which of the following clinical features would you NOT expect to see in a tibial nerve palsy:

      Your Answer:

      Correct Answer: Weakened eversion of the foot

      Explanation:

      Damage to the tibial nerve results in loss of plantarflexion of the ankle and weakness of inversion of the foot resulting in a shuffling gait, clawing of the toes and loss of sensation in its cutaneous distribution.

    • This question is part of the following fields:

      • Anatomy
      • Lower Limb
      0
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Anatomy (13/29) 45%
Lower Limb (13/29) 45%
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