Q. No.Compared to blood our lymph has
1. More RBCs and less WBCs
2. No plasma
3. Plasma without proteins
4. More WBCs and no RBCs
1. More RBCs and less WBCs
2. No plasma
3. Plasma without proteins
4. More WBCs and no RBCs
If due to some injury, the chordae tendineae of the tricuspid valve of the human heart are partially non-functional, what will be the immediate effect?
1. The blood will tend to flow back into the left atrium
2. The flow of blood into the pulmonary artery will be reduced
3. The flow of blood into aorta will be slowed down
4. The pacemaker will stop working
Given below are four statements (a-d) regarding human blood circulatory system:
| (a) | Arteries are thick-walled and have narrow lumen as compared to veins. |
| (b) | Angina is acute chest pain when the blood circulation to the brain is reduced. |
| (c) | Persons with blood group AB can donate blood to any person with any blood group under the ABO system. |
| (d) | Calcium ions play a very important role in blood clotting. |
Which two of the above statements are correct?
| 1. (a) and (b) | 2. (b) and (c) |
| 3. (c) and (d) | 4. (a) and (d) |
The hemoglobin content per 100 mL of blood of a normal healthy human adult is
1. 25-30 g
2. 17-20 g
3. 12-16 g
4. 5-11 g
Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?
| 1. | Peak P- Initiation of left atrial contraction only |
| 2. | Complex QRS- One complete pulse |
| 3. | Peak T- Initiation of total cardiac contraction |
| 4. | Peak P and Peak R together- systolic and diastolic blood pressures |
Which one of the following human organs is often called the "graveyard" of RBCs?
1. Spleen
2. Liver
3. Gall bladder
4. Kidney
Match the items given in Column I with those in Column II and select the correct option given below:
| Column – I | Column – II | ||
| (a) | Tricuspid valve | (i) | Between left atrium and left ventricle |
| (b) | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
| (c) | Semilunar valve | (iii) | Between right atrium and right ventricle |
Codes:
| (a) | (b) | (c) | |
| 1. | (i) | (ii) | (iii) |
| 2. | (i) | (iii) | (ii) |
| 3. | (iii) | (i) | (ii) |
| 4. | (ii) | (i) | (iii) |
Most cases of CAD result from:
| 1. | Angina pectoris | 2. | Myocardial infarction |
| 3. | Atherosclerosis | 4. | Heart failure |
Which among the following is correct during each cardiac cycle?
| 1. | The volume of blood pumped by right and left ventricles is same |
| 2. | The volume of blood pumped by right and left ventricles is different |
| 3. | The volume of blood received by right and left atria is different |
| 4. | The volume of blood received by pulmonary arteries and aorta is different |
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