Question 1

Which heart valve is best auscultated at the 2nd intercostal space at the right sternal margin?

Accepted Answer

Aortic valve

Question 2

When checking for a radial pulse, which fingers should you use and why?

Accepted Answer

Index and middle fingers, to avoid feeling your own pulse

Question 3

Which vessel is NOT a major artery of the arm?

Accepted Answer

Cephalic vein

Question 4

Which of the following best describes the sequence of electrical conduction in the heart?

Accepted Answer

SA node → AV node → Bundle branches → Purkinje fibers

Question 5

During which phase of the cardiac cycle does the ventricular pressure rapidly increase but the volume does not change?

Accepted Answer

Isovolumetric contraction

Question 6

Which ECG wave corresponds to ventricular depolarization?

Accepted Answer

QRS complex

Question 7

A patient presents with a heart rate of 45 beats/min. Which term best describes this condition?

Accepted Answer

Bradycardia

Question 8

Which nervous system structure is primarily responsible for decreasing heart rate?

Accepted Answer

Vagus nerve

Question 9

What is the main function of the brachiocephalic trunk?

Accepted Answer

It supplies blood to the right arm and right side of the head

Question 10

Which event immediately follows the T wave on an ECG?

Accepted Answer

Ventricular relaxation (diastole)

Question 11

A patient’s ECG shows uncoordinated, rapid, and irregular electrical activity with no clear QRS complexes. What is the most likely diagnosis?

Accepted Answer

Ventricular fibrillation

Question 12

Which of the following is true regarding the cardiac cycle?

Accepted Answer

Electrical activity triggers mechanical contraction

Question 13

Which heart sound (S1 or S2) is associated with the closure of the mitral and tricuspid valves?

Accepted Answer

S1

Question 14

Which artery is palpated on the thumb side of the wrist?

Accepted Answer

Radial artery

Question 15

Which of the following best describes the effect of sympathetic stimulation on the heart?

Accepted Answer

Increases heart rate and force of contraction

Question 16

During which phase of the cardiac cycle does the ventricular volume reach its maximum (EDV)?

Accepted Answer

Atrial systole

Question 17

Which vein is commonly used for venipuncture in the antecubital fossa?

Accepted Answer

Median cubital vein

Question 18

A patient’s ECG shows a prolonged PR interval but all impulses are conducted to the ventricles. What is the diagnosis?

Accepted Answer

First-degree heart block

Question 19

Which of the following equations correctly represents cardiac output ($$CO$$)?

Accepted Answer

$$CO = HR 	imes SV$$

Question 20

Which vessel carries oxygenated blood from the heart to the body?

Accepted Answer

Aorta

ECG and Peripheral Circulation: Study Guide for ANP College Students

Study Guide - Practice Questions