Practice Questions

TLS Online TPP Program

#Question id: 11664

Why are the renal artery and vein critical to the process of osmoregulation in vertebrates?

#Unit 7. System Physiology – Animal

The kidneys require constant and abnormally high oxygen supply to function.
The renal artery delivers blood with nitrogenous waste to the kidney and the renal vein brings blood with less nitrogenous wastes away from the kidneys.
The kidneys require higher than normal levels of hormones.
The renal artery and vein are the main pathways regulating how much is produced by the kidneys.

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TLS Online TPP Program

#Question id: 12658

#Unit 7. System Physiology – Animal

In a person on a high (200 mmol/day) potassium diet, which part of the nephron would be expected to secrete the most potassium?

TLS Online TPP Program

#Question id: 12659

#Unit 7. System Physiology – Animal

Which of the following would tend to decrease plasma potassium concentration by causing a shift of potassium from the extracellular fluid into the cells?

TLS Online TPP Program

#Question id: 12660

#Unit 10. Ecological Principles

Which of the following might be expected in the logistic model of population growth?

TLS Online TPP Program

#Question id: 12661

#Unit 10. Ecological Principles

In models of sigmoidal (logistic) population growth,

TLS Online TPP Program

#Question id: 12662

#Unit 10. Ecological Principles

The Allee effect is used to describe a population that

TLS Online TPP Program

#Question id: 12663

#Unit 10. Ecological Principles

Which of the following is the pattern of spacing for individuals within the boundaries of the population?