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PDF Download FREE ANATOMY AND STUDY GAMES ABOUT A&P - CH 24
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -511 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: as food fuels oxidized, their energy is transferred from one molecule to another, and ultimately to __ to form __ __
Answer:
ADP; energy-rich ATP
Question 2: nearly all energy derived from food stuffs is
Answer:
eventually converted to heat
Question 3: excess metabolites will be transformed into fat when
Answer:
anabolism exceeds catabolism Question 4: oxidized substances lose energy & reduced substances gain energy as energy-rich electrons are transferred from one substance to the next
Answer:
key of redox reactions
Question 5: oxidative phosphorylation is coupled to
Answer:
chemiosmosis
Question 6: use triglycerides as primary energy source
Answer:
adipose, skeletal & cardiac muscle, & liver cells
Question 7: liver produces about 85% of __ __ regardless of dietary intake
Answer:
blood cholesterol Question 8: major catabolic pathway of stage 2 of processing of energy-containing nutrients is
Answer:
glycolysis
Question 9: inner membrane of the mitochondrion contains
Answer:
integral proteins necessary for electron transport
Question 10: glucose is pivotal fuel molecule in __ pathways
Answer:
ATP-producing
Question 11: catalyze redox reactions in which hydrogen are removed
Answer:
dehydrogenases
Question 12: oxidation of food fuels is __ part of chemiosmotic
Answer:
chemi
Question 13: vitamin B1 (thiamine)
Answer:
acts as coenzyme in carbohydrate metabolism; required to transform pyruvic acid to acetyl CoA; oxidation of alcohol Question 14: increased use of noncarbohydrate fuel molecules, especially triglycerides, to conserve glucose
Answer:
glucose sparing
Question 15: docking of LDL to LDL receptor triggers __ __ of entire particle
Answer:
receptor-mediated endocytosis
Question 16: triglycerides aka
Answer:
neutral fats or triacylglycerols Question 17: an important energy source for skeletal muscles that have depleted their own glycogen reserves
Answer:
liver glycogen
Question 18: during postabsorptive state glucagon is considered __ __
Answer:
hyperglycemic hormone
Question 19: glucose enters tissue cells by
Answer:
facilitated diffusion
Question 20: fermentation occurs when
Answer:
oxygen is NOT available
Question 21: once triglycerides are unloaded from liver to peripheral tissues VLDL residues are
Answer:
converted to LDLs Question 22: biotransformation function of liver includes metabolism of alcohol & drugs by performing __ __ that may result in products which are more active, changed in activity, or less active
Answer:
nonsynthetic reactions Question 23: in oxidation of food fuels, molecular oxygen combines with removed hydrogen atoms at very __ of process, to form __
Answer:
end; water Question 24: result of oxidation of food fuels, where there is step-by-step removal of pairs of hydrogen atoms from substrate molecules, eventually leaves only
Answer:
carbon dioxide CO2 Question 25: energy yield from __ __ is twice that from glucose or protein catabolism
Answer:
fat catabolism
Question 26: fatty deposits in adipose tissue provide __ __ around body organs
Answer:
protective cushion
Question 27: important structural material of body in skin protein
Answer:
keratin Question 28: during transition phase, from absorptive to post absorptive state, __ begins in adipose tissues & released __ __ are picked up by tissue cells & oxidized for energy
Answer:
lipolysis; fatty acids
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