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Author Question: The nurse administers a drug to the patient whose heart rate is bradycardic aimed at increasing ... (Read 57 times)

c0205847

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on: Jul 23, 2018
The nurse administers a drug to the patient whose heart rate is bradycardic aimed at increasing heart rate and myocardial activity. What adrenergic receptor is this drug stimulating?
 
  A) Alpha1
  B) Alpha2
  C) Beta1
  D) Beta2

Question 2

What drug does the nurse recognize as being classified as a chemical stimulant?
 
  A) Bisacodyl (Dulcolax)
  B) Polycarbophil (FiberCon)
  C) Magnesium hydroxide (Milk of Magnesia)
  D) Docusate (Colace)


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krakiolit

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Reply #1 on: Jul 23, 2018
Answer to Question 1

C
Feedback:
Beta1-receptors are found in cardiac tissue where they can stimulate increased myocardial activity and increased heart rate. Alpha1-receptors are found in blood vessels, in the iris, and in the urinary bladder. Alpha2-receptors are located on nerve membranes and act as modulators of norepinephrine release. Beta1-receptors are found in smooth muscle in blood vessels, in the bronchi, in the periphery, and in uterine muscle.

Answer to Question 2

A
Feedback:
Bisacodyl is a chemical stimulant. Polycarbophil and magnesium hydroxide are bulk laxatives. Docusate is a lubricant laxative.


c0205847

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Reply 2 on: Jul 23, 2018
Thanks for the timely response, appreciate it

samiel-sayed

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Reply 3 on: Yesterday
Excellent

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