#1
Which of the following is NOT a major component of the cardiovascular system?
Liver
ExplanationLiver is not part of the cardiovascular system, it's part of the digestive system.
#2
What is the medical term for high blood pressure?
Hypertension
ExplanationHypertension refers to high blood pressure, a common cardiovascular condition.
#3
Which chamber of the heart receives oxygenated blood from the lungs?
Left atrium
ExplanationThe left atrium receives oxygenated blood from the lungs before pumping it into the left ventricle.
#4
What is the term for the condition where the heart's electrical impulses do not coordinate properly, leading to an irregular heartbeat?
Arrhythmia
ExplanationArrhythmia refers to irregular heart rhythms caused by improper coordination of electrical impulses.
#5
Which of the following vessels carries oxygenated blood away from the heart to the body?
Aorta
ExplanationThe aorta is the main artery that carries oxygenated blood away from the heart to the body.
#6
What is the term for the relaxation phase of the cardiac cycle?
Diastole
ExplanationDiastole is the relaxation phase of the cardiac cycle when the heart chambers fill with blood.
#7
Which of the following codes would be used for a myocardial infarction, commonly known as a heart attack?
I25.10
ExplanationI25.10 is the ICD-10 code for myocardial infarction.
#8
What does the 'I' represent in ICD-10-CM coding?
International
Explanation'I' in ICD-10-CM stands for 'International', indicating its global use.
#9
What term describes the ability of the heart to generate its own electrical impulses?
Automaticity
ExplanationAutomaticity refers to the heart's ability to generate electrical impulses independently.
#10
Which of the following is NOT a risk factor for cardiovascular disease?
High HDL cholesterol
ExplanationHigh HDL cholesterol is considered beneficial for heart health, not a risk factor.
#11
What is the medical term for a blood clot that forms within a blood vessel?
Thrombosis
ExplanationThrombosis is the formation of a blood clot within a blood vessel.
#12
Which of the following terms describes the condition of having an abnormally fast heart rate?
Tachycardia
ExplanationTachycardia refers to a rapid heart rate, often exceeding the normal resting rate.
#13
Which of the following is a common abbreviation for a procedure used to open blocked arteries?
CABG
ExplanationCABG stands for coronary artery bypass grafting, a procedure to restore blood flow to the heart.
#14
What does the term 'dyspnea' refer to in relation to the cardiovascular system?
Shortness of breath
ExplanationDyspnea is a symptom of cardiovascular or respiratory issues, characterized by difficulty breathing.
#15
Which of the following is a common symptom of aortic stenosis?
Angina
ExplanationAngina, or chest pain, is a common symptom of aortic stenosis.
#16
What is the correct CPT code for a cardiac stress test using treadmill exercise?
93000
Explanation93000 is the CPT code for a cardiac stress test using treadmill exercise.
#17
What does the abbreviation 'CAD' stand for in the context of the cardiovascular system?
Coronary artery disease
ExplanationCAD stands for coronary artery disease, a condition involving the narrowing or blockage of coronary arteries.
#18
Which of the following conditions involves the buildup of fatty deposits in the arteries, leading to reduced blood flow?
Atherosclerosis
ExplanationAtherosclerosis is the buildup of plaque in arteries, causing them to narrow and impede blood flow.