$$\text{Blood Pressure} = \text{Systolic Pressure} \text{ (top number)}, \text{Diastolic Pressure} \text{ (bottom number)}$$

Question 1

Which of the following best describes the term 'cardiology'?

Accepted Answer

The study of the heart

Question 2

Which structure is responsible for initiating the electrical impulse that causes the heart to contract?

Accepted Answer

SA node

Question 3

What is the function of the pericardial fluid?

Accepted Answer

To lubricate the heart and reduce friction

Question 4

Which heart valve prevents backflow of blood from the right ventricle to the right atrium?

Accepted Answer

Tricuspid valve

Question 5

During systemic circulation, which vessel carries oxygenated blood from the heart to the body?

Accepted Answer

Aorta

Question 6

Which layer of the heart is responsible for contraction?

Accepted Answer

Myocardium

Question 7

What is the primary function of capillaries?

Accepted Answer

To connect arteries and veins and allow exchange of substances

Question 8

Which of the following best describes vasoconstriction?

Accepted Answer

Narrowing of blood vessels

Question 9

A patient with swelling in the lower legs and feet is most likely experiencing which condition?

Accepted Answer

Peripheral edema due to right-sided heart failure

Question 10

Which of the following is a common sign of myocardial infarction?

Accepted Answer

Dark blue tissues of the myocardium due to lack of oxygenated blood

Question 11

What is the main purpose of valves in veins?

Accepted Answer

To prevent backflow of blood due to gravity

Question 12

Which drug is commonly used to manage hypertension?

Accepted Answer

Beta-blocker

Question 13

What is the correct sequence of blood flow through the heart starting from the right atrium?

Accepted Answer

Right atrium → tricuspid valve → right ventricle → pulmonary valve → pulmonary arteries

Question 14

Which diagnostic procedure uses sound waves to create images of the heart?

Accepted Answer

Echocardiography

Question 15

What is the formula for calculating blood pressure using systolic and diastolic values?

Accepted Answer

$$	ext{Blood Pressure} = 	ext{Systolic Pressure} 	ext{ (top number)}, 	ext{Diastolic Pressure} 	ext{ (bottom number)}$$

Question 16

Which of the following arrhythmias is characterized by a heart rate of 150 beats per minute?

Accepted Answer

Ventricular tachycardia

Question 17

Which surgical procedure involves compressing atheromatous plaque to open the lumen of an artery?

Accepted Answer

Balloon angioplasty

Question 18

Which plant is the original source of digitalis drugs used to treat heart conditions?

Accepted Answer

Foxglove (Digitalis purpurea)

Question 19

What is the primary function of the coronary arteries?

Accepted Answer

To supply oxygenated blood to the myocardium

Question 20

Which of the following best describes the relationship between the heart and lungs?

Accepted Answer

The heart and lungs are closely connected through the cardiopulmonary circulation

Cardiovascular System: Medical Terminology and Anatomy Study Guide

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