Which part of the PNS prepares the body for physical activity or fight or flight?
A. Somatomotor
B. Sympathetic
C. Parasympathetic
D. Autonomic
Answer: B
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Cells of the adrenal medulla are closely associated with preganglionic fibers of the parasympathetic division of the autonomic nervous system.
Answer the following statement true (T) or false (F)
Which of the following would NOT be included in a treatment program for vaginismus?
a. Contraceptive creams b. Relaxation exercises c. Manual stimulation d. Insertion of fingers or dilators
When a person is exposed to painfully cold temperatures, why do the fingertips, toes, nose, and ear pinnae often respond to the pain before other body regions?
A) Their greater surface area to volume ratio causes them to lose heat faster. B) Their thermoreceptors have a lower threshold of sensitivity to cold. C) These are the only regions of the body with receptors for cold. D) All of the answers are correct. E) None of the answers are correct.
When the ribosome reaches a stop codon, its A site binds a protein called a release factor instead of a tRNA. the release factor causes the finished protein to break away from the ribosome. which step of translation does this describe?
a) elongation b) transcription c) termination d) initiation