Theresa Is 24 Weeks Pregnant and Has Gone into Early

question 401

Multiple Choice

Theresa is 24 weeks pregnant and has gone into early labour.The fetus ___.

• A) will not survive because Theresa is miscarrying
• B) will not survive because there is likely a chromosomal abnormality
• C) will survive because it is almost full term
• D) may survive because it has passed the age of viability

---

Definitions:

Node of Ranvier

Gaps in the myelin sheath of nerve fibers where the axonal membrane is exposed to the extracellular space, facilitating rapid signal transmission.

Action Potential

A rapid rise and subsequent fall in membrane potential across a cellular membrane, crucial for the propagation of electrical signals in nerve and muscle cells.

Local Potentials

Electrical changes in neurons that are confined to a small region, serving as the initial response to stimuli, potentially leading to action potentials.

Membrane Potential

The voltage difference across a cell's plasma membrane due to the differential distribution of ions.