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Question 1
Correct
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A 45-year-old obese patient goes to the emergency department with a fever and significant right upper quadrant pain. The pain radiates to her right shoulder tip. Murphy's sign is positive and acute cholecystitis is diagnosed. The pain referred to the shoulder tip is caused by one of the following nerves:
Your Answer: Phrenic nerve
Explanation:Gallbladder inflammation can cause pain in the right upper quadrant and right shoulder, which is caused by irritation of the diaphragmatic peritoneum. Pain from areas supplied by the phrenic nerve is often referred to other somatic regions served by spinal nerves C3-C5.
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This question is part of the following fields:
- Abdomen
- Anatomy
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Question 2
Correct
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Which of the following is where the rectovesical fascia is located:
Your Answer: Between the fundus of the bladder and the ampulla of the rectum
Explanation:In a triangular area between the vasa deferentia, the bladder and rectum are separated only by rectovesical fascia, commonly known as Denonvillier’s fascia.
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This question is part of the following fields:
- Abdomen
- Anatomy
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Question 3
Incorrect
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A 68-year-old man with BPH presents to the emergency department in significant pain secondary to urinary retention. What is the location of the neuronal cell bodies that are responsible for urinary bladder discomfort sensation?
Your Answer: Dorsal root ganglia of spinal cord levels L4 and L5
Correct Answer: Dorsal root ganglia of spinal cord levels S2, S3 and S4
Explanation:The activation of stretch receptors with visceral afferents relayed through the pelvic nerve plexus and into the pelvic splanchnic nerves causes bladder pain. The sensory fibres of spinal nerves S2 – S4 enter the dorsal root ganglia.
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This question is part of the following fields:
- Abdomen
- Anatomy
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