Arbor vitae refers to the ________
A) gray matter in the cerebrum B) white matter in the cerebrum
C) white matter in the cerebellum D) gray matter in the cerebellum
Answer: C
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The terms anterior and ventral have opposite meanings.
Answer the following statement true (T) or false (F)
If the sodium-potassium pumps in the plasma membrane fail to function, all of the following occur except
A) the intracellular concentration of potassium ions will increase. B) the neuron will slowly depolarize. C) the membrane will slowly lose its capacity to generate action potentials. D) the inside of the membrane will have a resting membrane potential that is more positive than normal. E) the intracellular concentration of sodium ions will increase.
Match the component of the cytoskeleton with its characteristics: These thinnest members of the cytoskeleton are composed of strands of actin protein.
A)Intermediate filaments B)Microfilaments C)None of the listed responses is correct. D)Microtubules
Alveolar ventilation refers to the
A) movement of air into and out of the lungs. B) movement of air into and out of the alveoli. C) movement of dissolved gases from the alveoli to the blood. D) movement of dissolved gases from the blood to the alveoli. E) utilization of oxygen by alveolar cells to support metabolism.