Whenever Thor gets angry, a large vein bulges in the lateral region of his neck. Which vein is this?
A) internal jugular vein
B) external jugular vein
C) common carotid vein
D) vertebral vein
E) brachiocephalic vein
Ans: B) external jugular vein
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Which of the following terms refers to paleness of the skin such as seen in patients with shock or anemia?
a) hirsutism b) pallor c) jaundice d) androgenic alopecia e) erythema
Which capillary would be least likely to allow substances to enter or exit the blood due to tight junctions that join the endothelial cells?
A) sinusoidal capillaries B) fenestrated capillaries C) continuous capillaries D) closed capillaries
A base:
a. has a pH greater than 7 b. has a pH less than 7 c. has more OH– ions than H+ ions in solution d. both A and C above
What is the major function of ribosomes?
A) produce ATP B) move through the extracellular fluid C) manufacture proteins D) reproduce themselves E) package proteins