Which of the following is consistent with homeostasis?
as body temperature rises, sweating occurs to cool the body
after drinking large amounts of water, urine output decreases to raise blood volume
decreases in blood pressure cause a corresponding decrease in heart rate
as blood pressure falls, blood flow to the heart decreases
The Correct Answer is A
A. As body temperature rises, sweating occurs to cool the body:
An example of negative feedback, where the body counters a change to restore normal state.
B. After drinking large amounts of water, urine output decreases to raise blood volume:
Urine output would actually increase to excrete the excess water and maintain volume.
C. Decreases in blood pressure cause a corresponding decrease in heart rate:
A decrease in blood pressure should cause the heart rate to increase (compensatory response).
D. As blood pressure falls, blood flow to the heart decreases:
The body usually increases heart rate and vasoconstriction to maintain cardiac output.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. homozygous recessive: That would be written as ww - both alleles being recessive.
B. homozygous dominant: WW means both alleles are dominant-this is homozygous dominant.
C. heterozygous dominant: That would be Ww-one dominant and one recessive allele.
D. heterozygous recessive: There is no such term; heterozygous always means one dominant and one recessive.
Correct Answer is B
Explanation
A. 2, 1, 4, 3, 5:
Incorrect order; places tissue before cellular level, which is biologically inaccurate.
B. 2, 4, 1, 5, 3:
Chemical (atoms and molecules) → Cellular (basic units of life) → Tissue (groups of similar cells) → Organ (structure of multiple tissues) → Organ System (group of organs working together).
C. 2, 1, 4, 5, 3:
Tissue comes before cell, which is anatomically incorrect.
D. 4, 1, 2, 5, 3:
Begins at cellular, skipping the chemical level, and misorders early levels.
E. 4, 1, 2, 3, 5:
Starts too late and ends with the organ instead of the organ system.
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