In certain kinds of muscle cells, calcium ions are stored in ________
A) the cytoplasm
B) both smooth and rough ER
C) the smooth ER
D) the rough ER
C
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Which of the following descriptions best matches the function of platelets?
A) adhere to collagen beneath endothelium B) helper cells are one type C) produce antibodies in response to antigens D) kill bacteria using hydrogen peroxide E) often elevated in allergic individuals
Proteins that are recaptured from tubular fluid are transported into the luminal membrane by way of
A. diffusion. B. primary active transport with a protein pump. C. secondary active transport with a symporter. D. facilitated diffusion with a carrier. E. pinocytosis.
Sodium, calcium, and bicarbonate are all described as plasma
A. proteins. B. electrolytes. C. solvents. D. formed elements. E. nutrients.
Which of the cortical areas listed below is most likely to be stimulated first when repeating a word you just heard spoken?
A. Broca area B. Primary auditory cortex C. Auditory association area D. Wernicke area E. Primary motor area