Which of the following would lead to relaxation of the precapillary sphincter?
A. Decreased tissue metabolism
B. Decreased lactate production by cells in the capillary bed
C. Decreased CO2 concentration in the capillary bed
D. Decreased nitric acid levels
E. Decreased O2 levels in tissue cells served by the capillary
Answer: E
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An alternative term for the visceral layer of the serous pericardium is ____________________.
Fill in the blank(s) with the appropriate word(s).
The detrusor muscle
A) moves urine along the ureters by peristalsis. B) compresses the urinary bladder and expels urine through the urethra. C) functions as the internal urinary sphincter. D) functions as the external urinary sphincter. E) surrounds the renal pelvis.
Megadoses of vitamin supplements may have serious consequences. Extreme excess of which vitamin group, water or fat soluble, is most likely to cause serious health problems, and why?
What will be an ideal response
The proper sequence that describes the ovarian cycle involves the formation of __________.
a. primary follicles, secondary follicles, tertiary follicles, and ovulation, followed by the formation and destruction of the corpus luteum b. primary and tertiary follicles, secondary follicles, and ovulation, followed by the formation and destruction of the corpus luteum c. corpus luteum, primary follicles, secondary follicles, tertiary follicles, and ovulation d. primary follicles, secondary follicles, tertiary follicles, corpus luteum, and ovulation