Pediatrics General 5519a4b3

Which one of the following is true of hyaline membrane disease of the newborn –

Prematurity provides relative protection of the occurrence

Maternal steroid exposure increase severity of the disease

Phosphatidyl glycerol estimation is a reliable method of diagnosis

Surfactant increases the surface tension of a iveoli

High-Yield Explanation

In HMD surfactant is reduced and its measurement can be used for diagnosis e.g. in shake test. Constituent of surfactant are - dipalmitoyl phosphatidylcholine (lecithin), phosphatidylglycerol, apoproteins (surfactant proteins SPA, SPB, SPC, SPD) and cholesterol.

Which one of the following is true of hyaline membrane disease of the newborn –

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