ap marieb ch24 quiz Word Scramble
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Question | Answer |
A young athlete is admitted to the hospital with diarrhea, vomiting, bone and joint pain, hyperglycemia, and tingling sensations. What is the problem? | overdose of vitamin or mineral supplements |
Carbohydrates can be converted into nucleic acid T/F | False (amino acid true) |
Proteins are essential for production of energy T/F | False (enzymes hormones hemoglobin true) |
The amino acid pool is the body’s total supply of amino acids in the body’s proteins T/F | False |
A negative nitrogen balance occurs when protein breakdown excels protein synthesis T/F | True |
The most abundant dietary lipids in the diets of most Americans are triglycerides. T/F | True |
The body is considered to be in nitrogen balance when the amount of nitrogen ingested in lipids equals the amount excreted in urine. T/F | False (protein breakdown equals synthesis True) |
The body requires adequate supplies of only three minerals (calcium, sodium, chloride) and trace amounts of all others. T/F | False (several minerals) |
A deficit of potassium can cause rickets. T/F | False (calcium True) |
______ is a Ten-step enzymatically driven process that converts glucose into pyruvic acid | glycolysis |
Small amounts of ATP are formed by _____ | Substrate level phosphorylation |
During glucose oxidation, pyruvic acid decomposes to CO2 in the ______ | Kreb’s cycle |
The _______ produces the most ATP generation during cellular respiration and requires oxygen | electron transport chain |
Anabolism includes reactions in which ________. | larger molecule |
Oxidation reduction reactions may involve the loss of hydrogen and electrons T/F | True |
In the electron transport chain, ATP is formed by _________ | oxidative phosphorylation |
Lipogenesis occurs when ATP and glucose levels are low T/F | False |
Gluconeogenesis is the process in which ________. | glucose is formed from noncarbohydrate precursors |
In gluconeogenesis, during the postabsorptive state, amino acids and ________ are converted to glucose. | clycerol |
Proteins yield the highest amount of energy per gram when metabolized T/F | False (fats True) |
Glycolysis relies on substrate-level oxidation for the four ATP produced in this pathway. T/F | False |
Most of the ATP are produced by substrate-level phosphorylation. T/F | False |
Most ATP from cellular respiration are produced directly in the Krebs cycle. T/F | False |
Oxidation of FADH2 eventually yields four ATP via oxidative phosphorylation. T/F | True |
The process of splitting glucose through a series of steps that produces two pyruvic acid molecules is called ________. | glycolysis |
Glycolysis is a series of six chemical steps, most of which take place in the mitochondria. T/F | False (10 true) |
Glycolysis is a series of six chemical steps, most of which take place in the mitochondria. T/F | false (little protein) |
arbohydrate and fat pools are oxidized directly to produce cellular energy, but amino acid pools must first be converted to a carbohydrate intermediate before being sent through cellular respiration pathways. T/F | True |
Glycogen is formed in the liver during the ________. | absorptive state |
As the body progresses from the absorptive to the postabsorptive state, only the ________ continues to burn glucose while every other organ in the body mostly switches to fatty acids. | Brain |
Absorption of glucose from the GI tract is a source of glucose during the postabsorptive state T/F | False |
The omega-3 fatty acids have a powerful antiarrhythmic effect on the heart and also make blood platelets less sticky, thus helping to prevent spontaneous clotting, and they lower blood pressure. T/F | True |
Chopping wood on a hot but breezy afternoon, John stumbled into the house and immediately fainted. His T-shirt was wringing wet with perspiration, pulse was faint and rapid. heat stroke or heat exhaustion? What should you do to help John's recovery? | Heat exhaustion. To help his recovery, he should be given fluid and electrolyte replacement therapy and should be cooled down. |
Vasoconstriction of peripheral blood vessels is a heat loss mechanism T/F | False (dilation true) |
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hkrawietz
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