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Wk14.Physiology.PAS

QuestionAnswer
Severe depression can be caused by a deficit in certain brain synapses of: Amines
The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are): Enkephalins
The only ion(s) that can diffuse across a neuron’s membrane when the neuron is at rest is (are): Potassium
A child was frightened by a large dog. The pupils of the child’s eyes became dilated, and the heart and respiratory rates increased. These symptoms were caused by stimulation of: The Sympathetic Nervous System
Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate. Vagus
The cerebellum acts with the _____ to produce skilled movement Cerebrum
Clearness or sharpness of visual perception is known as: Visual Acuity
The olfactory tract carries impulses associated with: Smell
In comparison with the nervous system, the regulatory effects of the endocrine system are: Slow to appear but long lasting.
_____ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
A decrease in the amount of white blood cells is called Leukopenia
The mechanisms of which three hormones work together to regulate blood volume? Aldosterone, ANH, and ADH
Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? Spleen
The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are Innate and Adaptive Immunity
Which protein interferes with the ability of viruses to cause disease? Interferon
The lymphatic system serves various functions in the body. The two most important functions of this system are Fluid balance and Immunity
By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood’s hemoglobin has united with oxygen? 97%
When the pressure in the lung is greater than atmospheric pressure: Expiration Occurs
The vital capacity is equal to the sum of the: Inspiratory Reserve Volume, Tidal Volume, and Expiratory Reserve Volume.
The hormone that stimulates the release of bicarbonate substance from the pancreas is: Secretin
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: Gastric Inhibitory Peptide.
Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus? Oropharynx
The process of swallowing is known as: Deglutition
Created by: phillip_sison
 

 



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