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Q. No.A:
There is a slight time difference between atrial filling and the ejection of blood
from ventricle.
R:
First of all SA node generate impulse for atria filling and after that impulse travel
to purkinje fibers for ventricular contraction.
In
the following questions a statement of assertion (A) is followed by a statement
of reason (R).
1. If both Assertion & Reason are true and the reason
is the correct explanation of the assertion, then mark (1)
2. If both Assertion
& Reason are true but the reason is not the correct explanation of the assertion,
then mark (2)
3. If Assertion is true statement but Reason is false, then
mark (3)
4. If both Assertion and Reason are false statements, then mark
(4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Human Heart: Double Circulation |
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Which of the following would occur if an impulse from the SA node were blocked before it reaches the AV node?
1. The heart would not contract
2. Only the atria would contract
3. Only the ventricle would contract
4. Blood would travel only to the pulmonary system
1. The heart would not contract
2. Only the atria would contract
3. Only the ventricle would contract
4. Blood would travel only to the pulmonary system
Subtopic: Rhythmic Excitation of Human Heart: Part 1 | Rhythmic Excitation of Human Heart: Part 2 |
63%
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Assertion (A): In ECG by counting the number of QRS complexes, that occur in a given time period, one can determine the heart beat rate of an individual.
Reason (R): The QRS complex represents the depolarization of the ventricles which initiate the ventricular contraction.
In light of the two statements given above, mark the correct option:
1. Both A & R are true and R is the correct explanation of A.
2. Both A & R are true but R is not the correct explanation of A
3. A is true statement but R is false
4. Both A and R are false statements
Reason (R): The QRS complex represents the depolarization of the ventricles which initiate the ventricular contraction.
In light of the two statements given above, mark the correct option:
1. Both A & R are true and R is the correct explanation of A.
2. Both A & R are true but R is not the correct explanation of A
3. A is true statement but R is false
4. Both A and R are false statements
Subtopic: ECG & Coronary Artery Disease |
67%
From NCERT
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The relationship between blood pressure (bp), cardiac output (co), and peripheral resistance (pr) can be expressed as bp = co ´ pr. All of the following changes would result in an increase in blood pressure except.
1. increase in the stroke volume
2. increase in the heart rate
3. increase in the duration of ventricle diastole
4. contraction of the arteriolar smooth muscle.
1. increase in the stroke volume
2. increase in the heart rate
3. increase in the duration of ventricle diastole
4. contraction of the arteriolar smooth muscle.
Subtopic: Human Heart: Cardiac Cycle |
55%
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A: Vital
capacity of an athlete is more than a normal person.
R: Alveolar dead space is less in an athlete than a normal person
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: Alveolar dead space is less in an athlete than a normal person
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Human Heart: Double Circulation | Human Heart: Cardiac Cycle |
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A: Opening
and closing of Atrio-venticular valve depends upon ventricular pressure.
R: Bicuspid and tricuspid valve prevent back flow of blood from ventricle to atria
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: Bicuspid and tricuspid valve prevent back flow of blood from ventricle to atria
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Human Heart: Double Circulation |
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A: Ventricles
are fails to contract if SA node does not initiate the impulse.
R: AV node only works when it receive the impulse from SA node.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: AV node only works when it receive the impulse from SA node.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Human Heart: Double Circulation |
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A woman is tested for hemoglobin level in her blood and reports showed that the level of Hg is 9 gm in 100 ml of blood. It indicates:
1. Normal level
2. More than normal level
3. Less than normal level
4. Very less than normal level
1. Normal level
2. More than normal level
3. Less than normal level
4. Very less than normal level
Subtopic: Blood: General Description & RBC |
83%
From NCERT
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If your blood group is not agglutinated with monoclonal anti-A and anti-B while testing in a lab to determine your blood group, which of the following reasons is correct?
1. No antigens - A & B is present
2. Only antigen - A is present
3. Antigen - B is present
4. Both antigens - A & B are present
1. No antigens - A & B is present
2. Only antigen - A is present
3. Antigen - B is present
4. Both antigens - A & B are present
Subtopic: Blood: White Blood Cells | Blood: Blood Group (A,B,O) |
62%
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Which of the following combination is correctly related to ECG?
A. It is a graphical representation of electric activity
B. Each peak is identified with a letter
C. Each peak is identified with numbers
D. Multiple leads are attached to the chest region
E. Single lead is attached to the chest region
Choose the correct answer from the options given below:
1. A & E only
2. B, C, D only
3. A, B, D only
4. A only
A. It is a graphical representation of electric activity
B. Each peak is identified with a letter
C. Each peak is identified with numbers
D. Multiple leads are attached to the chest region
E. Single lead is attached to the chest region
Choose the correct answer from the options given below:
1. A & E only
2. B, C, D only
3. A, B, D only
4. A only
Subtopic: ECG & Coronary Artery Disease |
88%
From NCERT
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