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Ch 20 Metabolism

Metabolism, Nutrition, and Body Temp

What are the two types of activities that make up metabolism? Catabolism, the breakdown of compounds into smaller simpler components, and anabolism, the building of simple compounds into needed substances.
What name is given to the series of cellular reactions that releases energy from nutrients? Cellular respiration
What is the organic end product of glycolysis? Pyruvic acid
What element is required for aerobic cellular respiration but not for glycolysis? Oxygen
What is removed from amino acids before they are metabolized for energy? Nitrogen
What is the term for how rapidly a food raises the blood glucose level? Glycemic index
What is meant when an amino acid or a fatty acid is described as essential? It cannot be made metabolically and must be taken in as part of diet.
What is the difference between saturated and unsaturated fats? Saturated fats have no double-bonded carbons and have the maximum number of hydrogen atoms possible. Unsaturated fats have one or more double bonded carbons and less than the maximum number of hydrogen atoms possible.
What is the difference between vitamins and minerals? Minerals are chemical elements, and vitamins are complex organic substances.
How much pure alcohol can the average person metabolize per hour? 1/2 oz
What condition results from lack of any specific nutrient in the diet? Malnutrition
What does the abbreviation BMI stand for? body max index
What term applies to any chronic loss of appetite? anorexia
What part of the brain is responsible for regulating body temp? hypothalamus
What does an antipyretic drug do? reduces fever
What change occurs in cutaneous blood vessels under cold conditions? Under hot conditions? cold- constrict, hot- dilate
What is the term for excessively low body temp? hypothermia
The amt of energy needed to maintain life functions while at rest is basal metabolism
Reserves of glucose are stored in liver and muscle as glycogen
The area of the brain most important for temperature regulation is the hypothalamus
The term febrile describes a person who has a fever
The removal of nitrogen groups from amino acids in metabolism is called deamination
Major energy source for the body. glucose
Chemical element required for normal body function. mineral
Complex organic substance required for normal body function. vitamin
A byproduct of fatty acid metabolism. ketone bodies
A simple fat. triglyceride
Which of the following is NOT an example of catabolism? glycogen formation
Which of the following would have the lowest glycemic effect? starch
Which organ catabolizes alcohol? liver
What is the term for a gradual decrease in a fever? lysis
Created by: Jessica Venyke



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