Cardiologic Concepts (Exam 1)

Question 1

PR Interval

Answer 1

0.12-0.20s

Question 2

QRS

Answer 2

0.06-0.10s

Question 3

QTc Interval

Answer 3

0.44s

Question 4

Ventricular Depolarization

Answer 4

QRS

Question 5

Depolarization of Atria

Answer 5

P Wave

Question 6

1 Block

Answer 6

0.04s

Question 7

Depolarization is _____.

Answer 7

Slow

Question 8

Repolarization is _____.

Answer 8

Fast

Question 9

ST

Answer 9

0.08s

Question 10

T Wave

Answer 10

0.10s

Question 11

Determine HR Formula

Answer 11

1500 divided by small squares between R waves.

Question 12

P Wave

Answer 12

0.08-0.10s

Question 13

Atrial Contraction Phase 1

Answer 13

AV Valves Open, Semilunar Valves Closed

Rapid flow of blood into the ventricles.

Question 14

Ventricular volumes are maximal.

Answer 14

End-Diastolic Volume

Question 15

What heart sound is sometimes heard during Atrial Contraction Phase 1?

Answer 15

S4 (Stiff Ventricle) common in older adults.

Question 16

Isovolumetric Contraction Phase 2

Answer 16

All Valves Closed

Question 17

What sound is heard during Isovolumetric Contaction Phase 2?

Answer 17

S1 (Closure of AV Valves) Normal sound.

Question 18

What sound is caused by the closure of aortic and pulmonic valves and is heard in Isovolumetric relaxation phase 5?

Answer 18

S2 (Normal Sound)

Question 19

What heart sound is heard during rapid filling phase 6?

Answer 19

S3 (Tensing chordae tendinae and atrioventricular ring) Normal in children not in adults.

Question 20

Rapid Ejection Phase 3

Answer 20

Aortic and Pulmonic Valves Open, AV Valves Closed

Question 21

Reduced Ejection Phase 4

Answer 21

Aortic and Pulmonic Valves Open, AV Valves Closed

Question 22

Isovolumetric Relaxation Phase 5

Answer 22

All Valves Closed

Question 23

The volume of blood that remains in a ventricle is called.

Answer 23

End-Systolic Volume

Question 24

Rapid Filling Phase 6

Answer 24

AV Valves Open

Question 25

Reduced Filling Phase 7

Answer 25

AV Valves Open