Before administering a drug, knowledge of a patient's ________________ is essential
A. allergies
B. blood type
C. Rh factor
D. family history
a
Rationale: Knowledge of a patient's allergies is critical before administering a drug. All the other choices are not critical determinants in the safety of most drugs; therefore, "allergies" is the only completely correct answer.
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Which of the following gas exchange abnormalities occur with worsening airflow obstruction? I. Asthma patients can hypoventilate, producing hypercapnic respiratory failure. II. Overdistended alveoli in certain lung regions together with capillary loss increase capillary shunting in emphysema patients. III. Hypoxemia-induced pulmonary vasoconstriction increases capillary shunting. IV. Hypoxemia
can develop from V/Q mismatching caused by maldistribution of ventilation. A. I, II only B. I, IV only C. I, II, III only D. II, III, IV only
Increased alveolar ventilation is associated with which of the following?
a. Hyperthermia c. Decreased meta-bolic rate b. Bronchospasm d. Respiratory muscle fatigue