In the testes, the sustentacular (sertoli) cells secrete _____, and the interstitial cells secrete _____.
a. inhibin and progesterone; testosterone
b. progesterone; testosterone and inhibin
c. inhibin; testosterone
d. estrogen; testosterone
e. testosterone; inhibin
Answer: c. inhibin; testosterone
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____________ is a pulmonary function test that measures a patient's respiratory volumes.
a. Arterial blood gas b. Spirometry c. A sputum test d. RAST test e. Angiography
Atrial natriuretic peptide increases aldosterone secretion.
A) adrenaline. B) erythropoietin. C) angiotensin. D) atrial natriuretic peptide. E) cortisol.
Which of the following is/are innervated by the phrenic nerve?
a. abdominal muscles b. diaphragm c. external intercostal muscles d. internal intercostal muscles e. accessory inspiratory muscles
Don’t you think it’s curious that the dentist will inject deep in your mouth (at the posterior aspect of the mandible) to deaden your mandibular incisors? Why would he or she do that?
What will be an ideal response?