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Physiology Week 4 Quiz

Physiology Week 4 Quiz

This quiz covers key physiological concepts including cellular processes and fluid balance, assessing understanding of homeostatic mechanisms, ion concentrations, and membrane dynamics.

Questions: 24 | Attempts: 289 | Last updated: Mar 21, 2023

Sample Question 1
Which statement is incorrect?

The term “homeostasis” describes the maintenance of nearly constant conditions in the body

In most diseases, homeostatic mechanisms are no longer operating in the body

The body’s compensatory mechanisms often lead to deviations from the normal range in some of the body’s functions

Disease is generally considered to be a state of disrupted homeostasis

Sample Question 2
Compared with the intracellular fluid, the extracellular fluid has __________ sodium ion concentration, __________ potassium ion concentration, __________ chloride ion concentration, and __________ phosphate ion concentration.

Lower, lower, lower, lower

Lower, higher, lower, lower

Lower, higher, higher, lower

Higher, lower, higher, lower

Higher, higher, lower, higher

Higher, higher, higher, higher

Sample Question 3
The term “glycocalyx” refers to what?

The negatively charged carbohydrate chains that protrude into the cytosol from glycolipids and integral glycoproteins

The negatively charged carbohydrate layer on the outer cell surface

The layer of anions aligned on the cytosolic surface of the plasma membrane

The large glycogen stores found in “fast” muscles

A mechanism of cell–cell attachment