25 cardiovascular Flashcards by alysha bush

The __________ valve prevents blood from flowing back into the left ventricle.

aortic semilunar

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Which of the following valves prevents blood from flowing back into the right ventricle?

pulmonary semilunar

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Which component of the cardiac conduction system is located between the ventricles and splits into left and right branches?

bundle of His

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Which part of the cardiac conduction system is located in the wall of the right atrium?

SA Node

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Which part of the cardiac conduction system is known as the pacemaker of the heart?

SA Node

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Which part of the cardiac conduction system is located in the walls of the ventricles and cause the ventricles to contract?

Multiple Choice
SA node
AV node
bundle of His
Purkinje fibers
bundle branches

Purkinje fibers

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Which part of the cardiac conduction system receives the impulse from the SA node?
Multiple Choice
SA node
AV node
bundle of His
Purkinje fibers
bundle branches

AV Node

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The bundle of His splits into left and right bundle branches that carry an electrical impulse to the __________.

Multiple Choice
SA node
AV node
AV bundle
Purkinje fibers
mitral valve

Purkinje fibers

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Which of the following causes dysrhythmia when elevated?

Multiple Choice
exercise
body temperature
potassium ions
calcium ions
phosphate ions

potassium ions

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Which of the following can cause longer-than-normal heart contractions?
Multiple Choice
strenuous exercise
elevated body temperature
high concentration of potassium ions
high concentration of calcium ions
elevated heart rate

high concentration of calcium ions

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Which of the following does not cause an increase in the heart rate?
Multiple Choice
strenuous exercise
elevated body temperature
parasympathetic nerve stimulation
sympathetic nerve stimulation
low concentration of potassium ions

parasympathetic nerve stimulation

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Which of the following keeps the heart rate relatively low?

Multiple Choice
strenuous exercise
elevated body temperature
parasympathetic nerve stimulation
sympathetic nerve stimulation
high blood pressure

parasympathetic nerve stimulation

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The cardiac control center responds to __________.
Multiple Choice
changes in blood pressure
increase in potassium ion concentration
strenuous exercise
increase in calcium ion concentration
Increase in body temperature

changes in blood pressure

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The __________ have walls that are one cell thick.
Multiple Choice
arterioles
arteries
veins
venules
capillaries

capillaries

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Venules and arterioles are connected by __________.
Multiple Choice
arterioles
arteries
veins
venules
capillaries

capillaries

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Which of the following are the strongest blood vessels that function to carry blood away from the heart?

Multiple Choice
arterioles
arteries
veins
venules
capillaries

arteries

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The __________ are small vessels that carry oxygenated blood.
Multiple Choice
arterioles
arteries
veins
venules
capillaries

arterioles

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The __________ are small vessels that carry deoxygenated blood.
Multiple Choice
arterioles
arteries
veins
venules
capillaries

venules

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Which of the following results in an increased blood pressure?
Multiple Choice
increased cardiac output
loss of blood
vasodilation
dehydration
shock

increased cardiac output

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Which of the following does not decrease the blood pressure?
Multiple Choice
loss of blood
vasoconstriction
vasodilation
dehydration
decreased cardiac output

vasoconstriction

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Which of the following veins drains the intestines?
Multiple Choice
mesenteric
renal
brachial
iliac
intercostal

mesenteric

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Which artery supplies blood to the thigh?

Multiple Choice
left carotid
right subclavian
celiac
phrenic
femoral

femoral

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The blood supply for the teeth comes from the __________ artery.
Multiple Choice
mesenteric
axillary
lumbar
lingual
maxillary

maxillary

Which arteries supply blood to the rib area?
Multiple Choice
intercostals
external iliacs
axillaries
popliteals
occipitals

intercostals

The __________ arteries supply blood to the forearm and hand. Multiple Choice brachial and popliteal ulnar and radial common iliac and external iliac femoral and tibial maxillary and lingual

ulnar and radial

The __________ vein is the major vein in the legs. Multiple Choice azygos intercostal saphenous jugular brachiocephalic

saphenous

Gluteal areas are served by the __________ veins. Multiple Choice azygos intercostal saphenous iliac popliteal

iliac

The __________ vein takes blood to the liver from the intestines. Multiple Choice saphenous iliac mesenteric axillary gastric

mesenteric

Blood leaves the armpits through the __________ veins. Multiple Choice saphenous iliac mesenteric axillary brachial

axillary

The __________ vein removes blood from the thorax and abdomen. Multiple Choice azygos intercostal saphenous iliac axillary

azygos

Which of the following causes of chest pain is heart-related? Multiple Choice Pleurisy Heartburn Angina Inflammation of the pancreas Costochondritis

