Mastering MCQ for Loksewa Staff Nursing Exam | Respiratory system

81. Respiratory rate is highest in :

(A) Newborn

(B) Children

(C) Adult

(D) Old age

82. The volume of air that is present within conductive zone of respiratory tract where gaseous exchange does not occurs is called :

(A) Tidal volume

(B) Inspiratory Reserve Volume (IRV)

(C) Expiratory Reserve Volume (ERV)

(D) Anatomical Dead space

83. A fluid secreted by pneumocyte of alveoli which prevent lungs to collapse ?

(A) Pleural fluid

(B) Alveolar fluid

(C) Surfactant

(D) Liquor

84. Average respiratory rate for adult is :

(A) 12-16 breaths/min

(B) 16-20 breaths/min

(C) 20-25 breaths/min

(D) 30-60 breaths/min

85. Which of the following rib does not move during respiration ?

(A) First Ribs

(B) First to 7th ribs

(C) First to 3rd ribs

(D) Last 3 ribs

86. One molecule of Hemoglobin combines with :

(A) 2 molecule of oxygen

(B) 3 Molecules of oxygen

(C) 4 Molecules of oxygen

(D) 8 molecules of oxygen

87. Cherry red color of skin is seen in :

(A) CO2 Poisoning

(B) CO Poisoning

(C) SO2 Poisoning

(D) NO2 Poisoning

88. Which of the following is function of respiratory function ?

A. pH maintenance

B. Excretion of alcohol

C. Thermoregulation

D. All of the above

89. Respiration is controlled by :

A. Medulla oblongata

B. Pons varolii

C. Cerebral cortex

D. All of the above

90. Which of the following muscles assist forced respiration ?

A. Abdominal muscles

B. Intercostal muscles

C. Sternocleidomastoid muscle

D. All of the above