NCERT Body Fluids Circulation model,grand,mock tests papers,pdfs,mcqs

Body Fluids and Circulation Mock Test-8

Question No:1

Heartbeat increases

[A] on stimulation of sympathetic nerves
[B] on stimulation of vagus nerve (parasympathetic nerve)
[C] by adrenalin secreted by adrenal medulla
[D] both (a) and (c)



Question No:2

Select the total number of incorrect matching from the following:
(A) ECG-Electro Cardio Gram
(B) AVN-A trio Ventricular Node
(C) SAN-Sino Atrial Node
(D) WBC-White Blue Cells
(E) RBC-Red Blood Cells

[A] 1
[B] 2
[C] 3
[D] 4



Question No:3

Heartbeat is accelerated by

[A] Sympathetic nerves and acetylcholine
[B] Cranial nerves and adrenaline
[C] Cranial nerves and acetylcholine
[D] Sympathetic nerves and epinephrine



Question No:4

Body has the capacity to alter

[A] stroke volume
[B] heart rate
[C] cardiac output
[D] all



Question No:5

To obtain standard ECG a patient is connect to the machine with three electrical leads attached to the following parts except

[A] right wrist
[B] left wrist
[C] right ankle
[D] left ankle



Question No:6

Find out the incorrect statement from the following:

[A] ECG is a graphical representation of the electrical activity of the heart during cardiac cycle
[B] For a detailed evaluation of heart’s function, multiple leads are attached to the chest region (chest leads)
[C] P, R, T are +ve wave whereas Q and S are -ve wave in standard ECG
[D] Starting of T-wave marks the end of systole of ventricles



Question No:7

Select the correct statement from the following:

[A] ECG is of great clinical insignificance
[B] By counting the number of QRS complexes (in given tune period), we can find pulse rate
[C] The contraction of atria starts with starting of Q wave
[D] T-wave represent repolarization of atria



Question No:8

Electrocardiogram is a measure of

[A] heart rate
[B] ventricular contraction
[C] volume of blood pumped
[D] electrical activity of heart



Question No:9

P-wave represents

[A] depolarization of ventricles
[B] repolarization of ventricle
[C] repolarization of atria
[D] depolarization of atria



Question No:10

QRS complex represents the

[A] depolarization of ventricles
[B] repolarization of ventricles
[C] repolarization of atria
[D] depolarization of atria



Question No:11

T-wave on an ECG represents

[A] depolarization of ventricles
[B] repolarization of ventricles
[C] repolarization of atria
[D] depolarization of atria



Question No:12

In an adult, normal blood pressure is

[A] 80/120 mmHg
[B] 100/80 mm Hg
[C] 120/80 mmHg
[D] 100/120 mmHg



Question No:13

Normal BP = 120/80 mmHg in an adult. In this measurement 120 mmHg is the ______ pressure and 80 mmHg is ______ pressure

[A] Diastolic, systolic
[B] Systolic, diastolic
[C] Pulse, diastolic
[D] Pulse, systolic



Question No:14

The difference of blood pressure between systolic and diastolic phase is

[A] 10mmHg
[B] 40mmHg
[C] 120mmHg
[D] 180mmHg



Question No:15

Which one indicates hypertension?

[A] 120/80 mmHg
[B] 80/120 mmHg
[C] 140/90 mmHg
[D] 40/60 mmHg