Which of the Following Should the Nurse Be Aware of with Regard

question 17

Multiple Choice

Which of the following should the nurse be aware of with regard to the development of the respiratory system?

• A) The respiratory system does not begin developing until after the embryonic stage.
• B) The infant's lungs are considered mature when the lecithin/sphingomyelin (L/S) ratio is 1:1, at about 32 weeks.
• C) Maternal hypertension can reduce maternal-placental blood flow, accelerating lung maturity.
• D) Fetal respiratory movements are not visible on ultrasound scans until at least 16 weeks.

---

Definitions:

Inoculation

A preventive strategy, often in the form of a vaccine, to protect against infectious diseases.

Dental Work

Medical procedures and treatments involving the teeth and gums, including fillings, extractions, cleanings, and orthodontics.

Stress

A physical or psychological response to external stimuli that are perceived as challenging or threatening to an individual's well-being.

Shocks

In a psychological context, refers to an unexpected or disturbing event that causes emotional distress. In a physical context, it can refer to a sudden and violent blow or impact.