Question 1

Which layer of the heart is responsible for the contractile force that pumps blood throughout the body?

Accepted Answer

Myocardium

Question 2

A patient presents with a blowing, swooshing sound heard during auscultation of the heart. What is the most likely cause of this sound?

Accepted Answer

Turbulent blood flow through the heart or great vessels

Question 3

Which heart sound is associated with the closure of the atrioventricular (AV) valves and marks the beginning of systole?

Accepted Answer

S1

Question 4

A 68-year-old patient is found to have an S3 heart sound. What does this finding most likely indicate?

Accepted Answer

Heart failure

Question 5

Which of the following best describes the function of the SA node in the heart?

Accepted Answer

It initiates the electrical impulse that sets the pace for the heart rate.

Question 6

During the cardiac cycle, which phase is characterized by ventricular relaxation and filling with blood?

Accepted Answer

Diastole

Question 7

A patient with left-sided heart failure is most likely to present with which of the following symptoms?

Accepted Answer

Dyspnea, orthopnea, and pulmonary crackles

Question 8

Which of the following is a normal adaptation of the cardiovascular system during pregnancy?

Accepted Answer

Increased cardiac output

Question 9

Auscultation at the left lower sternal border reveals a high-pitched, scratchy sound that is best heard with the diaphragm of the stethoscope while the patient leans forward and holds their breath in expiration. What is this sound most likely?

Accepted Answer

Pericardial friction rub

Question 10

Which of the following best describes the function of the foramen ovale in fetal circulation?

Accepted Answer

Allows blood to flow from the right atrium to the left atrium

Question 11

A patient reports waking up at night with sudden shortness of breath and needing to sit upright to breathe. Which term best describes this symptom?

Accepted Answer

Paroxysmal nocturnal dyspnea (PND)

Question 12

Which of the following laboratory tests is most specific for diagnosing acute myocardial infarction?

Accepted Answer

Troponin I

Question 13

Which of the following best describes afterload in cardiac physiology?

Accepted Answer

The resistance the left ventricle must overcome to circulate blood

Question 14

A 75-year-old patient has increased systolic blood pressure and left ventricular wall thickness. Which of the following best explains these findings?

Accepted Answer

Normal aging changes in the cardiovascular system

Question 15

Which of the following is the correct sequence of electrical conduction through the heart?

Accepted Answer

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

Question 16

A patient presents with dependent edema, jugular venous distension, and hepatomegaly. Which type of heart failure is most likely?

Accepted Answer

Right-sided heart failure

Question 17

Which of the following best describes the function of the carotid artery during a physical exam?

Accepted Answer

Reflects activity of the left side of the heart

Question 18

Which auscultatory area is located at the 5th intercostal space at the midclavicular line?

Accepted Answer

Mitral area

Question 19

A patient with a history of hypertension presents with an S4 heart sound. What does this finding most likely indicate?

Accepted Answer

Abnormal finding associated with decreased ventricular compliance

Question 20

Which of the following equations correctly represents cardiac output?

Accepted Answer

$$CO = SV 	imes HR$$

Heart and Neck Vessels: Medical Terminology Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards