An increase in which of the following is a result of stimulation of the sympathetic nervous system?
Peristalsis
Bladder tone
Heart rate
Saliva
The Correct Answer is C
A. Peristalsis, the wave-like contraction of the digestive tract, is typically decreased during sympathetic stimulation. The sympathetic nervous system tends to slow digestive processes as the body prioritizes "fight-or-flight" responses.
B. Bladder tone is typically decreased by sympathetic stimulation. The sympathetic nervous system causes relaxation of the bladder, inhibiting urination during stressful situations.
C. Heart rate increases with sympathetic stimulation. The sympathetic nervous system prepares the body for action by increasing heart rate, enhancing blood flow to muscles, and increasing energy levels.
D. Saliva production decreases with sympathetic stimulation. The body reduces non-essential functions such as salivation during stress, focusing energy on immediate survival functions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The larynx, also known as the voice box, contains the vocal cords. The vocal cords vibrate to produce sound when air passes through them, allowing for speech and other vocalizations.
B. The pharynx is the passageway that connects the mouth and nose to the larynx and esophagus. It does not contain the vocal cords.
C. The trachea is the windpipe that conducts air to and from the lungs. It does not contain the vocal cords but is located just below the larynx.
D. The epiglottis is a flap of tissue that covers the opening of the larynx during swallowing to prevent food from entering the airway. It does not contain the vocal cords
Correct Answer is D
Explanation
A. The transverse colon is where feces travels after the ascending colon, moving from right to left across the abdomen. Feces does not move directly from the cecum to the transverse colon.
B. The descending colon is the part of the colon that runs down the left side of the abdomen. Feces moves into this section after passing through the transverse colon, not directly after the cecum.
C. The sigmoid colon is the final section of the colon before the rectum. Feces travels here after the descending colon, not immediately after the cecum.
D. The ascending colon is the section of the colon that feces travels through immediately after the cecum. It moves upward on the right side of the abdomen before passing into the transverse colon.
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