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Author Question: Which of the following is found when a patient has sinus arrhythmia? 1. Rate decreases during ... (Read 238 times)

evelyn o bentley

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on: Jul 16, 2018
Which of the following is found when a patient has sinus arrhythmia?
 
  1. Rate decreases during expiration.
  2. Rate decreases during inspiration.
  3. Rate varies by more than 10 from beat to beat.
  4. Rate increases during inspiration.
  a. 3
  b. 2, 3
  c. 1, 4
  d. 1, 3, 4

Question 2

A physician recommended a thymectomy for a patient with generalized myasthenia gravis. The primary benefit of this procedure is to:
 
  a. eliminate the source of AChR antibodies.
  b. block the antigen-antibody reactions.
  c. remove the source of cholinesterase.
  d. cure the ocular myasthenia gravis.


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Anna

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Reply #1 on: Jul 16, 2018
Answer to Question 1

D
Sinus arrhythmia has the following identifying traits: rate decreases during expiration, rate varies by more than 10 from beat to beat, and rate increases during inspiration.

Answer to Question 2

A
A thymectomy has been shown to reduce the symptoms in about 70 of the patients with myasthenia gravis. This happens because the thymus is the source of the AChR antibodies that lead to the muscle weakness.


evelyn o bentley

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Reply 2 on: Jul 16, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
:D TYSM

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