21
An adult human with average health has systolic and diastolic pressures as
Answer: 120 mm Hg and 80 mm Hg
Questions
26
Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
Answer: Valves
27
Short-lived immunity acquired from mother to foetus across placenta or through mother’s milk to the infant is categorised as
Answer: Passive Immunity
28
In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
Answer: AB
29
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
Answer: Sinuatrial Node
30
You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these will you not use for the purpose?
Answer: Test Tube Containing Heparin
32
Which one of the following has an open circulatory system?
Answer: Periplaneta
33
One of the factors required for the maturation of erythrocytes is
Answer: vitamin - B12
34
The thick muscular projections on the walls of the ventricle are called
Answer: Columnae carneae
35
When type B agglutinogen is not present on the surface of RBC of a person, his plasma would contain ____ agglutinins.
Answer: Anti-b
36
Oxalates and citrates are used as anticoagulants in stored blood because they:
Answer: Chelate calcium ions
38
A person with AB blood group:
Answer: Can receive blood transfusion from a person of his own group
39
The inter-atrial septum in the human heart can be best described as:
Answer: A thin muscular wall
40
What percentage of ventricular filling is achieved by atrial contraction?
Answer: 30
