In ___, target cells reduce the number of receptors for a hormone in response to long-term overstimulation.
a. habituation
b. the antagonistic response
c. desensitization
d. down-regulation
e. the synergistic response
Ans: d. down-regulation
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Proteins comprise ________________________________________ percent of the total dry weight of an animal's body
Fill in the blank(s) with correct word
Because of skeletal constraints, what is the maximum percentage that muscles can stretch or shorten relative to their length?
a. 30% b. 35% c. 40% d. 45% e. 50%
Which of the following occurs during repolarization?
A) Voltage-gated potassium channels open, potassium flows into the cell and some voltage-gated sodium channels inactivate. B) Voltage-gated potassium channels open. C) Potassium flows into the cell. D) Some voltage-gated sodium channels inactivate. E) Voltage-gated potassium channels open and potassium flows into the cell.
Compared to most interstitial fluid in the body, the interstitial fluid of an inflamed area would have a lower osmolarity and a lower concentration of proteins.
Answer the following statement true (T) or false (F)