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Test: Disorders of Respiratory System (August 6) - NEET MCQ


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10 Questions MCQ Test Daily Test for NEET Preparation - Test: Disorders of Respiratory System (August 6)

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Test: Disorders of Respiratory System (August 6) - Question 1

Which of the following statements is correct?

Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 1

Cyanosis is blueing of skin, because of deficient of oxygen in blood. Eupnea is normal breathing. Coryza(common cold) is caused by rhino virus.

Test: Disorders of Respiratory System (August 6) - Question 2

Which one of the following is the correct statement for respiration in humans?

Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 2

Grinding or stone breaking industries produce so mud dust that long exposure to this can give rise to inflammatior of lungs leading to fibrosis (proliferation of fibrous tissues' and thus causing serious lung damage. Inflammation ol the bronchi may also be caused by cigarette smoking. The primary function of pneumotaxic center is to limit inspiration which increase breathing rate.

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Test: Disorders of Respiratory System (August 6) - Question 3

Given below are few respiratory disorders. Identify occupoational respiratory disorders among these.
(i) Coryza
(ii) SARS
(iii) Silicosis
(iv) Asbestosis
(v) Emphysema

Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 3

Silicosis and asbestosis are known as occupational disorder as they occur due to one's occuption. Workers working in industries where silica and asbestos are used can suffer from these respiratory disorders.

Test: Disorders of Respiratory System (August 6) - Question 4

Read the following four statements carefully.
(i) Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.
(ii) The part of the respiratory system starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system.
(iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous ilap calied glottis to prevent the entry of food into the larynx.
(iw) Binding of oxygen with haemoglobin is primarily related to partial pressure of O2. Which of the above two statements are correct?

Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 4

Both statements (i) and (iv) are correct. Asthma is a difficulty in breathing caused by inflammation of the bronchi and bronchioles, and the binding of oxygen to hemoglobin is primarily related to the partial pressure of O2.

Statements (ii) and (iii) are not correct. The respiratory system starts at the external nostrils and extends to the alveoli, not the terminal bronchioles. The epiglottis is a flap of cartilage that covers the glottis to prevent the entry of food into the larynx during swallowing, not the other way around.

Test: Disorders of Respiratory System (August 6) - Question 5

Emphysema is a condition resulting from

Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 5

Emphysema is a respiratory disorder which occurs due to the inflation or abnormal distension of the bronchioles or alveolar sacs resulting in the loss of their elasticity. Cigarette smoking and chronic bronchitis are the causes of this disease.

Test: Disorders of Respiratory System (August 6) - Question 6
Smokers have shorter breath due to:
Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 6
Emphysema is a chronic disorder in which alveolar walls are damaged, leading to a decreased respiratory surface. Cigarette smoking is a major cause of emphysema, and individuals with this condition experience shorter breaths due to the reduced respiratory surface. Over time, the alveolar walls get damaged and may rupture.
Test: Disorders of Respiratory System (August 6) - Question 7
Asthma, a respiratory disease, is caused due to:
Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 7
Asthma is a chronic respiratory disease caused by the narrowing of the bronchi and bronchioles, which are air passages to the alveoli of the lungs. This narrowing is a result of spasms in the circular smooth muscles lining the bronchioles. Factors that irritate the bronchi or lungs can trigger these bronchial spasms, leading to excessive mucus production and blockage of the airways. This, in turn, makes it difficult to breathe.
Test: Disorders of Respiratory System (August 6) - Question 8
In which of the following disorders alveolar walls are damaged, surface area for gaseous exchange is reduced, and the air sacs remain filled with air even after expiration?
Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 8
Alveolar walls are damaged, surface area for gaseous exchange is reduced, and air sacs remain filled with air even after expiration in the disorder known as emphysema.
Test: Disorders of Respiratory System (August 6) - Question 9
In which of the following disorders is there difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles?
Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 9
Difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles is a characteristic of asthma.
Test: Disorders of Respiratory System (August 6) - Question 10
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
Detailed Solution for Test: Disorders of Respiratory System (August 6) - Question 10
The correct representation is "Inflammation of bronchioles; decreased respiratory surface" for asthma and emphysema, respectively.
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