Which of the following represents a mismatch in stomach wall structure?
A. muscularis - two layers; both circular
B. rugae - folds of mucosa and submucosa
C. mucosa - gastric glands
D. gastric pits - open onto surface of stomach mucosa
E. lining - simple columnar epithelium
A
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The cardiac notch
A. is on the medial aspect of the right lung. B. is on the medial aspect of the left lung. C. is a notch on the heart where the coronary arteries originate. D. is where the pulmonary trunk rests on the heart.
Since insulin released from the pancreas is carried in the bloodstream to distant target cells, like muscle cells, it is considered to be a(n)
a) local hormone. b) circulating hormone. c) paracrine. d) autocrine. e) neurotransmitter.
All of the inherited traits possessed by offspring are established at the time of fertilization.?
Indicate whether the statement is true or false
According to the National Spinal Cord Injury Database, MOST spinal cord injuries are caused by:
A) acts of violence. B) athletic activities. C) falls in the elderly. D) motor vehicle crashes.