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Physiology Set 2

QuestionAnswer
The first event to occur when an adequate stimulus is applied to a neuron is: some of the sodium channels at the point of stimulation open
Dopamine, epinephrine, and norepinephrine are classified as: catecholamines
Severe depression can be caused by a deficit in certain brain synapses of: neuropeptides
If the ventral nerve root of a spinal nerve were destroyed, a person would lose _____ related to that pathway. willed movement
Cerebrospinal fluid circulates through the ventricles, into the central canal and _____, and is absorbed back into the blood. subarachnoid space
The receptors responsible for sensing crude and persistent touch are the: Ruffini corpuscles
When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called: permissiveness.
Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition tectorial
Blood volume per kilogram of body weight varies inversely with: body fat
What is the functional significance of large areas of cardiac muscle being electrically coupled to form a single functional syncytium? Because they form a syncytium, muscle cells can pass an action potential along a large area of the heart wall, stimulating contraction in each muscle fiber of the syncytium.
The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form effector T cells and memory cells
Antibodies are proteins of the family called immunoglobulins
If the tidal volume of a given individual is 500 ml, then the anatomical dead space is approximately _____ ml. 150
The symbol HbNCOOH– is used for: carbaminohemoglobin
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. passively out of
Glucose moves from the GI tract into the circulatory system by the process of: cotransport
Created by: bkirby97
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