Which app has NEET PG PYQs from 2012 to 2025?

MedicoApps provides authentic NEET PG previous year questions from 2012 to 2025 with detailed explanations, clinical coverage, and offline access.

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MedicoApps includes over 10,000 meticulously crafted clinical and image-based questions, each with a detailed explanation covering NEET PG, NeXT PG, INI CET, and FMGE exams.

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Yes, MedicoApps is fully offline. You can study and practice previous year questions without an internet connection.

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Yes, MedicoApps includes clinical and image-based questions with complete explanations and references, covering subjects tested in NEET PG.

Does MedicoApps focus on repeated concepts and high-yield topics?

Yes, MedicoApps follows an 80/20 high-yield preparation approach, emphasising repeated concepts since 60-75% of NEET PG questions come from concepts tested in past exams.

Is there an update frequency for new questions in MedicoApps?

The app is regularly updated to align with the latest NEET PG exam patterns and includes new questions as per evolving trends in medical entrance exams.

Do the questions in MedicoApps come with detailed explanations?

Yes, each question is accompanied by an explanatory note that clarifies the concept behind the answer and references relevant sources.

Which previous year exams are included in MedicoApps?

MedicoApps includes authentic previous year questions from NEET PG, NeXT PG, INI CET, and FMGE exams, spanning from 2012 to 2025.

Is MedicoApps suitable for students at different stages of NEET PG preparation?

Yes, MedicoApps is suitable for both beginners and advanced students. It offers a wide range of questions to support preparation at all stages.

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Yes, MedicoApps offers a no-questions-asked 30-day money-back guarantee on all premium plans.

What is the best QBank for NEET PG?

A good NEET PG QBank should include PYQs, clinical MCQs, image-based questions, and grand tests. MedicoApps provides all these features along with offline access and explanations in one platform.

Where can I practice NEET PG previous year questions?

You can practice NEET PG previous year questions on MedicoApps, which includes 10,000+ questions from 2012 to 2025 with detailed explanations and offline support.

How can I contact MedicoApps support?

You can reach the MedicoApps customer support team through the app or the official website at medicoapps.org.

COMPOSITION OF ALVEOLAR AIR

Q. 1 What is the partial pressure for oxygen in the inspired air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Q. 2

What is the partial pressure for oxygen in the expired air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Q. 3

What is the partial pressure for oxygen in the alveolar air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Q. 4

What is the partial pressure for Carbon dioxide in the alveolar blood?

A		0.3 mm Hg
B		40 mm Hg
C		32 mm Hg
D		158 mm Hg

Q. 5

What is the partial pressure for carbon-di-oxide in the inspired air?

A		0.3 mm Hg
B		158 mm Hg
C		100 mm Hg
D		32 mm Hg

Q. 6

What is the partial pressure for carbon-di-oxide in the expired air?

A		0.3 mm Hg
B		158 mm Hg
C		40 mm Hg
D		32 mm Hg

Q. 1

What is the partial pressure for oxygen in the inspired air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Ans. B

Explanation:

Partial pressure of O2 in inspired air (Pi O2) – 158 mm Hg

Gaseous concentration & its partial pressure in alveoli:

1. Oxygen:

Concentration & partial pressure controlled by,

* Rate of absorption of O2 into blood

* Rate of entry of new O2 into lungs by ventilatory process.

Values:

* Partial pressure of O2 in inspired air (Pi O2)

– 158 mm Hg

* Partial pressure of O2 in alveolar air (PA O2)

– 100 mm Hg

– Calculated by “Alveolar gas equation”.

* Partial pressure of O2 in expired air (PE O2)

– 116 mm Hg

2. Carbon-di-oxide:

* Partial pressure of CO2 in inspired air (Pi CO2)

– 0.3 mm Hg

* Partial pressure of CO2 in alveolar blood (PA CO2)

– 40 mm Hg

* Partial pressure of CO2 in expired air (PE CO2)

– 32 mm Hg

Q. 2 What is the partial pressure for oxygen in the expired air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Ans. A

Explanation:

Partial pressure of O₂ in expired air (P_E O₂) – 116 mm Hg

Gaseous concentration & its partial pressure in alveoli:

1. Oxygen:

Concentration & partial pressure controlled by,

Rate of absorption of O₂ into blood
Rate of entry of new O₂into lungs by ventilatory process.

Values:

Partial pressure of O₂in inspired air (P_i O₂)
- 158 mm Hg
Partial pressure of O₂in alveolar air (P_A O₂)
- 100 mm Hg
- Calculated by “Alveolar gas equation”.
Partial pressure of O₂in expired air (P_E O₂)
- 116 mm Hg

Q. 3

What is the partial pressure for oxygen in the alveolar air?

A		116 mm Hg
B		158 mm Hg
C		100 mm Hg
D		0.3 mm Hg

Ans. C

Explanation:

Partial pressure of O2 in alveolar air (PA O2) – 100 mm Hg.

Gaseous concentration & its partial pressure in alveoli:

1. Oxygen:

Concentration & partial pressure controlled by,

Rate of absorption of O2 into blood
Rate of entry of new O2 into lungs by ventilatory process.

Values:

Partial pressure of O2 in inspired air (Pi O2)
- 158 mm Hg
Partial pressure of O2 in alveolar air (PA O2)
- 100 mm Hg
- Calculated by “Alveolar gas equation”.
Partial pressure of O2 in expired air (PE O2)
- 116 mm Hg

Q. 4 What is the partial pressure for Carbon dioxide in the alveolar blood?

A		0.3 mm Hg
B		40 mm Hg
C		32 mm Hg
D		158 mm Hg

Ans. B

Explanation:

Partial pressure of CO₂in alveolar blood (P_A CO₂) – 40 mm Hg.

Carbon dioxide:

Partial pressure of CO₂in inspired air (P_i CO₂)
- 0.3 mm Hg
Partial pressure of CO₂in alveolar blood (P_A CO₂)
- 40 mm Hg
Partial pressure of CO₂ in expired air (P_E CO₂)
- 32 mm Hg

Q. 5 What is the partial pressure for carbon-di-oxide in the inspired air?

A		0.3 mm Hg
B		158 mm Hg
C		100 mm Hg
D		32 mm Hg

Ans. A

Explanation:

Partial pressure of CO2 in inspired air (Pi CO2) – 0.3 mm Hg

Carbon-di-oxide:

Partial pressure of CO2 in inspired air (Pi CO2)
- 0.3 mm Hg
Partial pressure of CO2 in alveolar blood (PA CO2)
- 40 mm Hg
Partial pressure of CO2 in expired air (PE CO2)
- 32 mm Hg.

Q. 6 What is the partial pressure for carbon-di-oxide in the expired air?

A		0.3 mm Hg
B		158 mm Hg
C		40 mm Hg
D		32 mm Hg

Ans. D

Explanation:

Partial pressure of CO2 in expired air (PE CO2) – 32 mm Hg

Carbon-di-oxide:

Partial pressure of CO2 in inspired air (Pi CO2)
- 0.3 mm Hg
Partial pressure of CO2 in alveolar blood (PA CO2)
- 40 mm Hg
Partial pressure of CO2 in expired air (PE CO2)
- 32 mm Hg.

COMPOSITION OF ALVEOLAR AIR

COMPOSITION OF ALVEOLAR AIR

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COMPOSITION OF ALVEOLAR AIR

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