4
MCQ (Single Correct Answer)
Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer.
A
The parasympathetic system stimulates heart rate and stroke volume
B
The sympathetic system stimulates heart rate and stroke volume
C
The parasympathetic system decreases the heart rate but increase stroke volume
D
The sympathetic system decreases the heart rate but increase stroke volume
5
MCQ (Single Correct Answer)
Mark the pair of substances among the following which is essential for coagulation of blood.
A
heparin and calcium ions
B
calcium ions and platlet factors
C
oxalates and citrates
D
platelet factors and heparin
6
MCQ (Single Correct Answer)
ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.
A
Depolarisation of atria
B
Repolarisation of atria
C
Depolarisation of ventricles
D
Repolarisation of ventricles
7
MCQ (Single Correct Answer)
Which of the following type of cells lack nucleus in hormones?
A
RBC
B
Neutrophils
C
Eosinophils
D
Erythrocytes
8
MCQ (Single Correct Answer)
Which one of the following blood cells is involved in antibody production.
A
B-lymphocytes
B
T-lymphocytes
C
RBC
D
neutrophils