Respiratory System Related questions with right Answer for Nursing officer Recruitment Exam

Respiratory System Related questions with right Answer for Nursing officer Recruitment Exam

Question No. 1. The normal breathing process is controlled by ____________.

(a) Lungs

(b) Ventral respiratory group

(c) Dorsal respiratory group

(d) Both (b) and (c)

Right Answer: (d) Both (b) and (c).

Question No. 2 Which of the following statements is true about the entry of air into the lungs?

(a) Air enters the body and travels to the lungs through the mouth and the nose

(b) Air enters the body and travels to the lungs through the oesophagus and gullet

(c) Air enters the body and travels to the lungs through the windpipe and the pores

(d) Air enters the body and travels to the lungs through the nose and the nervous system.

Right Answer: (a) Air enters the body and travels to the lungs through the mouth and the nose.

Question No. 3. In Earthworms, the process of respiration is through ________.

(a) Skin

(b) Head

(c) Lungs

(d) Pores on its anterior end

Right Answer: (a) Skin.

Question No. 4 ___________ is located between two pleural sacs and is the central compartment of the thoracic cavity?

(a) Hilum

(b) Pleura

(c) Mediastinum

(d) Thoracic cage

Right Answer: (c) Mediastinum.

Question No. 5 Which of the following are parts of the human respiratory system?

(a) Trachea

(b) Diaphragm

(c) The lungs

(d) All of the above

Right Answer:  (d) All of the above.

Question No. 6. The total number of alveoli present in the human lungs is estimated to be around ______.

(a) 1 billion

(b) 800 million

(c) 500 million

(d) 1500 million

Right Answer: (c) 500 million.

Question No. 7. Which one of the following is correct regarding larynx?

(a) It houses the vocal cords

(b) It prevents the invading pathogens into the trachea

(c) It is an organ made of cartilage and connects the pharynx to the trachea

(d) All of the above.

Right Answer: (d) All of the above.

Question No. 8 Which one of the following statements is false about the trachea?

(a) Has C-shaped rings

(b) It is covered by epiglottis

(c) It splits into the right and left lungs

(d) None of the above

Right Answer: (b) It is covered by epiglottis

Question No. 9 Which of these statements is true about internal respiration?

(a) Production of ATP

(b) Exchange of gases between the bloodstream and tissue cells

(c) Exchange of gases between alveoli and the bloodstream

(d) Breathing between the atmosphere and the alveoli

Right Answer: b) Exchange of gases between the bloodstream and tissue cells.

Question No. 10 The tiny air sacs present in human lungs is called_______.

(a) Alveoli

(b) Bronchus

(c) Bronchioles

(d) All of the above

Right Answer: (a) Alveoli.

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