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":"A"}
Explanation
Correct answer: Right lung
The right lung occupies the right side of the thoracic cavity, is typically larger and divided into three lobes (superior, middle, inferior), and in the image the circled pulmonary tissue on the subject’s right side corresponds to the right lung.
Correct Answer is B
Explanation
A. Fibrinogen, globulins, and albumin: those are plasma proteins, not electrolytes (they’re large molecules, not ions).
B. Bicarbonate, magnesium, chloride, and potassium ions: these are ions dissolved in plasma and are classically considered electrolytes.
C. Monocytes, basophils, and eosinophils: those are white blood cells (formed elements), not electrolytes.
D. Creatinine, urea, and uric acid: those are nitrogenous waste/metabolites present in plasma, not electrolytes.
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