Major calyces are
A) large branches of the renal pelvis.
B) expanded ends of nephrons.
C) basic functional layers of the kidney.
D) conical structures that are located in the renal medulla.
E) the expanded ends of renal pyramids.
A
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All of the synapses and neuroeffector synapses of the parasympathetic division of the ANS use the neurotransmitter ________.
Fill in the blank(s) with the appropriate word(s).
What do chemoreceptors monitor?
a. acidity b. protein or fat content of ingested food c. salt content d. osmolarity e. toxicity
The correct order of events in tissue repair, from first to last, is ________
A. regeneration, organization, and inflammation B. inflammation, regeneration, and organization C. inflammation, organization, and regeneration D. organization, inflammation, and regeneration
Alexander is a 15-year-old boy with extensive acne on his nose, forehead, and cheeks. He reached puberty at age 14, at which point his acne became more abundant in these areas. What is the anatomic basis for his acne?
a. His merocrine sweat glands have begun producing abundant amounts of sweat. b. His sebaceous gland ducts have become blocked. c. His sebaceous glands are not producing enough sebum to lubricate his skin. d. His apocrine sweat glands are producing a secretion that has a marked odor.