Biology MCQs

Biology

Circulation


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#17

Humans have two circuit circulatory system, one circuit is for pulmonary circulation and other is for

A)  Cardiac circulation

B)  Cerebral Circulation

C)  Systemic Circulation

D)  Hepatic circulation

Answer:   C
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#18

Certain sensors (Baroreceptors) are located in blood vessels of humans which detect

A)  Flow of blood

B)  Amount of blood

C)  Pressure of blood

D)  None of these

Answer:   C
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#19

Blood clot which migrates to secondary site is called

A)  Thrombus

B)  Embolus

C)  Thrombosis

D)  None of these

Answer:   B
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#20

Myocardial infraction is caused due to

A)  Stroke

B)  Coronary thrombosis

C)  Angioplasty

D)  Angina

Answer:   B
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#21

Hardening or loss of elasticity of artrioles is called

A)  Atherosclerosis

B)  Thrombosis

C)  Cyanosis

D)  Hypotension

Answer:   A
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#22

The defect in the structure of heart and large blood vessels of new born baby is called

A)  Stroke

B)  Atherosclerosis

C)  Congenital heart defect

D)  Angina

Answer:   C
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#23

In some babies right ventricle or the left ventricle fails to develop, this defect is called

A)  Hypoplasia

B)  Cyanosis

C)  Thrombosis

D)  Angina pectoris

Answer:   A
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#24

The severe, radiating chest pain due to the lack blood supply to the heart muscles is known as

A)  Angina

B)  Cyanosis

C)  Congenital disease

D)  Hypertension

Answer:   A
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