Albuterol is a selective beta-2 adrenergic agonist. The intended beta-2 adrenergic effect is ____________. The undesirable effect of beta-1 adrenergic stimulation is ____________.
A. bronchodilation; rapid heart rate
B. bronchodilation; decreased force of contraction
C. bronchoconstriction; coronary artery vasoconstriction
D. bronchoconstriction; irregular rhythm
Answer: A. bronchodilation; rapid heart rate
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What may happen if the ductus arteriosus fails to close shortly after birth?
A. Blood may flow from the right atrium to the left atrium. B. The coronary arteries may have abnormally increased blood flow. C. The walls of the heart may become thin and flaccid. D. Blood may flow from the aortic arch to the lungs. E. Valvular stenosis may interrupt blood flow.
A blockage of the ducts from the parotid glands would
A) reduce delivery of saliva. B) cause mumps-like swelling of the face. C) interfere with carbohydrate digestion in the mouth. D) All of the answers are correct. E) None of the answers is correct.
The lumen of the gastrointestinal tract is continuous with the external environment
Indicate whether the statement is true or false.
The cervical sympathetic trunks:
A) are in the carotid sheaths. B) connect to cervical spinal nerves by gray and white communicating rami. C) emit cardiopulmonary splanchnic nerves. D) emit cranial splanchnic nerves. E) typically have ganglia associated with each spinal level.