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Ch 17

Body Temperature and Metabolism

QuestionAnswer
In a cold environment, the arterioles in the dermis will ______ in order to _______ heat. constrict; conserve
In a warm environment, the arterioles in the dermis will ______ in order to ______ heat. dilate; release
Vasoconstriction in the dermis will ______ the loss of heat. decrease
Vasodilation in the dermis will ________ the loss of heat. increase
Vasoconstriction in the dermis will ______ the flow of blood near the body surface and thereby ______ the loss of heat. decrease; decrease
The substance that cases a fever is called a ______. pyrogen
Two factors that will increase metabolic rate are _______ and ________. exercise; stress
A tall, thin person has a ______ metabolic rate that does a short, stocky person. higher
A young child has a _______ metabolic rate that does an elderly person. higher
_______ is directly necessary for cell respiration Riboflavin
________ must come from diet. Essential amino acids
________ layer in the stomach layers is responsible for sympathetic impulses which decrease contractions. External
External layer in the layers of the stomach is responsible for __________ impulses which _______ contractions. sympathetic impulses; decrease
________ is a chemical produced by the parietal cells of the gastric mucosa. Intrinsic factor
Intrinsic factor is necessary for the absorption of _______. Vitamin B12
During expiration, surfactant ______ surface tension. reduces
Changes is body temperature affect the __________. basil metabolic rate
A _______ increases the metabolic rate and more heat is produced. fever
Food intake increases the activity of the digestive organs and ________ heat production. increases
Created by: lins0730
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