Friday 18 August 2017

Circulation of Body Fluids: Quiz - 6

Question 1
In a healthy adult man the normal diastolic pressure is
A
80 mm Hg
B
90 mm Hg
C
100 mm Hg
D
120 mm Hg
Question 2
In which of the following disorders, blood has a defective hemoglobin?
A
Hematoma
B
Hematuria
C
Hemophilia
D
Sickle cell anemia
Question 3
In which one of the following pair the two items mean one and the same thing?
A
Leucocytes — lymphocytes
B
SA node — pace maker
C
Malleus — anvil
D
Haemophilia — blood cancer
Question 4
Lead concentration in blood is considered alarming if it is
A
10 μg/100 ml
B
4-6 μg/100 ml
C
30 μg/100 ml
D
20 μg/100 ml
Question 5
The difference between systolic and diastolic pressure in human is
A
40 mm Hg
B
80 mm Hg
C
120 mm Hg
D
200 mm Hg
Question 6
Rh –ve person donated blood to Rh +ve person for the second time. Then,
A
Rh –ve person will die.
B
Rh +ve person will die.
C
Rh +ve blood starts reacting to Rh –ve blood.
D
Nothing happens to Rh +ve person.
Question 7
The deposition of lipids on the wall lining the lumen of large and medium sized arteries is referred to as
A
Osteoarthritis
B
Osteoporosis
C
Stokes – Adams Syndrome
D
Atherosclerosis
Question 8
The valves which allow blood to flow from the ventricles into the arteries and not in the opposite direction are
A
Semilunar valve and tricuspid valve
B
Bicuspid and tricuspid valve
C
A.V valve (Atrioventricular valve) and semilunar valve
D
Aortic valve and mitral valve
Question 9
Which of the following matches correctly?
A
Pulmonary artery - Carries deoxygenated blood to the lungs
B
Superior vena cava - Receives deoxygenated blood from the lower body and organs
C
Inferior vena cava - Receives deoxygenated blood from the head and body
D
Hepatic artery - Carries deoxygenated blood to the gut
Question 10
Which of the following sequences is truly a systemic circulation pathway?
A
Right ventricle → pulmonary aorta → tissues → pulmonary veins → left auricle
B
Left auricle → left ventricle → aorta → arteries → tissues → veins → right atrium
C
Left auricle → left ventricle → pulmonary aorta → tissues → right auricle
D
Right auricle → left ventricle → aorta → tissues → veins → right auricle
Question 11
Which one is correct?
A
Blood = Plasma + RBC + WBC + Blood platelets
B
Lymph = Plasma + RBC + WBC
C
Neuron = Cyton + Dendrite + Axon + Synapse
D
Plasma = Blood - lymphocytes
Question 12
Which one of the following is a matching pair? 
A
Pulsation of the radial artery - values in the blood vessels
B
Dup - Sudden opening of semilunar valves at the beginning of ventricular diastole
C
Lubb - Sharp closure of AV valves at the beginning of ventricular systole
D
Initiation of the heart beat - Purkinje fibres
Question 13
Which one of the following sentences is wrong?
A
Small arteries are called arterioles.
B
When arterioles reach the capillaries blood pressure drops.
C
Blood pressure is lower in the arteries than in the arterioles.
D
Small arterioles regulate the flow of blood into each capillary.
Question 14
People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude
A
there is more UV radiation which enhances RBC production
B
people eat more nutritive food, therefore more RBCs are formed
C
people get pollution-free air to breathe and more oxygen is available
D
atmospheric O2 level is less and hence more RBCs are needed to absorb the required amount of O2 to survive
Question 15
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. 
A
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C
Assertion is true statement but Reason is false.
D
Both Assertion and Reason are false statements

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