On a Routine Visit,your Patient,who Has Just Completed the Fifth

question 9

Multiple Choice

On a routine visit,your patient,who has just completed the fifth month (gestational age) of her pregnancy,asks: how big is my child? What is the correct answer to her question?

• A) About 5.5 cm or 2 inches crown-rump length
• B) About 12 cm or 4.5 inches crown-rump length
• C) About 30 cm or 12 inches crown-rump length
• D) About 42.5 cm or 16.5 inches crown-rump length
• E) About 51 cm or 20 inches crown-rump length

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Definitions:

Intercellular Spaces

Gaps or areas between the cells of plants or animals, allowing for the exchange of gases or the passage of nutrients.

Facilitated Diffusion

A process in which substances move across cell membranes with the help of carrier proteins, without the expenditure of energy.

Osmosis

The diffusion of water through a semipermeable membrane from a region of low solute concentration to a region of high solute concentration.

Simple Diffusion

The movement of molecules from an area of high concentration to an area of low concentration without the need for energy input, often across a permeable membrane.