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The respiratory disease immediately related to cigarette smoking is

A. hypercapnia

B. pulmonary edema

C. hypoxia

D. emphysema

Correct Answer :

D. emphysema


Related Questions

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All are lung diseases except

A. asthma

B. pericarditis

C. bronchitis

D. pneumonia

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The rate and depth of breathing is primarily controlled by medulla by

A. the oxygen content of the blood

B. the nitrogen content of the blood

C. receptors in the larynx

D. the carbon dioxide content of the bkxxl

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The oxygen content of expired air in man is

A. 3 per cent

B. 25 per cent

C. 16 per cent

D. 20 per cent

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The rate of respiration is lowest at

A. sleeping

B. running

C. eating food

D. playing

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The condition in which the body suffers from acute oxygen shortage is called

A. anaemia

B. deoxygenation

C. detoxification

D. hypoxia

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The membrane covering the lungs is

A. conjunctiva

B. pleura

C. meninges

D. peritoneum

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In frog, the alveoli are surrounded by

A. flattened and ciliated cells to increase the surface area of lungs

B. columnar and ciliated cells to increase the surface area of lungs

C. only ciliated cells to increase the surface area of lungs

D. only squamous cells to decrease the surface area of lungs

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The vibrations of which of these membranes produces vocal sounds?

A. Glottis

B. Vocal cords

C. Vocal sacs

D. Epiglottis

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The opening into the wind pipe or trachea is called

A. larynx

B. epiglottis

C. glottis

D. bronchi

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In response to high altitude hypoxia supply of oxygen to the tissue is maintained by

A. increased alveolar ventilation and increased cardiac output

B. shift in the haemoglobin dissociation curve to the right

C. increased erythrocytes and haemoglobin content of blood

D. all of these

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Oxygen is transported to every cell of the body through

A. RBC

B. WBC

C. Both (a) and (b)

D. RBC and hormones

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The greatest volume of air that can be expired after a maximum inspiratory affect, is its

A. residual volume

B. tidal volume

C. vital capacity

D. lung volume

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The respiratory portion of the respiratory tract consists of

A. Pharynx, larynx, trachea, bronchi and bronchioles

B. Trachea, bronchi, bronchioles, alveolar ducts and alveoli

C. Respiratory bronchioles, alveola ducts, alveolar sacs and alveoli

D. Bronchi, bronchioles, alveolar ducts, alveolar sacs and alveoli

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Pulmonary artery

A. returns highly oxygenated blood to the left heart for distribution throughout the body

B. returns highly oxygenated blood to right heart for distribution throughout the body.

C. delivers blood to lungs low in oxygen

D. delivers highly oxygenated blood in lungs

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The substances undergoing slow oxidation in the body during respiration are known as

A. Oxidases

B. Metabolites

C. ATP

D. ADP

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To take air into the lungs, the diaphragmmust be

A. dome shaped

B. oblique

C. flattened

D. normal

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The process of breathing-in of oxygen rich air from outside is called

A. expiration

B. inspiration

C. respiration

D. oxidation

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Emphysema is a respiratory disease in which

A. the larynx is closed

B. the trachea gets narrowed

C. the gas exchange area of lungs is increased

D. the gas exchange area of lungs is decreased

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Tissue respiration is a process by which

A. carbohydrates are synthesised

B. proteins are broken down

C. fat molecules are metabolised

D. energy is liberated

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Anoxia means

A. absence of oxygen

B. diminished amount of oxygen delivered to the tissues

C. both (a) and (b)

D. none of these

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Air directly enters the tracheae via the

A. external nares

B. pharynx

C. larynx

D. bronchi

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The metal associated with haemoglobin is

A. Copper

B. Magnesium

C. Iron

D. Manganese

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Diaphragm is characteristic of

A. egg-laying mammals only

B. marsupial mammals only

C. eutherian mammals only

D. all the mammals

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Which of the following can respire in total absence of air (anoxyliosis)?

A. Amoeba

B. Bed bug

C. Hydra

D. Tapeworm

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In a man at rest the body's cells consume approximately

A. 5000 ml of oxygen per day

B. 5000 ml of oxygen per hour

C. 500 ml of oxygen per hour

D. 200 ml of oxygen per minute

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In rabbits, respiration takes place in

A. Cells lining the lung cavities

B. Cells found in blood

C. All living cells of the body

D. RBC only

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The medullary inspiratory centre is always under direct control of

A. chemicals

B. physical conditions

C. nerves

D. all of these

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The regulatory centre for respiration is situated in the

A. cerebral cortex

B. hypothalamus

C. medulla oblongata

D. procencephalon

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A normal man respires in a minute

A. 25-30 times

B. 10-15 times

C. 14-18 times

D. 20-25 times

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The functional unit of the lung is

A. neuron

B. alveolus

C. bronchus

D. none of these