Heart: Multiple Choice Questions

Multiple Choice Questions

Que: 1 In mammals’ hearts, the bicuspid valve is situated between?

a)Left auricle and Left ventricle

b)Post Caval and Right Caval

c)Right Auricle and Left auricle

d)Right Ventricle and pulmonary aorta

Ans: A

Que: 2 Which valve is present between the left atrium and ventricle?

a)Tricuspid

b)Mitral

c)Aortic

d)Pulmonary

Ans: B

Que:3 Purkinje’s fibre is a special type of:

a)Muscles fibre located in the heart

b)Sensory fibre extending from the retina into the optic nerve.

c)Nerve fibres located in the cerebrum

d)Connective tissue fibres joining one bone to another bone.

Ans: a

Que:4 Pericardium and pericardial fluid help in:

a)Pumping the blood

b)Receiving blood from various parts of the body.

c)Protecting the heart from fictions shocks, and keeping it moist

d)None of these

Ans: C

Que:5 Valve that guards the Right auriculoventricular aperture is?

a)Tricuspid Valve

b)Coronary Valve

c)Semilunar Valve

d)Bicuspid Valve

Ans: a

Que:6 Purkinje fibre found in:

a)Nephrons of kidney

b)Brain

c)Sensation of skin

d)Conduction system of the heart

Ans: d

Que:7 Human heart’s chamber which has the thickest wall?

a)Left Ventricle

b)Right Ventricle

c)Left Atrium

d)Right Atrium

Ans: a

Que:8 The wall is a heart made up of:

a)Epicardium

b)Myocardium

c)Endocardium

d)All of the above

Ans: d

Que:9 Single heart circuit occurs in:

a)Reptiles

b)Fishes

c)Frog

d)Man

Ans: b

Que:10 Which of these has a closed circulatory system:

a)Cockroach

b)Fish

c)Scorpian

d)Mollusca

Ans: d

Que:11 Mitral valve is another name of:

a)Biscupid Valve

b)Tricuspid Valve

c)Thebesian valve

d)None of these

Ans: a

Que:12 Which organ receives only oxygenated blood?

a)Gill

b)Spleen

c)Liver

d)Lung

Ans: b

Que:13 The most active phagocytic white blood cells are:

a)Eosinophils and Lymphocytes

b)Lymphocytes and Macrophages

c)Neutrophils and Eosinophils

d)Neutrophils and Monocytes

Ans: d

Que:14 The middle layer of the heart is known as:

a)Myocardium

b)Epicardium

c)Endocardium

d)All of the above

Ans: a

Que:15 Bicuspid and Tricuspid Valve are supported by:

a)Columnae carneae

b)Epicardium

c)Endocardium

d)Chordae Tendinae

Ans: d

Que:16 Which of the following is carried by the heart to all organs of the body through arteries?

a)Blood

b)Bone Marrow

c)Cytoplasm

d)Fluid

Ans: a

Que:17 Which of the following is the innermost layer of the heart and it is a smooth thin lining to reduce the friction of blood flow through the chambers?

a)Pericardium

b)Endocardium

c)Neurocardium

d)Myocardium

Ans: b

Que:18 The SA node of the heart is also called:

a)Pacemaker

b)Sinus node

c)Cardiac Node

d)Nerve Maker

Ans: a

Que:19 Which valve controls the opening between the right atrium and ventricle?

a)Left atrium

b)Tricuspid Valve

c)Left ventricular

d)Mitral Valve

Ans: b

Que:20 Which is the fibrous sac surrounds the heart?

a)Epicardium

b)Myocardium

c)Endocardium

d)Pericardium

Ans: d

Que:21 Human heart has an SA node which makes it:

a)Myogenic

b)Neurogenic Heart

c)Digenic Heart

d)Rhinogenic Heart

Ans: a

Que:22 The inner-atrial septum in the human heart can be best described as:

a) A thick muscular wall

b) A thin fibrous tissue

c) A thick fibrous tissue

d) A thin muscular wall

Ans: d

Que:23 Which one is incorrect the following?

a)Inter-atrial septa-thin and muscular

b)Interventricular septa-thick and muscular

c)Pericardium-muscular

d)Atrio-Ventricular septa-thick and fibrous

Ans: c

Que:24 The blood that carries blood from the heart to the various parts of the body:

a)Veins

b)Arteries

c)Septum

d)Capillaries

Ans: Arteries

Que:25 Which vessels carry CO2-rich blood from all parts of the body back to the heart?

a)Veins

b)Capillaries

c)Arterioles

d)Arteries

Ans: a

Que:26 Human heart is covered by a double membrane sac called:

a)Epicardium

b)Pericardium

c)Kura

d)Plura

Ans: b

Que:27 Coagulation of blood in blood vessels is prevented by:

a)Albumin

b)Heparin

c)Globulin

d)Fibrinogen

Ans: b

Que:28 Which of the following has a venous heart?

a)Fish

b)Birds

c)Monkey

d)Human

Ans: a

Que:29 Bundle of his is a network of:

a)Nerve fibrous found throughout the heart

b)Muscle fibres found only in the ventricle

c)Nerve fibres distributed in ventricles

d)Muscle fibres distributed throughout the heart walls

Ans: b

Que:30 In higher vertebrates SA node helps in:

a)Conduction of blood

b)Opening of the tricuspid valve

c)Initiation of heart beat

d)Opening of bicuspid valve

Ans: c

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