Mastering MCQ for Loksewa Staff Nursing Exam | Respiratory system

91. Shortness of breath represents :

A. Tachypnoea

B. Dyspnea

C. Apnoea

D. Orthopnoea

92. ‘Baduli’ or hiccup is believed to be produced when one is remembered by his/her ones far away. Physiologically this is due to :

A. Irritation of diaphragm

B. Sudden increase in thoracic pressure

C. Sudden opening of closed larynx

D. All of the above

93. At normal condition, respiratory center is stimulated by :

A. Oxygen

B. Carbon dioxide

C. Carbon monoxide

D. Nitrogen

94. Earliest sign of hypoxia is :

A. Cyanosis

B. Restlessness

C. Diarrhea

D. Headache

95. Normal Breathing is called :

A. Dyspnoea

B. Apnoea

C. Eupnoea

D. Bradypnoea

96. Which is not correct about inspiration ?

A. It is passive process.

B. Duration about 2 seconds.

C. Diaphragm & external intercostal muscles are primary muscles of inspiration.

D. All of the above

97. Which of the following gas is released during respiration ?

A. Oxygen

B. Carbon dioxide

C. Carbon monoxide

D. All of the above

98. Total number of alveoli in the human lungs is about :

A. 1 billion

B. 800 billion

C. 500 million

D. 1500 million

99. During ………… process heat energy is formed.

A. Circulation

B. Excretion

C. Digestion

D. Respiration

100. The process of releasing energy from glucose is called :

A. Digestion

B. Absorption

C. Respiration

D. Metabolism