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Exam 7: Metabolism: Transformations and Interactions

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Question 61

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Describe the 2 major pathways for metabolism of alcohol in the liver. How does the liver adapt when forced to metabolize high quantities of alcohol on a daily basis?

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Question 62

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Which of the following distinguishes aerobic metabolism from anaerobic metabolism?

A) Little or no oxygen is consumed.
B) Lactic acid is a major byproduct.
C) Energy is produced more slowly.
D) It yields energy for only short periods.

E) B) and D)
F) All of the above

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Question 63

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Approximately what percentage of alcohol in the body is eliminated via the urine and breath?

Which of the following accounts for the higher energy density of a fatty acid compared with the other energy-yielding nutrients?

A person is observed to have fruity odour on their breath. Which of the following states is the most likely explanation?

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A coenzyme required for metabolism of alcohol

Which of the following dietary nutrients would most rapidly reverse a state of ketosis in a starving person?

Which of the following functions is (are) first to be affected when a person begins to drink alcohol?

The Cori cycle involves the interconversion of which of the following pairs?

Which of these is the immediate fate of excess dietary protein in the body?

What minimum concentration of alcohol in the blood is usually fatal?

What type of diet is associated with the development of ketosis?

Discuss ways in which the body's metabolism adapts to conditions of fasting/starvation. How do these adaptations affect the rate of weight loss when a person follows a low-kcalorie diet?

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Approximately what percentage of all Canadians who consume alcohol would be considered heavy drinkers?

Binge drinking is defined as the consumption of how many ethanol-containing drinks within a couple of hours?

In which of the following groups can all of the compounds serve as a precursor for oxaloacetate synthesis?

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A product of glycolysis

Which of the following reactions is the body's first response to the absorption of abundant amounts of carbohydrate?

Which of these organs is first to absorb alcohol after a person takes a drink?