Why is profuse sweating on a hot day good, and yet a potential problem?
What will be an ideal response?
Good because the sweat and evaporating of the sweat causes cooling of the body. Bad because excessive water and salt loss may occur. Fluid and electrolyte imbalances may follow.
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Cirrhosis is a virus that damages the liver
Indicate whether the statement is true or false.
Which portion of the brain adjusts skeletal muscle activity to maintain equilibrium and posture?
A. Pons B. Medulla oblongata C. Cerebrum D. Cerebellum E. Epithalamus
The ventral root of a spinal nerve carries which component of a reflex arc?
A. Efferent fibers B. Afferent fibers C. The integration center D. Somatic receptors
What is a chronotropic factor?
A. Anything that changes the heart rate B. The cardiac inhibitory center that uses parasympathetic neurons of the vagus nerve to keep the SA node at 70?80 beats/minute C. The cardiac accelerator center that uses sympathetic neurons to stimulate the SA and AV nodes to speed up the heart rate D. All of the answers are correct.