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NCOI- UNIT 2 CARDIOVASCULAR EXAM ACTUAL QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 100% VERIFIED $9.99   Add to cart

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NCOI- UNIT 2 CARDIOVASCULAR EXAM ACTUAL QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 100% VERIFIED

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NCOI- UNIT 2 CARDIOVASCULAR EXAM ACTUAL QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 100% VERIFIED What does the conduction system in the heart do? responsible for creating and transporting the electrical impulse, or action potential. The impulse starts depolarization of the cardiac...

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  • July 23, 2024
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NCOI- UNIT 2 CARDIOVASCULAR EXAM ACTUAL QUESTIONS

WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 100%

VERIFIED


What does the conduction system in the heart do?

responsible for creating and transporting the electrical impulse, or action potential. The

impulse starts depolarization of the cardiac cells and subsequently heart contraction

Systole

Contraction of the heart, ejecting blood from the ventricles

Diastole

Relaxation of the heart filling the ventricles

Contractibility

pumping power. Can be increased by epinephrine and norepinephrine release by the

sympathetic nervous system. Increasing contractility raises the stroke volume by

increasing ventricular emptying.

Afterload

Peripheral resistance against which the left ventricle must pump. Influenced by the size

of the ventricle, wall tension, and arterial blood pressure.

Murmur Grades 1-6

,i. Very faint may only be heard by an expert not heard in all positions no thrill

ii. Soft heard no positions no thrill

iii. Moderately loud, no thrill

iv. Louder and associated with a palpable thrill

v. Very loud with thrill heard it with the stethoscope partly off the chest

vi. Loudest with thrills heard, with the stethoscope entirely off the chest. (just above the

pericardium not touching the skin)

Diagnostic studies of the cardiovascular system

Lipid Profile

C-reactive Protein

Electrocardiogram

Echocardiogram

Nuclear Scans

Cardiac PET

Cardiovascular MRI

CT angiography (CTA)

Calcium-scoring screen

Cardiac Catheterization

Risk Factors for Primary Hypertension

i. Age

ii. Alcohol

iii. Tobacco use

iv. Diabetes mellitus

, v. Elevated serum lipids

vi. Excess dietary sodium

vii. Gender (more common in young and middle age males, more common in women

over age 64)

viii. Family history

ix. Obesity

x. Ethnicity

xi. Sedentary lifestyle

xii. Socioeconomic status

xiii. stress

Symptoms of severe hypertension

1. Fatigue

2. Dizziness

3. Palpitations

4. Angina

5. Dyspnea

Treatment for hypertension

i. Medications

ii. Weight reduction

iii. DASH diet-fruits, vegetables, whole grains, reduced fat

iv. Low sodium diet

v. Moderation of alcohol intake

vi. PHYSICAL ACTIVITY-exercise is medicine

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