Which of the following medications is generally only used if the patient still has debilitating symptoms from stable COPD, despite inhaled bronchodilator therapy?
a. Antibiotics
b. Beta-2 agonists
c. Corticosteroids
d. Methylxanthines
ANS: D
Treatment with methylxanthines offers little additional bronchodilation in patients on inhaled bronchodilators, and generally it is reserved for patients with debilitating symptoms from stable COPD, despite optimal inhaled bronchodilator therapy.
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The blood carries waste products to all of the following places for elimination, EXCEPT the ________.
A. liver B. intestines C. kidneys D. skin
Which of the following is NOT a basic characteristic of HMOs?
A. The members are involuntarily enrolled for a specified period. B. The HMO provides services on a prepaid basis. C. An HMO contracts with providers to deliver care to its patients. D. The HMO assumes legal, financial, public, and professional accountability.