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A&P

Weeks 7-13

QuestionAnswer
Which membrane receptor acts to directly change ion permeability when stimulated? Gated-channel receptor
A synapse can occur only between an axon and: Any of these: a cell body, dendrite and another axon
A neurologist is using a voltmeter to measure potential. The membrane potential of a neuron was recorded at +30 mV. This is what type of membrane potential? Action
The sodium-potassium pump actively pumps three potassium ions out of the neuron and two sodium ions into the neuron. This is false
In depolarization the membrane potential moves toward zero, whereas in hyperpolarization the membrane potential moves away from zero. True
What are used by the body as a neurotransmitter? Nitric oxide, Acetylcholine, Carbon monoxide are all used as neurotransmitters
During a relative refractory period: the action potential can be initiated with a strong stimulus.
What is a widely distributed inhibitory neurotransmitter in the spinal cord. Glycine
During the absolute refractory period No impluse can be sent through a neuron
If the dorsal root ganglia of the spinal nerve were destroyed, a person would lose _____ related to that pathway. sensory perception
Impulses sent over which of the following tracts could result in voluntary movement, especially of the hands, fingers, feet, and toes of the opposite side? Lateral corticospinal
Which of the following is not true of the knee jerk reflex? It is a flexor reflex.
If the ventral nerve root of a spinal nerve were destroyed, a person would lose _____ related to that pathway. willed movement
Tic douloureux is a painful neuralgia of the _____ nerve. trigeminal
Which of the following statements is not true of the pineal gland? Melatonin is stimulated by the presence of sunlight.
Spirometry is used to measure all of the following TLC-Total Lung Capacity
What are means of transporting oxygen in the blood? As oxyhemoglobin, combined with the bicarbonate ion (HCO3–) and dissolved in the plasma
Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. Digestive
Created by: katcabael
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