What hormone(s) is/are secreted from the corpus luteum?
a. FSH
b. estrogen
c. progesterone
d. all of these
e. Both b and c
E
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NK cells use ________ to lyse abnormal cells
A) pyrogen B) perforin C) interferon D) complement E) phagocytosis
Oxygen and carbon dioxiode are transported between the blood and interstitial fluid by way of
A. exocytosis and endocytosis by endothelial cells. B. pinocytosis using fluid-filled vesicles. C. diffusion from areas of higher concentration to lower concentration. D. active transport (using ATP) by protein carriers of endothelial cells.
The venom of certain snakes contains substances that activate factors V, IX, and X. Which of the following effects would occur if exposed to human blood?
a) Venom would increase thrombolysis b) Venom would decrease thrombolysis c) Venom would increase platelet plug formation d) Venom would increase coagulation
An accessory organ of the male reproductive system is the:
a. penis b. testes c. vas deferens d. scrotum