Angina

Which of the following causes chest pain only when someone pushes on the chest? Multiple Choice heartburn costochondritis pulmonary embolism sore muscles pleurisy

costochondritis

Mr. Jackson is being seen in the urgent care center where you work because of severe chest pain. He says the pain is sharp and severe and gets worse when he coughs or breathes in. He is afraid he is having a heart attack. Based on these symptoms, you might suspect that he has Multiple Choice heartburn. costochondritis. a pulmonary embolism. sore muscles. myocardial infarction.

a pulmonary embolism

Chest pain caused by __________ generally occurs only during body movements. Multiple Choice heartburn costochondritis pulmonary embolism sore muscles panic attacks

sore muscles

If chest pain follows a meal and increases when the patient bends over, it is generally due to __________. Multiple Choice heartburn costochondritis pulmonary embolism sore muscles pleurisy

heartburn

Karyn has been having episodes of tachycardia (rapid heartbeat) associated with her congestive heart failure. Karyn does not want to add “yet another” medication to those she is already taking. Which of the following options might help Karyn control her rapid heartbeat without medication? Multiple Choice maze procedure vagal maneuvers increased exercise increased caffeine intake electrical shock

vagal maneuvers

Mr. Johnson is an overweight patient with a history of myocardial infarction four years ago. He is in the office today complaining that he just doesn’t feel well. He is experiencing nausea, shortness of breath, and a little dizziness. His feet and ankles seem swollen and his neck veins are prominent. For which of the following conditions might the practitioner test given the patient’s symptoms? Multiple Choice endocarditis hypertension mitral valve prolapse congestive heart failure acute myocardial infarction

congestive heart failure

Mrs. Landon has been diagnosed with coronary artery disease. Her cholesterol level is high, and the licensed practitioner advised her to get more exercise and follow a low-fat diet. At her follow-up appointment, however, the licensed practitioner tests her cholesterol level and it is still unacceptably high. Which of the following medications might you expect the licensed practitioner to prescribe to help lower her cholesterol? Multiple Choice RhoGAM Lasix Lipitor aspirin ibuprofen

Lipitor

The purpose of the four valves of the heart is to __________. Multiple Choice control the rate of blood flow ensure one-way blood flow keep the blood in the correct chamber maintain blood pressure generate rhythmic contractions

ensure one way blood flow

Body cells surrounding capillaries usually have a __________. Multiple Choice high oxygen concentration low oxygen concentrationCorrect low carbon dioxide concentration high nutrient concentration low concentration of waste products

low oxygen concentration

Water is forced through capillary walls by __________. Multiple Choice different concentrations of substances low pressure of the blood filtration osmosis diffusion

filtration

In the clinical setting, blood pressure refers to __________. Multiple Choice lymphatic pressure arterial pressure osmotic pressure venous pressure intracardiac pressure

arterial pressure

Blood pressure is greatest in the arteries __________. Multiple Choice when the heart is between contraction and relaxation when the atria contract when the Purkinje fibers are stimulated when the SA node fires when the ventricles contract

when the ventricles contract

What causes a myocardial infarction? Multiple Choice damaged heart valves weakened heart muscle obstruction of blood flow to the heart muscle a serious dysrhythmia a defective SA node

obstruction of blood flow to the heart muscle

The __________ lies on top of the visceral pericardium. Multiple Choice fibrous pericardium parietal pericardium myocardium endocardium epicardium

parietal pericardium

Which of following is a membrane that covers the heart? Multiple Choice pericardium myocardium epicardium endocardium pericardial cavity

pericardium

The outermost layer of the heart wall, which contains fat that helps cushion the heart, is known as the __________. Multiple Choice myocardium visceral pericardium parietal pericardium endocardium

visceral pericardium

Which of the following is the thickest layer of the heart, which is made up of muscle? Multiple Choice epicardium myocardium endocardium pericardium pericardial cavity

myocardium

Which layer of the heart is the outermost layer, which contains fat to cushion the heart? Multiple Choice epicardium myocardium endocardium pericardium pericardial cavity

epicardium

Which of the following is the innermost layer of the heart, which is thin and smooth? Multiple Choice epicardium myocardium endocardium pericardium pericardial cavity

endocardium

Which of these layers of the heart wall contains Purkinje fibers? Multiple Choice epicardium myocardium endocardium pericardium pericardial cavity

endocardium

Which valve is between the left atrium and left ventricle? Multiple Choice tricuspid bicuspid pulmonary semilunar aortic semilunar right atrioventricular

bicuspid

What is the name of the valve that is also known as the mitral valve? Multiple Choice tricuspid bicuspid pulmonary semilunar aortic semilunar right atrioventricular

bicuspid

The __________ valve is between the right ventricle and the pulmonary trunk. Multiple Choice tricuspid bicuspid pulmonary semilunar aortic semilunar right atrioventricular

pulmonary semilunar

The __________ valve prevents blood from flowing back into the left ventricle. Multiple Choice tricuspid bicuspid pulmonary semilunar aortic semilunar left atrioventricular

aortic semilunar