The vertebral arteries are branches of the:
a. subclavian
b. brachocephalic
c. common carotid
d. aorta
Answer: a. subclavian
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Which of the following properties characterize fast-oxidative muscle fibers?
a. high myosin-ATPase activity b. low myosin-ATPase activity c. low oxidative capacity d. both high myosin-ATPase activity and low oxidative capacity are correct. e. both low myosin-ATPase activity and low oxidative capacity.
Which tissue forms the stroma of the spleen and thymus?
A. Adipose tissue B. Dense irregular connective tissue C. Dense regular connective tissue D. Areolar tissue E. Reticular tissue
Fibrinolysis is responsible for
A. clot dissolution. B. activation of the extrinsic pathway of coagulation. C. activation of the intrinsic pathway of coagulation. D. clot consolidation. E. clot retraction.
The prostaglandins produced in the endometrium
A) initiate the release of oxytocin for parturition. B) stimulate smooth muscle contractions. C) initiate secretory activity in the mammary glands. D) promote breast development. E) stimulate the milk let-down reflex.