Which class of disease results from the inability of the body to effectively defend itself?
A. Immune disorders
B. Cancers
C. Genetic disorders
D. Mental disorders
Answer: A
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Urine passes from the renal papilla into a
A. major calyx, then to a minor calyx, then to a ureter. B. minor calyx, then to a major calyx, then to the renal pelvis. C. ureter, then to a minor calyx, then to a major calyx. D. renal pelvis, then to a major calyx, then to a ureter. E. collecting duct, then to a minor calyx, then to a major calyx.
Nervous system centers set the normal resting rate and depth of respiration. Which factors below can alter this normal respiratory rate and depth?
A) exercise, changes in blood CO2 levels, and changes in the pH of the blood B) changes in the pH of the blood C) changes in blood CO2 levels D) exercise
Match the term with the correct definition.A. Small change in the resting membrane potential confined to a small areaB. Charge difference across the plasma membrane when the cell is in an unstimulated stateC. Larger change in resting membrane potential that spreads over entire surface of a cellD. Membrane becomes more positive when Na+ diffuse into cellE. Return to the resting membrane potentialRepolarization
Fill in the blank(s) with the appropriate word(s).
How many extrinsic eye muscles are attached to the exterior surface of each eyeball?
a. three. b. four. c. five. d. six.