Respiration Questions and Answers | Online Quiz for Practice

46. The Alveolar epithelium is lined with

1. Non- ciliated Squamous epithelium
2. Ciliated Squamous epithelium
3. Ciliated epithelium
4. Ciliated Columnar epithelium

47. Which of the following gas mixture is used by Divers to prevent Oxygen toxicity

1. Oxygen and Co2
2. Oxygen and Nitrogen
3. Oxygen and rare gases
4. Oxygen, CO2 and Nitrogen

48. Oxygen dissociation curve shows the relation between

1. Oxyhemoglobin saturation and Oxygen tension
2. Oxyhemoglobin saturation and Carbon dioxide level
3. Oxyhemoglobin formation and dissociation
4. Partial pressure of Oxygen and Partial pressure of Carbon dioxide

49. The common drugs used against TB is

1. Para amino salicylic acid ( PAS )
2. Ethambutol
3. Steptomycin
4. All these

50. Carbonic anhydrase in the RBC is the fastest enzyme and it decompose in one second for fast action. Its concentration in the blood due to the presence of

1. Plasma
2. Carbon dioxide
3. Sodium ions
4. Hemoglobin

51. Tachypnoea means

1. Rapid shallow breathing
2. Rapid deep breathing
3. Slow and shallow breathing
4. Slow and deep breathing

52. Advantage of Double Bohr effect is

1. Reciprocal exchange of Oxygen for Carbon dioxide
2. More Oxygenation of Foetal blood
3. More removal of Carbon dioxide
4. All these

53. Which one is a Non – reversible pulmonary disease in which the bronchi are blocked with mucous and infection and rupture of alveoli

1. Silicosis
2. Asphyxia
3. Emphysema
4. Embolism

54. Myoglobin is a muscle hemoglobin which exhibits Hyperbolic oxygen dissociation curve indicating its great affinity towards Oxygen ( Non cooperative binding ). The Hyperbolic nature of the curve is due to

1. Single polypeptide ( 153 amino acids ) and Monomeric nature
2. High concentration in the muscle
3. Muscle protein
4. Quarternary structure

55. Cloacal respiration is found in

1. Snake
2. Turtle and Tortoise
3. Crocodile
4. Frog

56. Pulmonary ventilation is

1. Tidal volume + Respiratory rate
2. Tidal volume + Vital capacity
3. Tidal volume + Residual volume
4. Tidal volume + Inspiratory reserve volume

57. Spirometry is used

1. To detect the amount of Hemoglobin
2. To detect the air flow through the respiratory system
3. To check the respiratory quotient
4. None of these

58. Bohr effect shifts the O2 – Hb dissociation curve to right

1. To promote oxygenation of Hb in lungs
2. To increase O2 concentration
3. To decrease CO2 concentration
4. To decrease the pH of blood

59. At high altitude, the number of RBC increases

1. To trap O2 from rarefied air having low PO2
2. To adapt with the oxygen deficiency
3. To remove more CO2
4. To increase metabolism

60. The chief difference between Trachea and Bronchioles is

1. Trachea lacks cartilage
2. Bronchiole lacks cartilage
3. Trachea is long
4. Bronchiole is small