In the highlighted area, what pulse could be measured?
Radial
Ulnar
Brachial
Dorsalis pedis
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Converts fibrinogen to fibrin: that reaction is carried out by thrombin, not plasmin.
B. Breaks down fibrin, dissolving the clot: plasmin is the primary enzyme of fibrinolysis, cleaving fibrin to dissolve formed clots.
C. Triggers the extrinsic clotting mechanism, leading to clot formation: the extrinsic pathway is initiated by tissue factor (factor III) interacting with factor VII, not plasmin.
D. Inactivates thrombin, slowing clot formation: plasmin’s main role is fibrin breakdown; thrombin is primarily regulated by antithrombin, thrombomodulin–protein C systems. (Plasmin can degrade some clotting proteins but it is not described as the main inactivator of thrombin.)
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Correct answer: Aorta
The structure marked X is the aorta, the large artery emerging from the left ventricle that distributes oxygenated blood to the systemic circulation.
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