NEET PG & INI-CET - Pre-Clinical Sciences (Anatomy, Physiology & Biochemistry)

Renal, Endocrine & Gastrointestinal Physiology question bank (Medical Physiology)

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Q1.

In clinical evaluation regarding surfactant function in pulmonary mechanics (Case Vignette #1): Which of the following observations or mechanisms is most accurate?

(A)

Composed predominantly of sphingomyelin and albumin

(B)

Reduces alveolar surface tension, preventing atelectasis in small alveoli (Laplace's Law)

(C)

Increases alveolar surface tension to promote elastic recoil

(D)

Produced primarily by Type I pulmonary alveolar pneumocytes

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Q2.

In clinical evaluation regarding carbon dioxide transport in blood (Case Vignette #3): Which of the following observations or mechanisms is most accurate?

(A)

Majority of CO2 is carried as carbamino compounds on albumin

(B)

The majority of CO2 is carried in plasma as bicarbonate (HCO3-)

(C)

Majority of CO2 is physically dissolved in plasma

(D)

CO2 does not enter erythrocytes during peripheral transit

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