Pulsate secretion of growth hormone is descriptive of or occurs during
A. slow-wave sleep.
B. paradoxical sleep.
C. both slow-wave sleep and paradoxical sleep.
D. neither slow-wave sleep nor paradoxical sleep.
A
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Which is not correct regarding the juxtaglomerular apparatus?
A. The macula densa cells monitor electrolyte concentrations in tubular fluid. B. Renin activates the renin-angiotensin pathway, resulting in aldosterone production. C. The juxtaglomerular cells are modified smooth muscle cells of the efferent arteriole. D. The macula densa cells are modified epithelial cells of the distal convoluted tubule. E. The juxtaglomerular cells release renin.
Peristalsis mixes food in small segments of the alimentary canal with digestive enzymes.
Answer the following statement true (T) or false (F)
The group of organic compounds containing mostly carbon and hydrogen with small amounts of oxygen is defined as a
A) carbohydrate. B) lipid. C) protein. D) nucleic acid. E) fatty acid.
Which hormone is necessary for the growth of endometrial glands which are important for the sustenance of a growing embryo until its implantation?
A) luteinizing hormone (LH) B) testosterone C) progesterone D) inhibin E) follicle-stimulating hormone (FSH)