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#1.
The time required for one cardiac cycle is:
0.12 sec
0.12 sec
0.35 sec
0.35 sec
0.5 sec
0.5 sec
0.8 sec
0.8 sec
#2.
The total ventricular filling time is:
0.38 sec
0.38 sec
0.25 sec
0.25 sec
0.32 sec
0.32 sec
0.22 sec
0.22 sec
#3.
First heart sound is due to:
Sudden closure of the AV valve
Sudden closure of the AV valve
Sudden closure of semi-lunar valve
Sudden closure of semi-lunar valve
Contraction of atria
Contraction of atria
Sudden rush of arterial blood into ventricle
Sudden rush of arterial blood into ventricle
#4.
The duration of second heart sound is:
0.08-0.10 sec
0.08-0.10 sec
0.05-0.10 sec
0.05-0.10 sec
0.1-0.14 sec
0.1-0.14 sec
0.01-0.06 sec
0.01-0.06 sec
#5.
The slow repolarization of the intra-ventricular septum produces:
P wave
P wave
U wave
U wave
Q wave
Q wave
S wave
S wave
#6.
The conduction time from SA node to ventricle is denoted by:
PR interval
PR interval
QT interval
QT interval
TP interval
TP interval
PP interval
PP interval
#7.
The average cardiac index is:
5.2 litres/min/m2
5.2 litres/min/m2
4.8 litres/min/m2
4.8 litres/min/m2
3.3 litres/min/m2
3.3 litres/min/m2
2.6 litres/min/m2
2.6 litres/min/m2
#8.
The increase of pulse during inspiration and fall during expiration occurs in:
Pulsus paradoxus
Pulsus paradoxus
Pulsus altemans
Pulsus altemans
Sinus arrhythmia
Sinus arrhythmia
Pulsus bisferiens
Pulsus bisferiens
#9.
The total oxygen consumption of brain is:
200 ml/min/100 gm
200 ml/min/100 gm
300 ml/min/100 gm
300 ml/min/100 gm
150 ml/min/100 gm
150 ml/min/100 gm
50 ml/min/100 gm
50 ml/min/100 gm
#10.
The capillary pressure in pulmonary artery is:
60 mmHg
60 mmHg
25 mmHg
25 mmHg
100 mm Hg
100 mm Hg
80 mm Hg
80 mm Hg
#11.
The average blood flow through myocardium is:
40 ml/100 gm/min
40 ml/100 gm/min
80 ml/100 gm/min
80 ml/100 gm/min
220 ml/100 gm/min
220 ml/100 gm/min
250 ml/100 gm/min
250 ml/100 gm/min
#12.
Capacitance vessels are:
Arteries
Arteries
Veins
Veins
Metarterioles
Metarterioles
Capillaries
Capillaries
#13.
Total ventricular systolic time is denoted by:
PP interval
PP interval
RR interval
RR interval
QT interval
QT interval
PR interval
PR interval
#14.
The peripheral resistance indicate:
Diastolic blood pressure
Diastolic blood pressure
Systolic blood pressure
Systolic blood pressure
Pulse pressure
Pulse pressure
None of the above
None of the above
#15.
The resting blood flow of muscle which is 7-9/ml/100 gm tissue is increased to during exercise:
About 20 ml/100 gm tissue
About 20 ml/100 gm tissue
About 50 ml/100 gm tissue
About 50 ml/100 gm tissue
About 60 ml/100 gm tissue
About 60 ml/100 gm tissue
More than 100 ml/100 gm tissue
More than 100 ml/100 gm tissue
#16.
Respiratory quotient during moderate exercise more or less same as resting state is:
0.69 to 0.79
0.69 to 0.79
0.85 to 0.89
0.85 to 0.89
0.55 to 0.65
0.55 to 0.65
0.25 to 0.35
0.25 to 0.35
#17.
During severs exercise the lactate content of blood goes up to (resting state is 10-20 mg/%):
20.40 mg%
20.40 mg%
40 to 50 mg%
40 to 50 mg%
50 to 70 mg%
50 to 70 mg%
100-200 mg%
100-200 mg%
#18.
Average venous pressure of human being in recumbent position is about:
0-5 cmH2O
0-5 cmH2O
60-120 cm H2O
60-120 cm H2O
5-20 cm H2O
5-20 cm H2O
180-350 cm H2O
180-350 cm H2O
#19.
Rate of conduction (metre) in SA node is:
0.05 per sec
0.05 per sec
0.1 per sec
0.1 per sec
1.0 per sec
1.0 per sec
0.4 per sec
0.4 per sec
#20.
The normal direction of mean cardiac vector ranges from:
-60 to -30 degree
-60 to -30 degree
60 to 120 degree
60 to 120 degree
110 to 18 degree
110 to 18 degree
-30 to 110 degree
-30 to 110 degree
#21.
Baroreceptor regulate blood pressure in pressure range of:
60 to 200 mm Hg
60 to 200 mm Hg
50 to 200 mm Hg
50 to 200 mm Hg
80 to 120 mm Hg
80 to 120 mm Hg
60 to 100 mm Hg
60 to 100 mm Hg
#22.
Increase distension of ventricle due to excess ventricular filling leads to:
Tachycardias, vasodilatation, hypertension
Tachycardias, vasodilatation, hypertension
Bradycardia and vasoconstriction
Bradycardia and vasoconstriction
Bradycardia, vasodilatation and hypotension
Bradycardia, vasodilatation and hypotension
All of the above
All of the above
#23.
Endothelium derive relaxing factor produces:
Contraction of vascular smooth muscle and reduces blood pressure
Contraction of vascular smooth muscle and reduces blood pressure
Relaxation of vascular smooth muscle and increases blood pressure
Relaxation of vascular smooth muscle and increases blood pressure
Relaxation of vascular smooth muscle and decreased blood pressure
Relaxation of vascular smooth muscle and decreased blood pressure
It has no effect on smooth on used
It has no effect on smooth on used
#24.
High output failure occurs in all conditions, except:
Beriberi
Beriberi
Paget’s disease
Paget’s disease
Tuberculosis
Tuberculosis
Arteriovenous fistula
Arteriovenous fistula
#25.
Endotoxin released by bacteria producing vasodilatation may lead to:
Neurogenic shock
Neurogenic shock
Obstructive shock
Obstructive shock
Septic shock
Septic shock
Endotoxic shock
Endotoxic shock
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