A normal Q-T interval is ________
A) 0.32-0.38 sec when heart rate is 70 beats/min
B) 0.16-0.18 sec when the heart rate is 60 beats/min
C) 0.08 sec when the heart rate is 50 beats/min
D) 1.0-2.0 sec when heart rate is 80 beats/min
Answer: A
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Interstitial fluid has a relatively _______ concentration of sodium and chloride; the concentrations of ions within the interstitial fluid and blood plasma are very ______
A. high; similar B. high; different C. low; similar D. low; different
The ________ muscle is located in the urinary bladder
A) corpus spongiosum B) corpus cavernosum C) pubococcygeus D) distractor E) detrusor
The glomerular filtrate in the proximal convoluted tubule is isotonic to the plasma of the peritubular capillary.
Answer the following statement true (T) or false (F)
Denervated muscle fibers become progressively smaller and their content of actin and myosin decreases
Indicate whether the statement is true or false