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What is the correct answer?

4

Universal donor is the person with the blood group

A. A

B. AB

C. B

D. O

Correct Answer :

D. O


Related Questions

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4

The nerve like modified muscle in the right auricle is called

A. atrioventricular node

B. pacemaker

C. bulbus artriosus

D. none of these

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4

A condition characterised by an increase in the number of erythrocytes in the circulation is

A. leukemia

B. polycythemia

C. anemia

D. polydipsia

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4

The larger lymphatic organ in the body is

A. lymph node

B. liver

C. pancreas

D. spleen

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4

The least concentration of urea in mammals is carried in blood of

A. hepatic vein

B. renal vein

C. renal artery

D. hepatic artery

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4

William Harvey is known for the discovery of

A. muscle contraction

B. nerve conduction

C. renal excretion

D. blood circulation

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4

Pacemaker of the heart is

A. S.A. node

B. A.V. node

C. A.V. septum

D. LA. Septum

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4

The life of erythrocytes in mammalian blood is about

A. 120 days

B. 150 days

C. 190 days

D. 180 days

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4

Emotions such as worry, anxiety, fear can elevate a person's blood pressure by

A. a rise in the systolic pressure

B. a rise in the diastolic pressure

C. a decrease in the systolic pressure

D. a decrease in the diastolic pressure

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4

RBCs placed in a hypertonic solution

A. retain their size

B. shrink

C. burst

D. die

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4

Mammalian erythrocytes in blood are

A. mononudeated

B. anucleated

C. dinucleated

D. multinucleated

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4

The blood pigment of cephalopods such as Septa and Octopus is

A. haemoglobin

B. haemerythrin

C. haemocyanin

D. chlorocruorin

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4

The largest blood corpuscle is

A. monocyte

B. thrombocyte

C. erythrocyte

D. lymphocyte

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4

The vein which carries oxygenated blood is

A. pulmonary

B. renal

C. coronary

D. azygous

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4

The white pus of an infected part in the body is composed of

A. dead erythrocytes and plasma

B. dead leucocytes and blood serum

C. living leucocytes and serum

D. living erythrocytes and serum

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4

If blood cells from blood are elminated, the liquid left is

A. serum

B. plasma

C. water

D. haemoglobin

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4

An excess of tissue fluid in the extracellular space is called

A. atherosclerosis

B. ischemia

C. oedema

D. asthma

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Diapedesis is

A. movement of erythrocytes to injury site

B. migration of cells through the walls of blood capillaries into the tissue spaces

C. contraction of muscles

D. none of these

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4

Impulses from the pacemaker initiate

A. the ventricles to contract

B. the auricles to contract

C. both (a) and (b)

D. the relaxation of heart

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4

The sympathetic nerve causes the heart rate to

A. increase

B. decrease

C. show no change

D. stroke volume increases

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4

Hamburger's phenomenon is also called

A. bicarbonate shift

B. chloride shift

C. sodium shift

D. none of these

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4

The chamber of the mammalian heart from which deoxygenated blood is sent for oxygenation is

A. right auricle

B. right ventricle

C. left auricle

D. left ventricle

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4

Blood has no role in the transport of O^2 in

A. earthworm

B. leech

C. lung fishes

D. insects

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4

If clumping occurs in a given sample of blood with 'both A and B serum, the blood group was

A. A

B. AB

C. B

D. O

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4

The diameter of capillaries for the RBCs to pass is

A. 4 fim

B. less than 5 fim

C. more than 5 Jim

D. more than 10 Jim

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4

The pH of blood in arteries and veins is

A. same

B. more .in arteries and less in veins

C. not definite

D. less in arteries and more in veins

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4

Carotid artery carries

A. oxygenated blood to the heart

B. deoxygenated blood to the lungs

C. oxygenated blood to the brain

D. deoxygenated blood to the stomach

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4

Corneal grafts are generally not rejected by the recipient because cornea is

A. non living

B. non proteineceous

C. non cellular

D. non vascularised

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4

Universal donor is the person with the blood group

A. A

B. AB

C. B

D. O

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4

Blood passes from the arterioles to venules via

A. lacteals

B. valved veins

C. capillaries

D. any of these

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4

The vertebrate heart is classified as

A. myogenic

B. neurogenic

C. amyogenic

D. both (a) and YW