Which Is a Central Factor Responsible for Respiratory Distress Syndrome

question 42

Multiple Choice

Which is a central factor responsible for respiratory distress syndrome in a newborn?

• A) Absence of alveoli
• B) Immature bronchioles
• C) Overdeveloped alveoli
• D) Deficient surfactant production

---

Definitions:

Endangered Species

A species whose numbers are so severely reduced that it is in imminent danger of extinction throughout all or part of its range. Compare with threatened species.

Trematodes

A class of flatworms, commonly known as flukes, which are parasitic at some stage of their life cycle.

Habitat Destruction

The process by which natural habitat is rendered unable to support the species present, usually due to human activities such as agriculture or urban development.

Ex Situ Conservation

Conservation efforts that involve conserving individual species in human-controlled settings, such as zoos. Compare with in situ conservation.