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Cardiovascular System

Cardiovascular System

Assessment

Presentation

Science

University

Practice Problem

Hard

NGSS
HS-PS2-5

Standards-aligned

Created by

Harini narayanam

Used 1K+ times

FREE Resource

0 Slides • 10 Questions

1

Multiple Choice

Question image

Name the event that happens at part labelled 1.

1

Pacemaker potential

2

Depolarization

3

Repolarization

4

Hyperpolarization

2

Multiple Choice

Which of the following values represents the firing rate of SA node?

1

70-80 Ap/min

2

50-60 AP/min

3

40-60 AP/min

4

20-40 AP/min

3

Multiple Choice

Question image

Name the phase that happens at part labelled 1?

1

Depolarization

2

Mild repolarization

3

Plateau

4

Repolarization

4

Multiple Choice

Question image

The phase labelled 2 is because of which of the following ?

1

Influx of sodium ions

2

Efflux of potassium

3

Influx of calcium ions

4

sodium-potassium ATPAse

5

Multiple Choice

Which of the following events produces the first heart sound ?

1

Opening of Av valves

2

Closing of AV valves

3

Opening of Semilunar valves

4

Closing of semilunar valves

6

Multiple Select

Second heart sound is heard clearly at which areas of the heart? Mark all that applies.

1

Aortic area

2

Tricuspid area

3

Mitral area

4

Pulmonary area

7

Multiple Choice

The 'P' wave in an ECG represents which of the following events ?

1

ventricular repolarization

2

atrial repolarization

3

ventricular depolarization

4

atrial depolarization

8

Multiple Choice

Which of the following values represents the stroke volume in a normal adult ?

1

50 ml

2

60 ml

3

70 ml

4

80 ml

9

Multiple Select

which of the following may cause congestive heart failure ? Select all that apply.

1

Coronary atherosclerosis

2

Low blood pressure

3

myocardial infarcts

4

Bradycardia

10

Multiple Choice

Which of the following is responsible for the plateau phase in ventricular action potential ?

1

Influx of sodium

2

Influx of Potassium

3

Influx of magnesium

4

Influx of calcium

Question image

Name the event that happens at part labelled 1.

1

Pacemaker potential

2

Depolarization

3

Repolarization

4

Hyperpolarization

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