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Test: Regulation of Respiration & Respiratory Disorders


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5 Questions MCQ Test Biology Class 11 | Test: Regulation of Respiration & Respiratory Disorders

Test: Regulation of Respiration & Respiratory Disorders for NEET 2022 is part of Biology Class 11 preparation. The Test: Regulation of Respiration & Respiratory Disorders questions and answers have been prepared according to the NEET exam syllabus.The Test: Regulation of Respiration & Respiratory Disorders MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Regulation of Respiration & Respiratory Disorders below.
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Test: Regulation of Respiration & Respiratory Disorders - Question 1

Alveoli become enlarged and damaged with reduced surface area in heavy smokers. The condition is called

Detailed Solution for Test: Regulation of Respiration & Respiratory Disorders - Question 1 Emphysema defined as the long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the alveoli air sacs in the lung. the lung tissue involved in exchange of gases (oxygen and carbon dioxide) is impaired or destroyed.
Test: Regulation of Respiration & Respiratory Disorders - Question 2

Increased asthmatic attacks in certain seasons are related to

Detailed Solution for Test: Regulation of Respiration & Respiratory Disorders - Question 2

Asthma is a common long-term inflammatory disease of the airways of the lungs. Symptoms include episodes of wheezing, coughing, chest tightness, and shortness of breath. Environmental factors which are responsible for asthma include exposure to air pollution and allergens. The increased asthmatic attacks in certain seasons are due to the inhalation of seasonal pollen. Seasonal pollen is obtained by the dehiscence of pollen grain in a particular season to which a person may be allergic.

So, the correct answer is 'Inhalation of seasonal pollen'.

Test: Regulation of Respiration & Respiratory Disorders - Question 3

The respiratory centre of the brain is sensitive to​

Detailed Solution for Test: Regulation of Respiration & Respiratory Disorders - Question 3

Respiratory centres are located in the medulla oblongata and pons in the brain. They are extremely sensitive to blood concentration of carbon dioxide and work in response to reduction or elevation in the level of CO2​ in the body and hence help in regulation of respiration.

Test: Regulation of Respiration & Respiratory Disorders - Question 4

Emphysema is a

Detailed Solution for Test: Regulation of Respiration & Respiratory Disorders - Question 4

Emphysema is a disease of the lungs that usually develops after many years of smoking. Along with asthma and chronic bronchitis, emphysema belongs to a group of lung diseases known as chronic obstructive pulmonary disease (COPD).

Test: Regulation of Respiration & Respiratory Disorders - Question 5

The pneumotaxic centre is present in

Detailed Solution for Test: Regulation of Respiration & Respiratory Disorders - Question 5

The pneumotaxic center is located in the upper part of the pons i.e pons varolii. Its nuclei are the subparabrachial nucleus and the medial parabrachial nucleus. The pneumotaxic center controls both the rate and the pattern of breathing.

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