MCQs (Multiple Choice Questions) in Quiz Format on ‘Cardiovascular System | Circulatory system’ “. Quiz No. 6
Circulation of Body Fluids: Quiz - 6
80 mm Hg
90 mm Hg
100 mm Hg
120 mm Hg
Sickle cell anemia
Leucocytes — lymphocytes
SA node — pace maker
Malleus — anvil
Haemophilia — blood cancer
10 μg/100 ml
4-6 μg/100 ml
30 μg/100 ml
20 μg/100 ml
40 mm Hg
80 mm Hg
120 mm Hg
200 mm Hg
Rh –ve person will die.
Rh +ve person will die.
Rh +ve blood starts reacting to Rh –ve blood.
Nothing happens to Rh +ve person.
Stokes – Adams Syndrome
Semilunar valve and tricuspid valve
Bicuspid and tricuspid valve
A.V valve (Atrioventricular valve) and semilunar valve
Aortic valve and mitral valve
Pulmonary artery - Carries deoxygenated blood to the lungs
Superior vena cava - Receives deoxygenated blood from the lower body and organs
Inferior vena cava - Receives deoxygenated blood from the head and body
Hepatic artery - Carries deoxygenated blood to the gut
Right ventricle → pulmonary aorta → tissues → pulmonary veins → left auricle
Left auricle → left ventricle → aorta → arteries → tissues → veins → right atrium
Left auricle → left ventricle → pulmonary aorta → tissues → right auricle
Right auricle → left ventricle → aorta → tissues → veins → right auricle
Blood = Plasma + RBC + WBC + Blood platelets
Lymph = Plasma + RBC + WBC
Neuron = Cyton + Dendrite + Axon + Synapse
Plasma = Blood - lymphocytes
Pulsation of the radial artery - values in the blood vessels
Dup - Sudden opening of semilunar valves at the beginning of ventricular diastole
Lubb - Sharp closure of AV valves at the beginning of ventricular systole
Initiation of the heart beat - Purkinje fibres
Small arteries are called arterioles.
When arterioles reach the capillaries blood pressure drops.
Blood pressure is lower in the arteries than in the arterioles.
Small arterioles regulate the flow of blood into each capillary.
there is more UV radiation which enhances RBC production
people eat more nutritive food, therefore more RBCs are formed
people get pollution-free air to breathe and more oxygen is available
atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
Assertion: Smaller the organism higher is the rate of metabolism per gram weight.
Reason: The heart rate of a six month old baby is much higher than that of an old person.
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
Assertion is true statement but Reason is false.
Both Assertion and Reason are false statements.