PNB 2265 Exam 3 practice questions

lipoprotein lipase is unique from pancreatic lipase because...

pancreatic lipase is found in the lumen of the small intestine

glucagon is produced by...

alpha cells

insulin secretion...

is stimulated by GIP

the absence of which of the following would prevent the breakdown of EtOH into acetaldehyde?

alcohol dehydrogenase

peristalsis is an example of ____ smooth muscle contractions; segmentation is an example of ____ smooth muscle contractions

phasic; phasic

during the absorptive state, which of the following nutrients is NOT stored inside the body?

protein

peristalsis is the result of ____ relaxation and _____ contraction (relative to the bolus)

distal; proximal

T/F: in the liver, amino acids undergo beta-oxidation to form pyruvate

false

characteristics of the brush border include:

both

neurons in the brain can use ____ for energy

both

smooth muscle is inhibited (relaxed) by:

phosphate activity

which of the following vessels brings absorbed nutrients from the small intestine to the hepatocytes?

the hepatic portal vein