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Multiple Choice Questions : Circulatory system GK

Are you looking for GK on Circulatory system? If Yes then you are at right place. Here you will find detailed General Knowledge on Circulatory system - GK Questions and Answers, Trivia, Quiz, Interview MCQ & Circulatory system Current Affairs for Government & Competitive Exams like SSC and UPSC, RRB, NDA, CDS exams, around 10% to 20% of GK questions are asked from the Current GK. as you know Circulatory system GK MCQS is very important for Competitive Exams. In this GK MCQ section we are covering MCQS on Circulatory system

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Question : White blood cells act

A. as a medium for oxygen transport from lung to tissues

B. for clotting blood

C. as source of energy

D. as a defence against infection

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Question Listed : Infection, Circulatory System,

Question : Which of the following veins does not carry deoxygenated blood?

A. pulmonary vein

B. renal vein

C. hepatic portal vein

D. hepatic vein

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Question Listed : Veins, Circulatory System,

Question : Which of the following are the possible blood groups of the offspring of the parents with blood group O and AB?

A. O and AB

B. A, B and AB

C. A and B

D. O, A, B and AB

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Question Listed : Circulatory System,

Question : Which is the anti-coagulant substance in blood?

A. Heparin

B. Globin

C. Thrombin

D. Fibrinogen

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Question Listed : Circulatory System,

Question : Where does the impulse of heart beat originate?

A. cardiac nerve

B. vagus nerve

C. A.V. node

D. S.A. node

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Question Listed : Circulatory System,

Question : When a child is born, what happens to its blood circulation?

A. Its blood carries wastes for the first time

B. Its blood ceases to pass from one atrium to the other

C. Its blood reverses its flow through the heart

D. Its blood flows for the first time

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Question Listed : Blood, Blood Group, Circulatory System,

Question : What vessel carries the venous blood to the lungs for oxygenation?

A. Right ventricle

B. Pulmonary arterio-venous shunt

C. Pulmonary veins

D. Pulmonary arteries

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Question Listed : Arteries, Circulatory System,

Question : What is the percentage of water in blood plasma?

A. 60

B. 98

C. 80

D. 90

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Question Listed : Circulatory System,

Question : What is the condition in which heart is not pumping the blood effectively to meet the requirements of the body called?

A. heart failure

B. myocardial infarction

C. hypertension

D. stroke

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Question Listed : Heart, Circulatory System,

Question : What is the approximate time required for a heart-beat ?

A. 1.0 minute

B. 0.5 minute

C. 0.8 second

D. 0.5 second

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Question Listed : Circulatory System,

Question : What is instrument for measuring blood pressure called?

A. sphygmanometer

B. stethoscope

C. anemometer

D. electrocardiogram

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Question Listed : Sphygmanometer, Circulatory System,

Question : Ventricles are related to

A. none of these

B. both a and b

C. brain only

D. heart only

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Question Listed : Blood Group, Circulatory System, Blood,

Question : Universal receivers can receive blood from

A. Groups O, A, B, AB

B. Groups A, AB

C. Group O only

D. Group AB only

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Question Listed : Blood Group, Circulatory System, Blood,

Question : The pH of Human Blood is ___?

A. 6.6

B. 7.8

C. 7.2

D. 7.4

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Question Listed : Circulatory System,

Question : The average life span of red blood corpuscles is about

A. 150 - 200 days

B. 160 - 180 days

C. 100 - 120 days

D. 100 - 200 days

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Question Listed : Circulatory System,

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