The vasa recta have the net effect of concentrating solutes in the interstitial fluid of the renal medulla.
Answer the following statement true (T) or false (F)
True
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Uric acid is a by-product of ________ metabolism.
A. creatine phosphate B. glucose C. amino acid D. nucleotide
Which of the statements below does not describe antigens?
A) Antigens exhibit immunogenicity and reactivity. B) Antigens only come from microbes. C) The parts of antigen molecules that initiate immune responses are called epitopes or antigenic determinants. D) Antigens can include proteins, nucleic acids, lipoproteins, glycoproteins, and certain large polysaccharides.
Increased renin secretion is NOT due to
a. granular cell activation. b. a pressure drop in the afferent arteriole. c. an increase in sympathetic nervous system activity. d. an increase in ECF volume. e. a drop in blood pressure.
Muscles can be classified based on their shape and fascicle orientation. Which shape has muscle fibers that run the length of the muscle and taper at each end?
A. Fusiform B. Pennate C. Multipennate D. Circular