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Q. No.Persons with 'AB' blood group are called as "Universal recipients". This is due to:
1.
Presence of antibodies, anti-A and anti-B, on RBCs.
2.
Absence of antibodies, anti-A and anti-B, in plasma.
3.
Absence of antigens A and B on the surface of RBCs.
4.
Absence of antigens A and B in plasma.
Subtopic: Blood: Blood Group (A,B,O) |
74%
Level 2: 60%+
NEET - 2021
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Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
| 1. | Epinephrine | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Renin |
Subtopic: Blood: Blood Clotting |
77%
Level 2: 60%+
NEET - 2021
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Erythroblastosis fetalis is caused when:
| 1. | Rh– female & Rh+ male |
| 2. | Rh+ female & Rh– male |
| 3. | Rh+ female & Rh+ male |
| 4. | Rh– female & Rh– male |
Subtopic: Blood: Blood Group |
92%
Level 1: 80%+
AIPMT - 2000
Hints
The correct statement in respect of protein haemoglobin is that it:
| 1. | Maintains blood sugar level |
| 2. | Acts as an oxygen carrier in the blood |
| 3. | Forms antibodies and offers resistance to diseases |
| 4. | Functions as a catalyst for biological reactions |
Subtopic: Blood: General Description & RBC |
85%
Level 1: 80%+
AIPMT - 2004
Hints
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 |
Subtopic: ECG & Coronary Artery Disease |
72%
Level 2: 60%+
AIPMT - 2011
Hints
The haemoglobin content per 100 ml of blood of a normal healthy human adult is:
| 1. | 25-30 g | 2. | 17-20g |
| 3. | 12-16 g | 4. | 5-11 |
Subtopic: Blood: General Description & RBC |
89%
Level 1: 80%+
AIPMT - 2010
Hints
Which of the following conditions causes erythroblastosis fetalis?
| 1. | Mother and fetus |
| 2. | Mother and fetus |
| 3. | Both mother and fetus |
| 4. | Both mother and fetus |
Subtopic: Blood: Blood Group |
89%
Level 1: 80%+
NEET - 2020
Hints
Which of the following is associated with a decrease in cardiac output?
1. Sympathetic nerves
2. Parasympathetic neural signals
3. Pneumotaxic center
4. Adrenal medullary hormones
Subtopic: Regulation of Cardiac Activity |
82%
Level 1: 80%+
NEET - 2020
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | The coagulum is formed of network of threads called thrombins. |
| Statement II: | Spleen is the graveyard of erythrocytes. |
| 1. | Statement I is incorrect but Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct but Statement II is incorrect. |
Subtopic: Blood: Blood Clotting | Blood: General Description & RBC |
69%
Level 2: 60%+
NEET - 2022
Hints
Which one of the following statements is correct?
| 1. | Increased ventricular pressure causes closing of the semilunar valves. |
| 2. | The atrio-ventricular node (AVN) generates an action potential to stimulate atrial contraction. |
| 3. | The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atria. |
| 4. | Blood moves freely from atrium to the ventricle during joint diastole. |
Subtopic: Human Heart: Cardiac Cycle |
51%
Level 3: 35%-60%
NEET - 2022
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