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
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 |
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
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
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
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
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. |
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
1. Epinephrine
2. Thrombokinase
3. Thrombin
4. Renin
Match the following columns and select the correct option:
Column-I | Column-I | ||
(a) | Eosinophils | (i) | Immune response |
(b) | Basophils | (ii) | Phagocytosis |
(c) | Neutrophils | (iii) | Release histaminase, destructive enzymes |
(d) | Lymphocytes | (iv) | Release granules containing histamine |
(a) | (b) | (c) | (d) | |
1. | (iv) | (i) | (ii) | (iii) |
2. | (i) | (ii) | (iv) | (iii) |
3. | (ii) | (i) | (iii) | (iv) |
4. | (iii) | (iv) | (ii) | (i) |
The QRS complex in a standard ECG represents:
1. Depolarisation of auricles
2. Depolarisation of ventricles
3. Repolarisation of ventricles
4. Repolarisation of auricles