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NUR 257 Test #1 (Structural/ Infectious/ Inflammatory Cardiac Disorders and Complications of Heart Disease) – Questions & Answers CA$14.34   Add to cart
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NUR 257 Test #1 (Structural/ Infectious/ Inflammatory Cardiac Disorders and Complications of Heart Disease) – Questions & Answers
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NUR 257 Test #1 (Structural/ Infectious/ Inflammatory Cardiac Disorders and Complications of Heart Disease) – Questions & Answers

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  • January 28, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • nur 257 test 1 structural infectious inflammat

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NUR 257 Test #1 (Structural/ Infectious/ Inflammatory
Cardiac Disorders and Complications of Heart Disease)
– Questions & Answers

What are the three layers of the heart and where are they located?
Correct Ans - Epicardium=outer protective layer
Myocardium= the muscle tissues of the heart
Endocardium=thin inner layer

What valve is located between the right atrium and right ventricle?
Correct Ans - Tricuspid Valve

What valve is between the left atrium and left ventricle? Correct Ans -
Mitral Valve

What do the coronary arteries do? Correct Ans - supply blood to
the heart

What does the cardiac conduction system consist of ? Correct Ans -
SA node, AV node, bundle of His, bundle branches, and Purkinje fibers

What is hemodynamics? Correct Ans - the balance of your body

Blood flow through the heart Correct Ans - 1-Superior & Inferior
Vena Cava, 2-Rt Atrium, 3-Tricuspid Valve, 4- Rt Ventricle, 5-Pulmonary
Valve, 6-Pulmonary Artery, 7- Lungs-pick up oxygen, 8-Pulmonary Veins, 9-
Lt Atrium, 10- Mitral Valve (Bicuspid), 11-Lt Ventricle, 12- Aortic Valve, 13-
Aorta, 14- Body

What is the pacemaker of the heart? Correct Ans - SA node

Electrical activation of cells "Excitement"
(caused by influx of sodium into cell while potassium exits cell) Correct
Ans - Depolarization

Return of Cells to resting state "Relaxation"
(caused by reentry of potassium into cell while sodium exits) Correct
Ans - Repolarization

, The time in between excitement and relaxation where they need to fill back
up to get energy to go again
(sandwich and a nap) Correct Ans - Refractory Period

The number of cardiac cycles is equal to? Correct Ans - Heart Beat

Each cardiac cycle has three major sequential events........ Correct Ans -
Diastole
-when the heart fills with blood
Atrial systole
-atrial contracts and moves blood to ventricle
Ventricular systole
-ventricle ejects blood out of heart

Cardiac Output (CO) Correct Ans - measurement of the amount of
blood ejected per minute from the heart

What is ejection fraction? Correct Ans - how much blood is ejected
with each beat

What is stroke volume? Correct Ans - the amount of blood ejected
by the heart

Preload=
Afterload= Correct Ans - Volume
Pressure

What do baroreceptors detect? Correct Ans - blood pressure
throughout your nervous system and increase if needed as well as decrease
urine output

What other systems might you examine to see if there are problems with
your heart? Correct Ans - ~urinary
~lungs
~veins
~arteries
~brain

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