Pregnancy, Infants and Children, and
Aging Adults 2025/2026 Exam Questions
and Answers | 100% Solved
Pregnancy - 🧠 ANSWER ✔✔Adaptation of CV system to support fetus and
mother
Plasma volume - 🧠 ANSWER ✔✔Increases by 40% during pregnancy
Red cell mass - 🧠 ANSWER ✔✔Increases by 30% during pregnancy
Stroke volume - 🧠 ANSWER ✔✔Increases due to increased circulating
volume
Heart rate (HR) - 🧠 ANSWER ✔✔Increases by 15% to 25% during
pregnancy
, Cardiac output (CO) - 🧠 ANSWER ✔✔Increases by 30% to 45% during
pregnancy
Arterial blood pressure (BP) - 🧠 ANSWER ✔✔Decreases in pregnancy due
to peripheral vasodilation
Fetal heart - 🧠 ANSWER ✔✔Functions early, begins to beat at the end of 3
weeks' gestation
Fetal circulation - 🧠 ANSWER ✔✔Compensates for nonfunctional lungs
Foramen ovale - 🧠 ANSWER ✔✔Shunts oxygenated blood from right to left
side of fetal heart
Ductus arteriosus - 🧠 ANSWER ✔✔Detours oxygenated blood from
pulmonary artery to aorta
Inflation and aeration of lungs - 🧠 ANSWER ✔✔Produces circulatory
changes at birth
Closure of foramen ovale - 🧠 ANSWER ✔✔Occurs within the first hour after
birth
Closure of ductus arteriosus - 🧠 ANSWER ✔✔Occurs usually within 10 to
15 hours after birth