- 1(current)
Q. No.Match List I with List II
Choose the correct answer from the options given below:
| List I | List II |
| A. Bicuspid (mitral) valve | I. Between right atrium and right ventricle |
| B. Aortic semilunar valve | II. Between left atrium and left ventricle |
| C. Tricuspid valve | III. Between right ventricle and pulmonary artery |
| D. Pulmonary semilunar valve | IV. Between left ventricle and aorta |
| 1. | A - II, B - IV, C - III, D - I |
| 2. | A - II, B - IV, C - I, D - III |
| 3. | A - III, B - I, C - I, D - IV |
| 4. | A - II, B - III, C - IV, D - I |
Subtopic: Â Human Heart: Gross Anatomy |
 88%
Level 1: 80%+
Hints
Read the given statements carefully:
How many of the given statements are correct?
1. Three
2. Four
3. Two
4. One
| A. | RBCs are devoid of nucleus in most of the mammals and are biconvex in shape. |
| B. | Lymph has the same mineral distribution as that in plasma. |
| C. | By counting the number of QRS complexes in ECG that occur in a given time period, one can determine the heartbeat rate of an individual. |
| D. | Heart is an endodermally derived organ. |
1. Three
2. Four
3. Two
4. One
Subtopic: Â Human Heart: Gross Anatomy |Â ECG & Coronary Artery Disease |Â Lymph |Â Blood: General Description & RBC |
 63%
Level 2: 60%+
Hints
Consider the following statements and select the option that correctly states them as true(T) or false(F).
a. The human heart normally beats 70-75 times in a minute.
b. A healthy human breathes 12-16 times/minute, on an average.
c. On an average, 1000 mL - 1200 mL of blood is filtered by each kidney per minute.
d. About 30 percent of starch is hydrolysed into lactose by salivary amylase.
a b c d
1. T T T T
2. T T F F
3. F F T T
4. F T T F
a. The human heart normally beats 70-75 times in a minute.
b. A healthy human breathes 12-16 times/minute, on an average.
c. On an average, 1000 mL - 1200 mL of blood is filtered by each kidney per minute.
d. About 30 percent of starch is hydrolysed into lactose by salivary amylase.
a b c d
1. T T T T
2. T T F F
3. F F T T
4. F T T F
Subtopic: Â Human Heart: Gross Anatomy |
Level 3: 35%-60%
Hints
Read the given statements and select the correct option.
| Statement A | Human heart is protected by a triple walled membranous bag, pericardium, enclosing the pericardial fluid. |
| Statement B | Leucocytes are enucleated and relatively lesser in number which average 6000- 8000 mm-3 of blood. |
| 1. | Both statements A and B are correct |
| 2. | Both statements A and B are incorrect |
| 3. | Only statement A is correct |
| 4. | Only statement B is correct |
Subtopic: Â Human Heart: Gross Anatomy |
 62%
Level 2: 60%+
Hints
| Assertion (A): | Human heart is myogenic. |
| Reason (R): | Entire human heart is made up of a cardiac muscles. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Human Heart: Gross Anatomy |
 62%
Level 2: 60%+
Hints
| Assertion (A): | Foetal heart contains mixed blood. |
| Reason (R): | In foetus, pure blood gets mixed with impure blood through the foramen ovale present in the interatrial septum. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Human Heart: Gross Anatomy |
Level 4: Below 35%
Hints
| Assertion (A): | SA-node is called pacemaker. |
| Reason (R): | SA node generates least number of action potentials to initiate rhythmic contraction of heart. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Human Heart: Gross Anatomy |Â Rhythmic Excitation of Human Heart: Part 1 |Â Rhythmic Excitation of Human Heart: Part 2 |
 89%
Level 1: 80%+
Hints
What prevents the atria and the ventricles from contracting at the same time?
| 1. | Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. |
| 2. | It takes time for epinephrine to diffuse from the atria to the ventricles to trigger contraction |
| 3. | The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. |
| 4. | The Na+ channels responsible for initiating ventricular contraction are inactivated and need to return to activated configuration to the electrically stimulated. |
Subtopic: Â Human Heart: Gross Anatomy |Â Human Heart: Cardiac Cycle |Â Rhythmic Excitation of Human Heart: Part 1 |Â Rhythmic Excitation of Human Heart: Part 2 |
 75%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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