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Author Question: A patient is experiencing episodes of chest pain. He smokes one pack of cigarettes per day and has ... (Read 85 times)

asd123

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on: Jul 23, 2018
A patient is experiencing episodes of chest pain. He smokes one pack of cigarettes per day and has done so for many years.
 
  When teaching him about the effect of smoking on the cardiovascular system, the nurse will teach the patient about the effects of nicotine, including which of the following? A) It increases catecholamines to increase heart rate.
  B) It diminishes the blood's ability to clot.
  C) It increases myocardial contractility of the heart.
  D) It increases high-density lipoproteins.

Question 2

A patient with HIV has been infected with Mycobacterium avium complex from an indoor pool. Which of the following medications is the recommended treatment for MAC?
 
  A) Clarithromycin
  B) Isoniazid (INH)
  C) Rifabutin
  D) Azithromycin


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Laurenleakan

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

A
Feedback:
Nicotine increases catecholamines to increase heart rate and blood pressure. It increases platelet adhesiveness and aggregation to increase, not decrease, clotting. It decreases myocardial contractility. It does not increase myocardial contractility. It decreases good cholesterol, which is the high-density lipoprotein.

Answer to Question 2

A
Feedback:
The main drugs used in prevention of MAC disease in patients with HIV are the macrolides azithromycin and clarithromycin.


asd123

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Reply #2 on: Jul 23, 2018
Both answers were spot on, thank you once again


Laurenleakan

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Reply #3 on: Jul 23, 2018
Great! Please up vote :D


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