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Q. No.
Assertion (A):
The walls of ventricles are much thicker than that of the atria.
Reason (R):
Ventricles pump blood to different organs and the pressure with which the blood flows through them is much more than the auricles.
In the light of above statements, choose the correct option.
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: Human Heart: Double Circulation |
86%
Level 1: 80%+
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To obtain a standard ECG, a patient is connected to the machine with three electrical leads attached one to each ‘A’ and to the ‘B’. Select the option correctly representing A and B.
| A | B | |
| 1. | Wrist | Left chest region |
| 2. | Ankle | Left wrist |
| 3. | Wrist | Left ankle |
| 4. | Ankle | Left chest region |
Subtopic: ECG & Coronary Artery Disease |
86%
Level 1: 80%+
Please attempt this question first.
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Please attempt this question first.
Select the correct statement from the following with respect to blood plasma.
| 1. | 6-8% of plasma is water and 90-92% is protein. |
| 2. | Serum is plasma along with clotting factors. |
| 3. | Blood without plasma is lymph. |
| 4. | Plasma constitutes nearly 55% of blood. |
Subtopic: Blood: General Description & RBC |
80%
Level 1: 80%+
Please attempt this question first.
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Please attempt this question first.
| Assertion (A): | Lymph consists of WBCs, plasma proteins and RBCs. |
| Reason: (R): | Lymph lack cells. |
| 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: Lymph |
80%
Level 1: 80%+
Hints
| Assertion (A): | The cardiac output of a normal human is greater than an athelete. |
| Reason (R): | The stroke volume of a normal men is greater than an athelete. |
| 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: Human Heart: Cardiac Cycle |
85%
Level 1: 80%+
Hints
| Assertion (A): | The neural signals through the sympathetic nerves increase the heart-beat, thereby decreasing the cardiac output. |
| Reason (R): | Adrenalin secretion drastically decrease cardiac output. |
| 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: Regulation of Cardiac Activity |
84%
Level 1: 80%+
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| Assertion (A): | Lymph is called the 'middle man' of body. |
| Reason (R): | Exchange of nutrients, gases and other materials between blood and the cells always occur through this fluid. |
| 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: Lymph |
88%
Level 1: 80%+
Hints
| Assertion (A): | RBCs contain a red-colored complex protein called hemoglobin. |
| Reason (R): | RBCs are devoid of nucleus in most of the mammals and are biconcave in shape. |
| 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: Blood: General Description & RBC |
79%
Level 2: 60%+
Hints
| Assertion (A): | 'O' group individuals are called universal donors. |
| Reason (R): | Group 'O' blood can be donated to persons with any other blood group. |
| 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: Blood: Blood Group (A,B,O) |
89%
Level 1: 80%+
Hints
| Assertion (A): | Nearly 20% of humans have Rh antigens. |
| Reason (R): | Rh antigen is named after Rhesus monkeys. |
| 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: Blood: Blood Group |
79%
Level 2: 60%+
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