Biology class 12 MCQ'S of respiratory disorders with answer
56. Pneumonia, a respiratory disease, is caused due to:
A. Infection of trachea
B. Infection of lungs
C. Bleeding into pleural cavity
D. Inflammation of alveolar wall
Correct option is: D (Inflammation of alveolar wall)
57. Tuberculosis is caused due to:
A. Bacterial infection in lungs
B. Infection in trachea
C. Infection in alveoli
D. Bleeding in pleural cavity
Correct option is: A (Bacterial infection in lungs)
58. Cigarette smoking caused generally, ________.
A. Pneumonia
B. Bronchitis
C. Emphysema
D. Asthma
Correct option is: C ( Emphysema )
59. Emphysema is respiratory disorders, caused due to _____
A. Inflammation of nasal passage
B. Twisting of trachea
C. Filling of mucous in lungs
D. Damage of alveolar walls
Correct option: D (Damage of alveolar walls)
60. The bacteria that cause bacterial pneumonia are:
A. Streptococcus pneumoniae
B. Hemophilus influenza
C. Staphylococcus aureus
D. All of these
Correct option is: D ( All of these)
61. Tuberculosis is caused by the:
A. Mycobacterium tuberculosis
B. Mycoplasma
C. Staphylococcus aureus
D. Both A & B
Correct option is: A (Mycobacterium tuberculosis)
62. About 15% of TB patients may developed the disease in an organ other then the lungs that are :
A. Lymph nodes
B. GI tract
C. Bones and joints
D. All of these
Correct option is: D (All of these)
63. All of these are risk factors of tuberculosis except :
A. HIV infection
B. Alcoholism
C. Cigarette
D. Low socioeconomic status
Correct option is: C (Cigarette )
64. The most common drugs used for treatment of tuberculosis are:
A. Isoniazid
B.Omeprazole
C. Rifampin
D. Both A and C
Correct option is: D (Both A and C )
65. Cyanosis is caused due to __________.
A. Lack of blood
B. Lack of oxygen
C. Presence of Carbon dioxide
D. Absense of carbon dioxide
Correct option is: B ( Lack of oxygen)
66. What happened during emphysema?
A. Alveoli are damaged
B. Bronchi are damaged
C. Alveoli and bronchioles lose their elasticity
D. All of the above statement are correct
Correct option is : D ( All of the above statement are correct ).
67. Lung cancer is caused due to high levels of ___________.
A. Pollution
B. Asbestos exposure
C. Both A and B
D. HIV infection
Correct option is: C ( Both A and B )
68. Treatment of lung cancer are:
A. Chemotherapy
B. Radiation
C. Surgery
D. All of them
Correct option is: D ( All of them )
69. Rhinovirus, coronavirus and adenovirus cause __________
A. Influenza
B. Pneumonia
C. Common cold
D. Croup
Correct option is: C ( Common cold )
70. Which condition is often referred to as hospital, community, ventilation or healthcare associated?
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