1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Which of the following is not the function of conducting part of respiratory system?

A
It clears inhaled air from foreign particles
B
Inhaled air is humidified
C
Temperature of inhaled air is brought to body temperature
D
Provides surface for diffusion of O2 and CO2
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.
A
Low pO2, low pCO2, more H+, higher temperature
B
High pO2, low pCO2, less H+, lower temperature
C
Low pO2, high pCO2, more H+, higher temperature
D
High pO2, high pCO2, less H+, higher temperature.
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
A
pO2 = 159 and pCO2 = 0.3
B
pO2 = 104 and pCO2 = 40
C
pO2 = 40 and pCO2 = 45
D
pO2 = 95 and pCO2 = 40
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Assertion (A) : A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.

Reason (R) : Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen.

In the light of the above statements, choose the correct answer from the options given below
A
(A) is false but (R) is true
B
Both (A) and (R) are true and (R) is the correct explanation of (A)
C
Both (A) and (R) are true but (R) is not the correct explanation of (A)
D
(A) is true but (R) is false
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