Carbonic anhydrase catalyzes the reaction of carbon dioxide and water to form ________.
A. bicarbonate and hydrogen ions
B. carbaminohemoglobin
C. bicarbonate ions
D. carbonic acid
Answer: D
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A light skinned person who is very cold may have a pale appearance. Which of the following is the best explanation for why this might be so?
A) The cold has slowed the movement of blood. B) The person's blood vessels in the dermis have undergone vasoconstriction (narrowing). C) The person is in fear of hypothermia (sever cold exposure). D) The person's blood vessels in the epidermis have undergone vasodilation (widening).
A decrease in blood-colloid osmotic pressure will decrease ultrafiltration and increase reabsorption at the capillary level
Indicate whether the statement is true or false
A friend lifts weights for several months, and his muscles visibly increase in size. He also has calluses on his palms from the barbells. The increase in muscle size is due to ________, while the calluses are due to ________.
A. hypertrophy; atrophy B. hypertrophy; hyperplasia C. dysplasia; hypertrophy D. anaplasia; hyperplasia
In most cases, the general interpretive center and the speech center are located in the
A) left cerebellar hemisphere. B) left cerebral hemisphere. C) right cerebellar hemisphere. D) right cerebral hemisphere. E) thalamus.