Acidosis has what effect on the resting membrane potential of nerve cells?
A. It causes repolarization.
B. It causes hyperpolarization.
C. It causes depolarization above threshold.
D. It causes depolarization below threshold.
Answer: B
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Mechanisms involved in memory formation and storage involve all of the following except
A) increased release of neurotransmitters. B) anterograde amnesia. C) the formation of additional synaptic connections. D) the formation of memory engrams. E) facilitation at synapses.
It is best to allow all birds to perch on your hand for proper restraint
Indicate whether the statement is true or false
The left ventricle has walls that are thicker than the right ventricle
a. True b. False Indicate whether the statement is true or false
Which of the following is an example of endocrine regulation via a negative feedback mechanism?
A) As blood glucose levels fall, glucagon is secreted and stimulates the liver to convert glycogen to glucose. B) A stress response stimulates the sympathetic nervous system to release epinephrine into the bloodstream. C) When circulating volume is decreased, the pituitary gland secretes antidiuretic hormone into the bloodstream. D) The neural regulating mechanism decreases its signals to the adrenal medulla, decreasing epinephrine release.