Certain Changes Stimulate Chemoreceptors in the Aorta and Carotid Bodies

question 8

Multiple Choice

Certain changes stimulate chemoreceptors in the aorta and carotid bodies to prepare the fetus for initiating respirations immediately after birth.Which change in fetal physiologic activity is not part of this process?

• A) Fetal lung fluid is cleared from the air passages during labor and vaginal birth.
• B) Fetal partial pressure of oxygen (PO₂) decreases.
• C) Fetal partial pressure of carbon dioxide in arterial blood (PaCO₂) increases.
• D) Fetal respiratory movements increase during labor.

---

Definitions:

Breakeven Point

The financial state where total costs and total revenues are equal, meaning no net loss or gain is experienced by the business.

SCORE Chapter

A local branch of SCORE, a nonprofit association dedicated to helping small businesses get off the ground, grow, and achieve their goals through education and mentorship.

College

An educational institution or establishment, especially one providing higher education or specialized professional or vocational training.

University

An institution of higher education and research, which awards academic degrees in various disciplines.