Which of the following is CORRECT regarding corticosteroids?
A) They impair the body's ability to respond to disease.
B) They increase the number of red blood cells produced.
C) They suppress cancer cell reproduction.
D) They lower the body's risk for infection.
Answer: A
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If the ultimate goal is to grow and identify a sample of the organism that is causing disease in a patient, then all of the following EXCEPT ________ must be provided in the laboratory setting
a. proper carbon dioxide b. moisture c. temperature d. nutrient
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