Rhenis Nursing Rhenis Nursing
HESI Maternity
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Hint : 🧠Focus on how blood volume changes during pregnancy rather than only diet.

Correct Answers:

  • Plasma volume increases, making the blood count appear low.


Rationale :

🩸In pregnancy, plasma volume increases more than red blood cell mass, which causes hemodilution and a lower measured hemoglobin and hematocrit.

📈This pattern is called physiologic anemia of pregnancy, and it is common around the late second trimester and third trimester.

🧪Because the client’s values are only mildly below the pregnancy reference range, the key explanation is the normal volume expansion effect rather than severe iron-deficiency anemia.

📃Teaching that hemodilution can make labs “look low” helps the client understand why her intake of green vegetables may not fully prevent this expected lab shift.

📌Core Message

In late pregnancy, rising plasma volume can cause hemodilution that lowers measured hemoglobin and hematocrit even when nutrition is reasonable.

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