Which diagnostic test uses a lighted endoscope to visualize the rectum?
A. Sigmoidoscopy
B. Proctoscopy
C. Colonoscopy
D. Laparoscopy
Answer: B
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What is the purpose of the sperm's tail?
A. To contain mitochondria that supply ATP to energize the tail B. To house the sperm's chromosomes C. To propel the sperm D. To contain enzymes that are used to penetrate an egg
Erection of the penis is caused by
A) erectile tissues that become engorged with blood. B) the penis filling with the semen to be ejaculated. C) contraction of the longitudinal muscles. D) protrusion of the os penis, the penis bone. E) None of the answers are correct.
Interstitial growth of cartilage increases its ________ and occurs in the ________ region of the cartilage.
A. width; peripheral B. length; internal C. width; internal D. length; peripheral
Which hormones are secreted by the ovary? select all that apply.
a) inhibin b) growth hormone c) follicle stimulating hormone d) progesterone e) estradiol