Chemoreceptors that regulate breathing are located in the
A) brachiocephalic vein and superior vena cava
B) carotid artery and aorta
C) cerebellum and pons
D) coronary sinus and alveoli
Answer: B) carotid artery and aorta
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Shock may develop from
a. loss of blood b. low cardiac output c. decreased venous return d. excessive vasodilation e. all of the above
The stretch receptors for the Hering-Breuer reflex are located in the
a. diaphragm. b. elastic tissue of the lungs. c. medulla. d. smooth muscle of the airways. e. trachea.
Borborygmus is the singular form of ________________________________________
Fill in the blank(s) with correct word
Which of the following is NOT a factor that influences the rate of gas diffusion through the respiratory membrane?
A. The temperature of the gases B. The partial pressure gradient of the gases C. The thickness of the respiratory membrane D. The diffusion coefficient of the gases E. The surface area of the membrane