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Circulation and Perfusion Questions with Correct Answers
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Circulation and Perfusion
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Circulation and PerfusionThe nurse is reviewing the structures of the heart. Which part is the pericardium?
1. Two thin-walled muscles that receive blood into the heart
2. A sac of connective tissue that encases the heart
3. Two thick-walled muscles that pump blood out of the heart
4. The nerve tissue that acts as the pacemaker - answer2. A sac of connective tissue
that encases the heart
The heart is regulated by the autonomic nervous system (ANS) and control centers in
the brainstem. Where do the parasympathetic fibers innervate the heart?
1. The baroreceptors
2. The chemoreceptors
3. The trigeminal nerve
4. The vagus nerve - answer4. The vagus nerve
Cardiac dysrhythmias have the potential to decrease cardiac output. Which type of
dysrhythmia is located in the AV node?
1. Ectopy
2. Supraventricular
3. Ventricular
4. Junctional - answer4. Junctional
Cardiac dysrhythmias - answer-Deviations from normal cardiac rate or rhythm
-Caused by electrolyte abnormalities, fever, hypoxia, stress, infection, drug toxicity
-Reduction of the efficiency of the heart's pumping cycle
A nurse is teaching a client how to promote venous circulation. Which statements by the
client indicates understanding of the teaching? Select all that apply.
1. "I will keep my legs elevated when I am sitting in the recliner."
2. "I will take a walk around the block in the morning and afternoon."
3. "I will only be able to perform range-of-motion exercises once per week"
4. "It's ok if I sit with my legs crossed in the car."
5. "I will drink at least six 8-ounce glasses of water every day."
6. "I will attend a smoking cessation class at the YMCA." - answer1. "I will keep my legs
elevated when I am sitting in the recliner."
2. "I will take a walk around the block in the morning and afternoon."
5. "I will drink at least six 8-ounce glasses of water every day."
6. "I will attend a smoking cessation class at the YMCA."
, A nurse is admitting a client with a myocardial infarction. Which nursing diagnosis is the
highest priority?
1. Activity intolerance
2. Decreased cardiac output
3. Risk for ineffective renal perfusion
4. Anxiety - answer2. Decreased cardiac output
A client is learning about anticoagulant therapy. Which statement indicates that the
client understands this therapy?
1. "There are no antidotes for heparin or Coumadin."
2. "I will need weekly blood tests if I take apixaban."
3. "If I am taking Coumadin, I will avoid green, leafy vegetables."
4. "I can use a regular razor to shave my face." - answer3. "If I am taking Coumadin, I
will avoid green, leafy vegetables."
There are various cardiovascular medications that lower cholesterol. Which medication
category lowers LDL cholesterol levels?
1. Diuretics
2. Vasodilators
3. Statins
4. Positive inotropes - answer3. Statins The purpose of statins is to decrease elevated
LDL cholesterol levels.
A nurse is teaching a client who is started on digoxin before discharge. Which
statements by the client indicate correct understanding of the teaching? Select all that
apply.
1. "I will take my pulse before every dose and contact my health-care provider for a
pulse of less than 50."
2. "I will notify my health-care provider if I have blurred, yellow vision."
3. "I don't have to worry about my potassium level when taking digoxin."
4. "My blood levels of digoxin should be between 0.2 and 0.5."
5. "My blood levels will have to be checked every month." - answer1. "I will take my
pulse before every dose and contact my health-care provider for a pulse of less than
50."
2. "I will notify my health-care provider if I have blurred, yellow vision."
5. "My blood levels will have to be checked every month."
Which questions should the nurse ask the client when assessing for peripheral vascular
deficits? Select all that apply.
1. "Do you have numbness in your hands and feet?"
2. "Are there any sores on your legs that never heal?"
3. "Do you experience any chest pain upon exertion?"
4. "Do you feel dizzy when you change positions too fast?"
5. "What makes the pain worse, elevating your legs or dangling them?" - answer1. "Do
you have numbness in your hands and feet?"
2. "Are there any sores on your legs that never heal?"
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