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NUR 195 Exam 2 Questions And Correct Answers
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NUR 195 Exam 2 Questions And Correct Answers 2024-2025The cardiac cycle consists of? - Answer the systole, or contraction, and diastole, or
relaxation, of both atria, rapidly followed by the systole and diastole of both ventricles
Blood pressure - Answer the force that blood exerts on the walls of the arteries
Cardiac Output - Answer heart rate x stroke volume
Heart rate - Answer Number of contractions per minute
Stroke volume - Answer The volume of blood ejected by the heart in one contraction.
Pre-load - Answer Volume of blood in ventricle following diastole (volume of stretch after
filling)
After-load - Answer the resistance to flow the ventricle must overcome (how big in
diameter)
Contractility - Answer Force
Contractility is __________________ w/ hypoxia or acidosis - Answer decreased
Contractility is ____________________ w/ sympathetic stimulation or calcium release -
Answer increased
CVD Risks - Answer 1. Family HX
, 2. Diabetes
3. Chronic Renal Disease
4. HTN
5. Dyslipidemia (abnormal amounts of fat)
S/S of CVD - Answer 1. Chest pain
2. Fatigue
3. SOB (dyspnea)
4. Cough
5. Edema
6. Syncope
7. Palpations
Chest pain evaluation - Answer PQRST
1.
2. Intensity
3. Radiation
4. Duration
5. Quality
**Ask what relieves pain**
**Ask dyspnea on exertion or at rest**
Palpatations - Answer Could indicate abnormal heart rhythm
Syncope - Answer Could indicate CO issue (mechanical or electrical)
Weight gain - Answer May indicate worsening cardiac status
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