What are the major chemical buffer systems of the body?
A. The bicarbonate, phosphate, and nitrate
B. The urinary and digestive
C. The bicarbonate, nucleic acids, and protein
D. The urinary and respiratory
E. The bicarbonate, phosphate, and protein
Answer: E
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Which of the following channels opens or closes in response to changes in membrane potential?
a. voltage-gated b. chemical-gated c. mechanically-gated d. thermally-gated e. none of these answers.
Which of the following is NOT a mechanism by which angiotensin II raises blood pressure?
A. Causing vasodilation in arterioles B. Stimulating the thirst center in the hypothalamus C. Increasing peripheral resistance D. Stimulating production of aldosterone
What is the composition of the subcutaneous layer?
A. Dense irregular connective tissue B. Areolar connective tissue C. Adipose connective tissue D. Areolar connective tissue and adipose connective tissue E. Areolar connective tissue and dense irregular connective tissue
Decreasing venous return ____________________ preload and ____________________ EDV
Fill in the blank(s) with correct word