Wgu Home Thesis

Topics: Feedback, Nervous system, Positive feedback Pages: 10 (1459 words) Published: December 28, 2012
Homeostasis

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

|Substance |In Bowman's Capsule |In Urine | |X |0.1 g/L |0.1 g/L | |Y |0.1 g/L |1.0 g/L | |Z |0.1 g/L |0.0 g/L |

1.The above table shows the results of an experiment on the functioning of a mammalian kidney. The following item is based on an analysis of the data. Substance X was likely |a. |reabsorbed in the tubules | |b. |not reabsorbed and not secreted by tubule cells | |c. |reabsorbed in the tubules and secreted by tubule cells | |d. |secreted by tubule cells and not filtered through the glomerulus | |e. |reabsorbed in the tubules and not secreted by tubule cells |

2.The above table shows the results of an experiment on the functioning of a mammalian kidney. The following item is based on an analysis of the data. Substance Y was likely |a. |reabsorbed in the tubules | |b. |not reabsorbed, and secreted by tubule cells | |c. |reabsorbed in the tubules and secreted by tubule cells | |d. |secreted by tubule cells and not filtered through the glomerulus | |e. |reabsorbed in the tubules, and not secreted by tubule cells |

3.The above table shows the results of an experiment on the functioning of a mammalian kidney. The following item is based on an analysis of the data. Substance Z was likely |a. |reabsorbed in the tubules | |b. |not reabsorbed and not secreted by tubule cells | |c. |reabsorbed in the tubules and secreted by tubule cells | |d. |secreted by tubule cells and not filtered through the glomerulus | |e. |reabsorbed in the tubules and not secreted by tubule cells |

4.In an hypothetical experiment, human subjects were placed in a room, the temperature of which was higher than body temperature (37 degrees Celsius). At the same time, blood, cooler than 37 degrees Celsius, was infused into the subjects. Choose the correct effect of this experiment on the subjects. |a. |skin blood vessels dilate | |b. |no effect is noticed by the subject | |c. |perspiration evaporates from the skin | |d. |subjects begin to shiver and hair elevates | |e. |subject removes clothing...
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