What is renal clearance used to estimate?
A) glomerular filtration rate (GFR) B) glomerular hydrostatic pressure (GHP)
C) net filtration pressure (NFP) D) countercurrent exchange
Answer: A
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What would happen if more than one sperm penetrated a secondary oocyte, an event termed polyspermy?
A. Identical twins would result. B. The extra sperm would most likely fertilize one of the polar bodies. C. This never happens due to genetic controls. D. The resulting zygote would not develop. E. The sperm with the most advanced chromosomes would merge with the female nucleus.
Which organ is the only organ connected to the anterior body wall by a mesentery in the adult?
A) liver B) transverse colon C) stomach D) small intestine
The first secretion from the breasts is a milky fluid rich in protein and antibodies called
A. prolactin. B. oxytocin. C. estrogen. D. colostrum.
How many bones make up the adult spinal column?
A. 31 B. 26 C. 22 D. 20