Identify the structure indicated by the black leader line in the image below.
Fill in the blank
The Correct Answer is {"dropdown-group-1":"B"}
Correct answer: left atrial appendage
The black leader line points to the left auricle, the ear-shaped muscular appendage of the left atrium that increases atrial volume.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: left atrial appendage
The black leader line points to the left auricle, the ear-shaped muscular appendage of the left atrium that increases atrial volume.
Correct Answer is A
Explanation
A. Radial: The radial pulse is palpated at the lateral (thumb) side of the wrist between the tendons of the flexor carpi radialis and the abductor pollicis longus -it is superficial and commonly used clinically, so this is the correct pulse for a wrist/forearm highlighted area.
B. Ulnar: The ulnar pulse lies on the medial (pinky) side of the wrist and is deeper and often harder to palpate than the radial; it would not be the best choice if the highlighted area is lateral at the thumb side.
C. Brachial: The brachial pulse is felt on the medial aspect of the arm (at the antecubital fossa or just medial to the biceps tendon) and is used for infants or blood pressure -it is not located at the distal wrist.
D. Dorsalis pedis: The dorsalis pedis pulse is on the dorsum of the foot (between the tendons over the instep) and is unrelated to a wrist/forearm highlighting.
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