Carbon dioxide is more soluble in water than is oxygen. Which gas has the higher rate of diffusion?
A. carbon dioxide
B. oxygen
C. Both will have the same rate of diffusion
A
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Which of the following is not an obstructive pulmonary disorder?
A. Chronic bronchitis B. Emphysema C. Tuberculosis D. COPD E. Asthma
The pontine respiratory group
A. is a collection of neurons in the pons. B. has connections with the medullary respiratory centers. C. plays a role in switching between inspiration and expiration. D. All of these are correct.
The elongated sensory structure that detects deep pressure and is located deepest in the skin is the:
a. tactile disc b. lamellated corpuscle c. tactile corpuscle d. Ruffini corpuscle
Oxygen plays a minor role in control of normal respiration because
A. deoxygenated venous blood is 75% saturated. B. oxygenated blood is more sensitive to CO2. C. oxygenated blood is < 95% saturated. D. deoxygenated venous blood is < 5% saturated.