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WGU D115 patho unit 5 cardiovascular and lymphatic systems || Questions and 100% Verified Answers. $11.49
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WGU D115 patho unit 5 cardiovascular and lymphatic systems || Questions and 100% Verified Answers.
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  • WGU D115 Patho Unit 5 Cardiovascular And Lymphatic

Structures of the heart correct answers Atrium: an upper chamber of the heart that receives blood Ventricle: lower chamber of the heart that pumps blood out Valve: a flap of tissue that prevents blood from flowing backward (tricuspid, pulmonary semilunar valve, mitral valve, aortic semilunar valv...

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  • August 28, 2024
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WGU D115 patho unit 5 cardiovascular and lymphatic
systems || Questions and 100% Verified Answers.
Structures of the heart correct answers Atrium: an upper chamber of the heart that receives blood
Ventricle: lower chamber of the heart that pumps blood out
Valve: a flap of tissue that prevents blood from flowing backward (tricuspid, pulmonary
semilunar valve, mitral valve, aortic semilunar valve)
Heart wall: epicardium, myocardium, endocardium
Pericardium: two walled membranous sac containing parietal and visceral layers

cardiac cycle correct answers A complete heartbeat consisting of contraction and relaxation of
both atria and both ventricles
Diastole: relaxation, blood fills ventricles
Systole: contraction, propels blood out of ventricles and into circulation

function of cardiovascular system correct answers to deliver oxygen and nutrients and to remove
carbon dioxide and other waste products

circulatory system correct answers This system works as the transportation highway for the
body. It consists of the heart, blood, and blood vessels. It transports substances such as oxygen,
carbon dioxide, and nutrients in the body.

Peripheral vascular system correct answers the term used to describe the part of the systemic
circulation that supplies the skin and the extremities,
particularly the legs and feet.

Three processes of vessel growth correct answers Angiogenesis, arteriogenesis, vasculogenesis

Hematocrit correct answers percentage of blood volume occupied by red blood cells

systolic blood pressure correct answers The highest arterial blood pressure following ventricular
contraction or systole

diastolic blood pressure correct answers The lowest arterial blood pressure that occurs during
ventricular filling or diastole

Mean Arterial Pressure (MAP) correct answers Average pressure in the arteries throughout the
cardiac cycle

Pulse Pressure (PP) correct answers difference between systolic and diastolic pressure

function of lymphatic system correct answers Important in fluid balance, immune function and
transport of lipids, hormones and cytokines

, Cardiac Output (CO) correct answers measurement of the amount of blood ejected per minute
from either ventricle of the heart (in L) (heart rate multiplied by stroke volume)

chest radiograph (chest x-ray) correct answers a radiographic image of the chest used to evaluate
the lungs and the heart (a diagnostic imaging test); AB- CXR

Electrocardiogram (ECG) correct answers recording of the electrical changes that occur in the
myocardium during a cardiac cycle. (MI, conduction defects or dysrhythmias)

echocardiography (ECHO) correct answers echoes generated by high-frequency sound waves
produce images of the heart to evaluate cardiac output, ejection fraction and valvular function

cardiac stress testing correct answers exercise tolerance test to raise your heart rate and monitor
the effect on cardiac function, elicits signs and symptoms of heart disease or coronary artery
disease

single photon emission computed tomography (SPECT) correct answers radioactive tracer is
injected intravenously and a computer reconstructs a 3D image based on a composite of many
views. Evaluates for Coronary artery disease or MI during stress testing

Cardiac computed tomography (CT) scan correct answers Evaluate cardiac anatomy and
physiology, Coronary artery calcification, large vessel disease

cardiac MRI (Magnetic Resonance Imaging) correct answers Evaluate cardiac anatomy and
physiology, can determine regional wall motion and myocardial deformation, flow direction and
velocity

Cardiac electrophysiology study (mapping) correct answers Documenting abnormal conduction,
Nature and causes of dysrhythmias, such as atrial and ventricular tachycardias and heart block

Cardiac catherization and angiography correct answers Used to visualize cardiac chambers,
valves, the great vessels, and coronary arteries. Pressures and volumes within the four chambers
of the heart are also measured.

Cardiac changes with aging correct answers Myocardial and blood vessel stiffening, changes in
neurogenic control over vascular tone, increased occurrence of atrial fibrillation, and loss of
exercise capacity, left ventricular hypertrophy and fibrosis

Indicators of cardiac function and normal values correct answers HR-70
Cardiac output-4-8mL/min
Cardiac index-2.8-4.2 L/min/m2
Stroke volume-33-47 mL/beat/m2
Oxygen consumption index
Stroke work index-35 g/m2
Systemic mean arterial pressure-70-100 mmHg
Pulmonary vascular resistance-less than 250 dynes/sec/cm-

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