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WorksheetsBody Fluids and Circulation - Quiz 11
Total questions: 10
Worksheet time: 3mins
Heart receives
Pure Blood
Venous Blood
Mixed Blood
Impure Blood
The duration of cardiac cycle in a normal man is –
0.8 seconds
80 seconds
60 seconds
72 seconds
Cardiac output is determined by –
Heart rate
Stroke volume
Blood flow
Both a and b
Electrocardiogram is a measure of –
Heart rate
Ventricular contraction
Volume of blood pumped
Electrical activity of heart
Cardiac centre can moderate the cardiac functions through
Somatic neural system
Parasympathetic nervous system only
Autonomic nervous system (ANS)
Sympathetic nervous system only
A labeled red blood corpuscle is released into the arterial circulation in the left leg. It is recaptured 30 seconds later in the left lung. What is the minimum number of chambers of the heart it must have passed through?
0
1
2
3
Lymph (tissue fluid) is composed of
Plasma
Large proteins
Formed elements
All of them
During the joint diastole heart receive?
Deoxygenated blood
Oxygenated blood
Venous blood
None
Which of the following statements is incorrect?
The fibrous cords attached to the flaps of the bicuspid and tricuspid valves are chordae tendinae.
The opening of inferior vena cava is guarded by Eustachian valve.
The right atrio-ventricular opening is guarded by the mitral valve
Impulses received from carotid sinuses decreases heart rate whereas impulses received from vena cava increases heart rate.
The neural center that regulates cardiac activity through ANS is located in:
Cerebrum
Hypothalamus
Pons
Medulla
