QBank - Cardiovascular System - Smart Edition Nursing

Which organ is responsible for producing oxygenated blood?

Heart

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Kidney

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Lung

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Stomach

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Which of the following waves is associated with a ventricle systole?

P wave

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T wave

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ST segment

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QRS complex

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Which of the following blood groups is a universal acceptor?

A

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B

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AB

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O

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The mitral valve regulates blood that flows into which of the following?

aorta.

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septum.

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left ventricle.

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pulmonary artery.

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Which of the following valves regulate blood flow between the right atrium and right ventricle?

Aortic

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Mitral

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Pulmonary

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Tricuspid

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A patient presents with excessive bruising, excessive bleeding, and slow wound healing. Which of the following does the patient’s blood test reveal?

Low platelet count

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High antibody count

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High red blood cell count

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Low white blood cell count

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Which of the following is the correct order of cell types in the blood from smallest to largest cell size?

Erythrocytes, thrombocytes, and leukocytes

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Thrombocytes, leukocytes, and erythrocytes

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Thrombocytes, erythrocytes, and leukocytes

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Leukocytes, erythrocytes, and thrombocytes

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What is the purpose of an electrocardiogram?

Indicate the rate of blood flow

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Display the heart’s rate and rhythm

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Identify a person’s blood group type

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Determine cell type in a blood sample

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What percentage of erythrocytes is the blood composed of?

1

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45

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55

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95

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The primary function of blood is to _____.

regulate the process of wound healing

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aid in the excretion of waste from the body

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transport elements and remove cellular waste

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control the number of leukocytes found in the buffycoat

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Platelets are important because they

give blood its natural color.

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repair broken blood vessels.

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transport nutrients to the cells.

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protect the body against infection.

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Which of the following heart layers is composed primarily of cardiac muscle?

Myocardium

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Pericardium

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Septum

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Sternum

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What happens after the blood leaves the pulmonary vein?

It flows through the aorta.

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It pours into the left atrium.

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It travels through the arteries.

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It passes by the superior vena cava.

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Exchanges of substances like gases and nutrients occurs at which of the following?

arteries.

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capillaries.

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veins.

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venules.

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Which substance is plasma mostly composed of?

Albumin

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Leukocytes

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Platelets

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Water

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An individual with leukemia presents with abnormally low leukocyte levels. Which is strongly correlated with this low blood cell count?

Weakened immune system

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Irregular heartbeat rhythms

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Sustained ventricular contractions

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Nonfunctional wound healing process

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Which of the following substances transported in blood does the liver excrete as bile?

Gases

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Hormones

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Nutrients

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Wastes

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What happens after platelets aggregate at a damaged blood vessel site?

The site of the wound is healed.

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The damaged blood vessel constricts.

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The platelets stick together and form a plug.

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Red blood cells are recruited to the injured site.

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Which happens as a result of a diastole?

The left ventricle flows blood to the aorta.

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Oxygenated blood drains into the left ventricle.

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Blood travels from the arteries to the arterioles.

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The pulmonary artery flows blood to the left atrium.

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What segment of the electrocardiogram is associated with atrial systole?

P wave

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S wave

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ST segment

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QRS complex

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Which of the following is the purpose of the superior vena cava?

Flow blood into the pulmonary artery

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Facilitate blood drainage into the right ventricle

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Carries deoxygenated blood from the upper half of the body to the right atrium

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Saturate the body tissues with a large volume of blood

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After blood leaves the aorta, it travels to the

arteries.

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arterioles.

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capillaries.

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venules.

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Which blood group does NOT display A and B antibodies in the plasma?

A

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AB

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B

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O

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A laboratory technician needs to determine the leukocyte count in a patient. Which of the following parts of a blood sample are these cells extracted?

Water

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Buffy coat

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Liquid plasma

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Reddish mass

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Which of the following formed element is found in the buffy coat of of an anticoagulated blood sample?

Epithelial cells

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Red blood cells

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White blood cells

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Endothelium cells

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What happens after blood coagulation?

Platelet plug forms.

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Fibrin mesh is created.

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Blood vessels contract.

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Wounded site is closed.

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What is the most dense component of blood?

Plasma

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Platelets

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Leukocytes

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Reddish mass

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Which of the following blood groups indicates the absence of an Rh factor?

AB

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A-

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B+

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O

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Agglutination begins in a tube containing A-antibodies. Which of the following does this indicate about the blood sample?

The blood cells have AB antigens.

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This blood belongs to blood group O.

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The blood has B antibodies in its plasma.

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This blood sample is compatible with type AB blood.

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Which blood group is a universal donor?

A

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B

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AB

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O

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Which of the following explains why vascular spasm is important?

Initiates blood coagulation

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Restricts platelet aggregation

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Reduces blood flow to an injured site

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Signals for the body to end wound healing

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What blood type can a person with type AB blood donate to?

A

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B

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AB

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O

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Blood Oxygen levels are most likely low when blood does which of the following?

leaves the aorta

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fills the right atrium

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reaches body tissues

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flows through arteries

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A laboratory technician identifies a person’s blood as O+. What does this mean?

The person can accept type AB blood.

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Antibodies are found in the blood’s plasma.

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An Rh factor is on the red blood cells’ surface.

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Antibodies bind to antigens in the blood sample.

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People with type O blood can accept blood from people with _____ blood.

Type O

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Type B

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Type AB

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Type A

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Erythrocytes function to

begin the process of wound healing.

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protect the body from foreign substances.

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provide a fibrin mesh around platelet aggregates.

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facilitate gas exchange between blood and body tissues.

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QBank – Cardiovascular System

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