Clonal selection occurs when:

A) plasma cells secrete antibodies.
B) B cells undergo rapid mitosis.
C) B cells are activated.
D) B cells differentiate into plasma cells and memory B cells.


Answer: C

Anatomy & Physiology

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An increase in afferent arteriolar diameter will result in all of the following EXCEPT:

a. Increase in glomerular blood pressure b. Increase in GFR c. Increase in urine output d. Increase in colloid osmotic pressure

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The interstitial cells of __________ are the pacesetter cells responsible for instigating cyclic slow-wave activity

Fill in the blank(s) with correct word

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In mammalian lungs gas exchange occurs

a. in the bronchioles. b. Across the surface of the type II cells. c. in the alveoli. d. the pores of Kohn. e. two of these.

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A term that describes the change in muscle following a lack of exercise is

A. hypertrophy. B. atrophy. C. convergence. D. proliferation. E. myofascia.

Anatomy & Physiology