A 48-year-old woman complains of severe polyuria (producing about 0.5 L of urine each hour) and polydipsia (drinking two to three glasses of water every hour). Her urine contains no glucose, and she is placed on overnight water restriction for further evaluation. The next morning, she is weak and confused, her sodium concentration is 160 mEq/L, and her urine osmolarity is 80 mOsm/L. Which of the following is the most likely diagnosis?

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#Question id: 12019

#Unit 10. Ecological Principles

Chickadees were given an opportunity to store seeds in 72 possible storage sites consisting of holes drilled in small trees that had been placed in an aviary. Typically, the seeds were placed in only 4 or 5 storage sites. The chickadees were then removed from the aviary, the seeds removed from the storage sites, and each hole covered. A day later, the chickadees were returned to the aviary and they spent nearly 5 times as long pulling at the covers on storage sites than at the covers on sites where they had not stored food. This experiment indicates that chickadees

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#Question id: 12020

#Unit 10. Ecological Principles

Bird species X stores seeds in a large number of separate caches in the summer and then locates the caches in the winter. Compared with a bird species that does not store seeds, species X can be expected to have a proportionately larger

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#Question id: 12021

#Unit 7. System Physiology – Animal

Nutrient-rich blood from the intestine is carried through the ________ to the liver.

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#Question id: 12022

#Unit 7. System Physiology – Animal

The bile salts ________.

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#Question id: 12023

#Unit 7. System Physiology – Animal

The absorption of fats differs from that of carbohydrates in that ________.

TLS Online TPP Program

#Question id: 12024

#Unit 7. System Physiology – Animal

Constipation can result from the consumption of a substance that ________.