During platelet plug formation, platelets begin to stick to
A. collagen with the assistance of von Willebrand factor.
B. collagen with the assistance of prothrombin.
C. prostacyclin with the assistance of activated factor V.
D. prostacyclin with the assistance of thromboxane A2.
E. proconvertin with the assistance of factor IX.
A
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Lymph drains from a lymph node via ________
A) efferent lymphatic vessels B) afferent lymphatic vessels C) the cortical sinus D) None of the listed responses is correct.
The muscular activity that forcibly expulses the fetus from the uterus is called ________.
A) development B) labor C) parturition D) placental expulsion E) None of the answers are correct.
In anatomic position, the radius lies ________ to the ulna.
A. posterior B. inferior C. superior D. medial E. lateral
Predict what might happen to peripheral resistance in arterioles supplying skeletal muscle when pH levels drop.
A. Vasoconstriction in vessels supplying skeletal muscle B. Vasodilation in vessels supplying digestive viscera C. Vasodilation in vessels supplying skeletal muscle D. No change in the skeletal muscle vessels