Infant respiratory distress syndrome (IRDS) is caused by ________
A) production of very thick respiratory mucus
B) overinflated alveoli
C) underdeveloped respiratory epithelium
D) pulmonary edema
E) deficiency of pulmonary surfactant
E
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Administration of a medication in the elderly can result in a much higher dosage than the clinician might intend because
A) the metabolic rate in the elderly is so high. B) the kidneys of the elderly do not work well. C) the elderly have less water content in the body. D) other medications they take might enhance the concentration of another drug. E) they cannot regulate pH well.
The term "periccardium" refers to:
A) the fibrous sac surrounding the heart B) the serous membrane lining the fibrous sac surrounding the heart C) the serous membrane covering the outer surface of the heart D) all of the above E) none of the above
The addition of ACh to the SA node would decrease the number of T waves observed per minute on an ECG
Indicate whether the statement is true or false
Which is not one of the four primary tissue types?
A. Muscle B. Endocrine C. Epithelial D. Connective E. Nervous