What does "pH" measure?
a. The percentage of potassium in the extracellular fluid
b. The amount of phosphorus in the intracellular fluid
c. The relative amount of acidity based on hydrogen ions
d. The energy producing ability of a cell
e. The percentage of water in the interstitial fluid
c
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The movement of solutes or water through epithelial cells is called __________ transport
Fill in the blank with the correct word.
Cells in a lymph node that engulf and destroy damaged cells, foreign substances, and
cellular debris are A) lymphocytes. B) cytokines. C) macrophages. D) mast cells.
Peripheral resistance:
A. increases as blood viscosity increases B. decreases as blood viscosity increases C. increases with increased blood vessel diameter D. is higher in arteries than capillaries E. decreases with increasing blood vessel length
At the base of each cilium is a structure called the
A. kinetochore. B. basal body. C. dynein arm. D. centrosome. E. None of these choices is correct.