What vessel drains the blood from the face and scalp?
External jugular vein
Superior vena cava
Subclavian vein
Cephalic vein
The Correct Answer is A
A. External jugular vein: the external jugular drains superficial structures of the head and neck (including much of the face and scalp) and empties into the subclavian vein.
B. Superior vena cava: Incorrect (in the direct sense) -the superior vena cava is the large trunk that returns venous blood to the right atrium, but it does not directly drain the face/scalp; it receives blood ultimately via the brachiocephalic veins.
C. Subclavian vein: Partially related but not the primary answer -the subclavian receives blood from the external jugular, but it primarily drains the upper limb; it is a larger trunk rather than the direct superficial drain of face/scalp.
D. Cephalic vein: the cephalic vein is a superficial vein of the lateral upper limb (arm/forearm), not a drain of the head or face.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: Small intestine
The small intestine appears as multiple long, coiled loops in the central abdomen (jejunum/ileum) and is the principal site for nutrient absorption - the coiled tubular structures circled are characteristic of the small intestine.
Correct Answer is C
Explanation
A. Pharynx: The pharynx is the throat region (shared airway/digestive pathway), not the voice box
B. Oral cavity: The oral cavity is the mouth, not the voice box
C. Larynx: The larynx is the anatomical name for the voice box
D. Trachea: The trachea is the windpipe below the larynx, not the voice box
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