Glands are formed during embryonic development by pockets of epithelial tissue that dip inward from the surface
Indicate whether the statement is true or false
T
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If an individual was lacking a key amino acid and so couldn't make and release substance P, what would happen?
A. There would be a surge in activity in neurons that synthesize opiate neurotransmitters. B. There would be increasing sensation of pain generated by the brain, with or without any damage to structures in the periphery. C. They would experience a lack of sensation in some pain pathways. D. There would be an increase in activity in neurons that detect painful stimuli in internal organs. E. Synaptic activity in afferent neurons associated with pain receptors can be inhibited by axon-axon synapses with neurons from descending pathways.
A moderately obese 55-year-old woman wishes to start an exercise program. She seeks your advice prior to beginning this program, and you recommend that she have a treadmill stress test. Which of the following is incorrect pertaining to this test?
A) The impulses generated by her SA node will be monitored. B) Blood pressure will be monitored. C) Pulse rate will be monitored. D) Treadmill speed will be increased during the progression of the test. E) The results of the test show the minimal heart rate the patient should strive for while exercising.
Renin converts
A. angiotensin I to angiotensin II. B. angiotensin II to angiotensin I. C. angiotensinogen to angiotensin I. D. angiotensin II to angiotensin III. E. angiotensinogen to angiotensin II.
The gastroesophageal sphincter is normally closed to prevent
a. air from entering the esophagus during breathing b. gastric contents from refluxing into the esophagus c. vomiting d. esophageal leaking into the stomach e. food from entering the pharynx