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EMT JBL Mastery Exam 1 Questions And Answers With Verified Solutions Already Passed!!!
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Cardiology JBL Test Prep Questions AndAnswers With Verified Solutions 100%
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A patient's cardiac rhythm is irregular and the rate is 50 per minute. There are more
P waves than QRS complexes, and the PR intervals vary in duration. The
paramedic should interpret the cardiac rhythm as:
A) atrial fibrillation
B) first-degree AV block
C) third-degree AV block
D) second-degree AV block - ANSWER✔✔D) second-degree AV block
Second-degree AV block best fits the rhythm described. In second-degree AV
block, there are more P waves than QRS complexes. If the PR intervals vary in
duration an the rhythm is irregular, a type I second-degree AV block is present.
If the PR intervals of the conducted complexes are consistent, a type II second-
degree AV block is present.
Type II second-degree AV block can be regular or irregular, depending on whether
or not a fixed variable block is present..
First-degree AV block has a P-to-QRS ratio of 1:1. although the PR intervals are
prolonged.
Atrial fibrillation is an irregularly irregular rhythm without discernible (visible) P
waves
, A patient's medication regimen includes fluoxetine, Toprol, lansoprazole, and
Klonopin. Which of these medications is used to treat cardiovascular disorders?
A) Toprol
B) Proscar
C) fluoxetine
D) lansoprazole - ANSWER✔✔A) Toprol
Toprol (Metaprolol) - Beta-blocker.
Used to treat various cardiovascular conditions, including hypertension and
tachydysrhythmias.
Proscar (Finasteride) - is used to teat benign prostatic hyperplasia (BPH).
Hyperplasia - the enlargement of an organ or tissue caused by an increase in the
reproduction rate of its cells, often as an initial stage in the development of cancer.
Fluoxetine (Prozac) selective serotonin reuptake inhibitor (SSRI) antidepressant.
Used to treat conditions such as depression, generalized anxiety disorder, and
obsessive-compulsive disorder (OCD).
Lansoprazole (Prevacid) - a proton pump inhibitor.
Used to treat conditions such as heartburn, acid reflux disease, and ulcers.
Clonazepam (Klonopin) - Benzodiazepine sedative-hypnotic.
Used to treat anxiety
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