$$\text{Blood Pressure} = \text{Cardiac Output} \times \text{Resistance}$$

Question 1

Which layer of the heart is responsible for generating the force needed to pump blood throughout the body?

Accepted Answer

Myocardium

Question 2

A patient presents with severe chest pain and constriction around the heart due to myocardial ischemia. What is the medical term for this condition?

Accepted Answer

Angina pectoris

Question 3

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

Accepted Answer

Tricuspid valve

Question 4

During the cardiac cycle, what does the term 'systole' refer to?

Accepted Answer

Contraction phase pushing blood forward

Question 5

Which vessel carries oxygenated blood from the lungs to the left atrium?

Accepted Answer

Pulmonary vein

Question 6

A patient is diagnosed with a congenital septal defect (CSD). What is the primary consequence of this defect?

Accepted Answer

Mixing of oxygenated and deoxygenated blood

Question 7

Which of the following is NOT a function of the cardiovascular system?

Accepted Answer

Producing hormones for metabolism

Question 8

What is the correct sequence for the conduction system of the heart?

Accepted Answer

SA node → AV node → Bundle of His → Bundle branches → Purkinje fibers

Question 9

Which of the following best describes the function of capillaries?

Accepted Answer

Connect arteries and veins, allowing exchange of gases and nutrients

Question 10

A patient experiences a sudden drop in blood pressure when standing up. What is the medical term for this condition?

Accepted Answer

Orthostatic hypotension

Question 11

Which equation best represents the relationship between blood pressure, cardiac output, and resistance?

Accepted Answer

$$	ext{Blood Pressure} = 	ext{Cardiac Output} 	imes 	ext{Resistance}$$

Question 12

Which of the following is a hallmark of atherosclerosis?

Accepted Answer

Yellow, fatty deposit of lipids called plaque

Question 13

A patient is found to have a blood clot within a blood vessel that may occlude the vessel. What is the medical term for this?

Accepted Answer

Thrombus

Question 14

Which instrument is used to measure blood pressure?

Accepted Answer

Sphygmomanometer

Question 15

Which of the following best describes the function of the sinoatrial (SA) node?

Accepted Answer

Initiates the electrical impulse that triggers atrial contraction

Question 16

Which of the following conditions is characterized by quivering of heart fibers and can lead to cardiac arrest?

Accepted Answer

Fibrillation

Question 17

A patient with congestive heart failure (CHF) is most likely to experience which of the following symptoms?

Accepted Answer

Weakness, breathlessness, and edema

Question 18

Which of the following is true about veins?

Accepted Answer

They have valves to prevent backflow and carry blood toward the heart

Question 19

Which cardiac function test involves a portable ECG monitor worn by a patient for several days?

Accepted Answer

Holter monitor

Question 20

A patient is diagnosed with tetralogy of Fallot. Which of the following is NOT one of the four anomalies associated with this condition?

Accepted Answer

Hypertrophy of left ventricle

The Cardiovascular System: Structure, Function, and Medical Terminology

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