Adrenergic bronchodilators mimic the actions of

Antagonistic muscle for gluteus maximus is:

a. Rectus abdominis b. Rectus femoris c. Piriformis d. Lumbar erector spinae

The most common cause of acute alveolar hyperventilation is:

a. hypoxemia. b. metabolic alkalosis. c. tachycardia. d. supplemental oxygen administration.