Describe the lung borders and landmarks
What will be an ideal response?
The curving anterior and inferior borders follow the contours of the rib cage. The apex of each lung extends superiorly to the first rib and the base of each lung rests on the superior surface of the diaphragm.
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What will happen if a normal cell is placed in a hypotonic solution?
A. The result can't be predicted. B. It will swell in size. C. It will stay the same size. D. It will shrink in size.
GnRH
a. stimulates both FSH and LH secretion. b. is inhibited by testosterone. c. has low-level activity during the prepubertal period. d. both stimulates both FSH and LH secretion and is inhibited by testosterone. e. all of these answers.
The crown of a tooth is covered by
A) enamel. B) cement. C) dentin. D) pulp. E) periodontium.
What is the purpose of the sperm's midpiece?
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