Muscle and nerve tissues produce electrical impulses called ________
A) action potentials
B) neurotransmitters
C) depolarization
D) repolarization
A
Explanation:
B) Neurotransmitters are produced and released by nerves to communicate with other tissues.
C) Depolarization may result in response to an electrical impulse.
D) Repolarization occurs after a cell depolarizes.
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Neurohypophyseal secretion of ________ stimulates formation of concentrated urine.
A. angiotensin I B. renin C. antidiuretic hormone D. aldosterone
The second thoracic spinal nerve exits the spinal column through the
A. vertebral canal of vertebrae T1, T2, and T3. B. intervertebral foramen between vertebrae T1 and T2. C. sacral hiatus. D. intervertebral foramen between vertebrae T2 and T3.
The beginning of labor involves increased production of ________ from the fetal hypothalamus, resulting in secretion of ________ by the placenta.
A. prostaglandin; prolactin B. prolactin; GnRH C. oxytocin; prostaglandins D. prolactin; oxytocin E. GnRH; prolactin
A patient with an inability to write or to generate meaningful speech, even though he can understand requests and make sounds, most likely has a lesion in the:
A. left frontal lobe B. right frontal lobe C. left temporal lobe D. right temporal lobe E. left parietal lobe