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  • Question 1 - The vascular structure found on the right side of the fifth lumbar vertebra...

    Incorrect

    • The vascular structure found on the right side of the fifth lumbar vertebra is?

      Your Answer: Aorta

      Correct Answer: Inferior vena cava

      Explanation:

      The most likely vascular structure is the inferior vena cava. The inferior vena cava is formed by the joining of the two common iliac arteries, the right and the left iliac artery, at the level of the fifth lumbar vertebra( L5). The inferior vena cava passes along the right side of the vertebral column. It enters the thoracic cavity into the underside of the heart through the caval opening of the diaphragm at the level of the eight thoracic vertebra (T8).

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      1
      Seconds
  • Question 2 - What is the innervation of the tensor tympani muscle? ...

    Incorrect

    • What is the innervation of the tensor tympani muscle?

      Your Answer:

      Correct Answer: Trigeminal nerve

      Explanation:

      The tensor veli palatini is innervated by the medial pterygoid nerve, a branch of mandibular nerve, the third branch of the trigeminal nerve (CN V3) – the only muscle of the palate not innervated by the pharyngeal plexus, which is formed by the vagal and glossopharyngeal nerves.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 3 - Which of the following muscles attaches to the pterygomandibular raphe? ...

    Incorrect

    • Which of the following muscles attaches to the pterygomandibular raphe?

      Your Answer:

      Correct Answer: Superior pharyngeal constrictor muscle

      Explanation:

      The pterygomandibular raphé (pterygomandibular ligament) provides attachment on its posterior border to the superior pharyngeal constrictor and on its anterior border to the buccinator muscle.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 4 - The middle meningeal artery is the largest among the arteries that supplies that...

    Incorrect

    • The middle meningeal artery is the largest among the arteries that supplies that dura mater of the brain. What is the terminal branch of the middle meningeal artery?

      Your Answer:

      Correct Answer: Maxillary artery

      Explanation:

      The middle meningeal artery is the largest of the three (paired) arteries that supply the meninges. The middle meningeal artery is typically the third branch of the first part of the maxillary artery, one of the two terminal branches of the external carotid artery.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 5 - A patient is diagnosed with a tumour of the parotid gland. During surgical...

    Incorrect

    • A patient is diagnosed with a tumour of the parotid gland. During surgical removal of the gland, which artery is vulnerable to injury?

      Your Answer:

      Correct Answer: External carotid artery

      Explanation:

      The external carotid artery is a major artery of the head and neck. It arises from the common carotid artery when it splits into the external and internal carotid artery. It supplies blood to the face and neck. The external carotid artery begins opposite the upper border of the thyroid cartilage and, taking a slightly curved course, passes upward and forward and then inclines backward to the space behind the neck of the mandible, where it divides into the superficial temporal and internal maxillary arteries. It rapidly diminishes in size in its course up the neck, owing to the number and large size of the branches given off from it. At its origin, this artery is more superficial and placed nearer the midline than the internal carotid and is contained within the carotid triangle. The external carotid artery is covered by the skin, superficial fascia, platysma, deep fascia and anterior margin of the sternocleidomastoid. It is crossed by the hypoglossal nerve, by the lingual, ranine, common facial and superior thyroid veins; and by the digastric and stylohyoid; higher up it passes deeply into the substance of the parotid gland, where it lies deep to the facial nerve and the junction of the temporal and internal maxillary veins. It is here that it is in danger during surgery of the parotid gland.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 6 - Both the arytenoid muscles and the lateral cricoarytenoid muscles perform this action on...

    Incorrect

    • Both the arytenoid muscles and the lateral cricoarytenoid muscles perform this action on the glottis:

      Your Answer:

      Correct Answer: Adduction

      Explanation:

      Both the arytenoid and the cricoartenoid muscles close the glottis. The lateral cricoarytenoid muscles extend from the lateral cricoid cartilage to the muscular process of the arytenoid cartilage. By rotating the arytenoid cartilages medially, these muscles adduct the vocal cords and thereby close the rima glottidis. The arytenoid muscle adducts or approximates the arytenoid cartilages, and thus closes the aperture of the glottis.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 7 - One of the following structures is contained in the anterior compartment of the...

    Incorrect

    • One of the following structures is contained in the anterior compartment of the lower leg. Which is it?

      Your Answer:

      Correct Answer: Extensor hallucis muscle

      Explanation:

      The lower leg is made up of four fascial compartments separated from one another by septa that contain the muscles of the lower leg. The four compartments are ; anterior, lateral, deep posterior and superficial posterior compartments.
      These are the compartments and there contents:
      i) Anterior compartment: Tibialis anterior muscle, extensor hallucis longus muscle, extensor digitorum longus muscle, peroneus tertius muscles, deep fibular nerve and anterior tibial blood vessels
      ii) Lateral compartment: Fibularis longus muscle, brevis muscles and superficial fibular nerve
      iii) Deep posterior compartment: Tibialis posterior m., flexor hallucis longus m., flexor digitorum longus m. ,popliteus m. , tibial nerve, posterior tibial artery and posterior tibial vessels such as the fibular artery.
      iv) Superficial posterior compartment: Gastrocnemius m., soleus m., plantaris m., medial sural cutaneous nerve

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 8 - During a case presentation, a 26 year old is said to have fractured...

    Incorrect

    • During a case presentation, a 26 year old is said to have fractured his pelvis and shattered his coccyx following a motorbike accident. It is mentioned that he is likely to have lacerated his middle sacral artery from this kind of injury. Where does the middle sacral artery branch from?

      Your Answer:

      Correct Answer: Abdominal aorta

      Explanation:

      The middle sacral artery arises from behind the aorta a little above the point of its bifurcation to descend down in front of L4,5, the sacrum and coccyx.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 9 - When conducting an exploratory laparotomy procedure of a patient diagnosed with a bleeding...

    Incorrect

    • When conducting an exploratory laparotomy procedure of a patient diagnosed with a bleeding ulcer of the lesser curvature of the stomach, which artery in this patient are you most likely to ligate to control the bleeding?

      Your Answer:

      Correct Answer: Left gastric

      Explanation:

      The lesser curvature of the stomach is supplied by the left gastric artery along with the right gastric artery. These two arteries are the ones to most likely be ligated if bleeding was to be stopped at the lesser curvature of the stomach. The splenic artery branches from the celiac branch and supplies the spleen. The left gastro-omental, the right and left gastroepiploic arteries supply the greater curvature.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds
  • Question 10 - Which of the following foramina will the ophthalmic artery pass through in order...

    Incorrect

    • Which of the following foramina will the ophthalmic artery pass through in order to reach the eye?

      Your Answer:

      Correct Answer: Optic canal

      Explanation:

      The optic foramen is the opening to the optic canal. The canal is located in the sphenoid bone; it is bounded medially by the body of the sphenoid and laterally by the lesser wing of the sphenoid. The superior surface of the sphenoid bone is bounded behind by a ridge, which forms the anterior border of a narrow, transverse groove, the chiasmatic groove (optic groove). The groove ends on either side in the optic foramen, which transmits the optic nerve and ophthalmic artery into the orbital cavity. Compared to the optic nerve, the ophthalmic artery is located inferolaterally within the canal.

    • This question is part of the following fields:

      • Anatomy
      • Basic Sciences
      0
      Seconds

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