Medical Sample papers

Respiratory System Quiz

respiration-quiz

Respiratory System Questions:

Ques. The diabetic patient shows
(a) High respiratory quotient
(b) Low respiratory quotient
(c) Zero respiratory quotient
(d) None of these
Ans. (b)

Ques. The oxygen toxicity is related with
(a) Blood poisoning
(b) Collapse of alveolar walls
(c) Failure of ventilation of lungs
(d) Both (a) and (b)
Ans. (c)

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Ques. The state during which the respiratory centre is inhibited is termed as
(a) Asphyxia
(b) Suffocation
(c) Anoxia
(d) Chocking
Ans. (c)

Ques. In human blood, the oxygen carrier is
(a) Iron
(b) Meth–haemoglobin
(c) Haemocyanin
(d) Haemoglobin
Ans. (d)

Ques. Rate of breating is controlled by
(a) The amount of freely available oxygen
(b) Carbon dioxide
(c) Muscular function of the body
(d) Stress
Ans. (b)

Ques. The form of energy used in respiration is
(a) Chemical energy
(b) Electrical energy
(c) Mechanical energy
(d) Radiant energy
Ans. (a)

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Ques. The air which is taken in or given out during a single breath is known as
(a) Residual air
(b) Vital air
(c) Tidal air
(d) All of these
Ans. (c)

Ques. What is the end product of glycolysis
(a) Pyruvic acid
(b) Acetyl CoA
(c) Lactic acid
(d) Citric acid
Ans. (a)

Ques. Acquiring an oxygen debt is evidence that
(a) O2 cannot be stored in tissue
(b) Aerobic respiration is more complex than glycolysis
(c) Lactic acid can be converted into glycogen
(d) Anaerobic process are slower than aerobic processes
Ans. (a)

Ques. Where does cellular respiration take place
(a) Lysosomes
(b) Ribosomes
(c) Mitochondria
(d) Endoplasmic reticulum
Ans. (c)

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Ques. Which one of the following has the smallest diameter
(a) Right primary bronchus
(b) Left primary bronchus
(c) Trachea
(d) Respiratory bronchiole
Ans. (d)

Ques. Respiratory pigment in cockroach is
(a) Haemozoin
(b) Haemocyanin
(c) Haemoglobin
(d) Absent
Ans. (d)

Ques. Which of the following is a respiratory organ of scorpion
(a) Gill
(b) Lung
(c) Ctenidia
(d) Book lung
Ans. (d)

Ques. Residual air in rabbit is found in
(a) Nostrils
(b) Trachea
(c) Bronchus
(d) Alveoli
Ans. (d)

Ques. There is a membrane covering the lungs, called
(a) Peritonium
(b) Pleura
(c) Pericardium
(d) Duramater
Ans. (b)

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Ques. What structures are responsible for breathing process
(a) The trachea and alveoli
(b) Larynx and bronchi
(c) Ribs and intercostal muscles
(d) Intercostal muscles and diaphragm
Ans. (d)

Ques. The structure which prevents the entry of food into respiratory tract is
(a) Pharynx
(b) Larynx
(c) Glottis
(d) Epiglottis
Ans. (d)

Ques. Which structure in mammals does not help in respiration?
(a) Ribs
(b) Abdominal muscles
(c) Diaphragm
(d) Larynx
Ans. (d)

Ques. The vital capacity of the lung signifies the volume of air
(a) Breathed in during normal inspiration
(b) Breathed out with forcible expiration
(c) Breathed in with forcible inspiration
(d) With deep inspiration and forcible expiration
Ans. (d)

Ques. The largest quantity of air that can be expired after a maximum inspiratory effort is
(a) Residual volume
(b) Tidal volume
(c) Vital capacity of lung
(d) Lung volume
Ans. (c)

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Ques. If the thoracic wall but not the lungs in man are punctured
(a) The lungs get inflated
(b) The breathing rate will decrease
(c) The breathing rate will increase
(d) He will die as the lungs are collapsed
Ans. (d)

Ques. Oxygen is transported to every cell of the body through
(a) RBC
(b) WBC
(c) RBC and WBC
(d) RBC and hormones
Ans. (a)

Ques. In respiration the energy is produced during the  process of
(a) Glycolysis
(b) Krebs cycle
(c) Glycolysis and Kreb’s cycle
(d) Ornithine cycle
Ans. (c)

Ques. Respiration is the physiological process in which
(a) Breathing occurs
(b) Breathing and external respiration occur
(c) Breathing, external respiration and cellular respiration occur
(d) Only inspiration occurs
Ans. (c)

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Ques. In mammals how much CO2 is transported as bicarbonates of sodium and potassium in the blood
(a) 5–10 %
(b) 10–90 %
(c) 70–72 %
(d) 90–95 %
Ans. (c)

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Vishal Arora

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