Mastering MCQ for Loksewa Staff Nursing Exam | Respiratory system

61. Cyanosis is due to :

(A) Increased level of reduced hemoglobin(deoxyhemoglobin) >5gm/dl.

(B) Decreased level of reduced hemoglobin <5gm/dl

(C) Both A & B

(D) None of these

62. Difficulty in breathing at horizontal position is called :

(A) Orthopnea

(B) Dyspnea

(C) hyperapnoea

(D) Tachypnea

63. The term “Tachypnea” Means :

(A) Difficulty in breathing

(B) Difficulty in breathing in supine position

(C) Rapid Shallow (Short & fast) Breathing

(D) Increased rate and depth of respiration

64. The normal duration of inspiration and expiration is :

(A) 1 Second & 2 Second

(B) 2 Second & 3 Second

(C) 3 Second & 4 second

(D) 2 Second and 2 second

65. Respiratory center is located at :

(A) Cerebrum

(B) Cerebellum

(C) Pons

(D) Medulla

66. Hiccup (badulki/Hichki) are sudden, involuntary movement due to :

(A) Irritation of diaphragm

(B) Increased thoracic Pressure

(C) Missing by someone.

(D) Gastritis

67. Small air sac present in lungs which involves in gaseous exchange is called :

(A) Areola

(B)Pleura

(C) Alveoli

(D) Lobules

68. The number of intercostal muscles is :

(A) 9 pairs

(B) 11 pairs

(D) 12 Pairs

(D) 24 pairs

69. What is the % of oxygen in expired air ?

(A) 21%

(B) 16%

(C) 24%

(D) 22%

70. Normal respiratory rate of newborn baby is ranges from :

(A) 15-20 breaths/min

(B) 20-30 breaths/min

(C) 30-60 breaths/min

(D) 120-160 breaths/min