Which of the following drugs, administered as an aerosol spray, would be most likely to help a victim of an asthmatic attack?
A. pulmonary surfactant
B. a ?2-adrenergic agonist
C. a muscarinic agonist
D. histamine
E. a ?2-adrenergic antagonist
B
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The adjustment of the thickness of the lens to make close vision possible is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a part of the lymphatic system?
A. lymphatic vessels B. erythrocytes C. lymph nodes D. lymph
There are ________ carpal bones located in the wrist, which form ________ rows of bones in the wrist
A) 2; 8 B) 10; 3 C) 4; 2 D) 8; 2 E) 6; 2
A 65-year-old man has chronic renal failure. What are the expected changes in his serum Ca++, Pi, and calcitriol levels? (Note: Changes are those expected compared with an individual with normal renal function.)
Serum [Ca++] Serum [Pi] Calcitriol level A. ? ? ? B. ? ? ? C. ? ? ? D. ? ? ? E. ? ? ?