Medical Mcqs

Kussmamul’s respiration occurs in response to_______________?

(A) Decrease in pH of blood

(B) Increase in pH of blood

(C) Obstructive pulmonary disease

(D) Carbon monoxide poisoning

Submitted By: Ali Uppal


A decrease in the arterial PO2 is seen in______________?

(A) Decrease in hemoglobin concentration of arterial blood

(B) Paralysis of inspiratory muscles

(C) Sluggish blood flow

(D) High altitudes

Submitted By: Ali Uppal


tidal volume in adult is_____________?

(A) 125 ml

(B) 500 ml

(C) 1500 ml

(D) 2200 ml

Submitted By: Ali Uppal


The volume of gas in the lungs at the end of normal expiration is____________?

(A) Expiratory reserve volume

(B) Functional residual capacity

(C) Residual volume

(D) Inspiratory reserve volume

Submitted By: Ali Uppal


Shift of the oxygen dissociation curve to right is caused by the following factors EXCEPT_______________?

(A) Increased 2,3 BPG

(B) Increased temperature

(C) Increased concentration of carbon – di – oxide

(D) Increased concentration of oxygen

Submitted By: Ali Uppal


The work of breathing__________________?

(A) is inversely related to lung compliance

(B) remains constant during exercise

(C) is not affected by respiratory

(D) decreased in lying posture

Submitted By: Ali Uppal


Bronchial circulation is associated with__________________?

(A) Air conditioning

(B) Drug absorption

(C) Gaseous exchange

(D) Reserve volume

Submitted By: Ali Uppal


Which of the following adaptations will be apt to increase the work capacity at high altitude_________________?

(A) Increased workload, decreasing duration of exercise

(B) Increased workload, increasing duration of exercise

(C) Decreasing workload, increasing duration of exercise

(D) Decreasing workload, decreasing duration of exercise

Submitted By: Ali Uppal


Submitted By: Ali Uppal


Oxygen as an emergency drug is contraindicated in______________?

(A) Anaphylaxis

(B) Asthma

(C) Hyperventilation

(D) COPD

Submitted By: Ali Uppal