What is the main muscle of inspiration?
A. Transversus abdominis
B. Diaphragm
C. Internal intercostal
D. External intercostal
Ans: B. Diaphragm
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What is the role of NADH in metabolism?
A) convert pyruvic acid into acetyl-coA B) produce bicarbonate ions for a pH buffer C) transport hydrogen atoms to coenzymes D) produce carbon dioxide E) phosphorylate ADP into ATP
Which region of the adrenal cortex secretes aldosterone?
A) zona glomerulosa B) zona fasciculata C) zona reticularis D) None of the listed responses is correct.
Which nervous system controls the migrating motor complex of the small intestine?
A) sympathetic nervous system B) enteric nervous system C) somatic nervous system D) central nervous system
A brush border of microvilli is found in ________ epithelium, which can be found lining the ________.
A. simple cuboidal; esophagus B. pseudostratified; nasal cavity C. simple columnar; small intestine D. stratified squamous; anal canal E. stratified squamous; esophagus