Nutrition Through the Life Cycle (...

6th Edition
Judith E. Brown
ISBN: 9781305628007



Nutrition Through the Life Cycle (...

6th Edition
Judith E. Brown
ISBN: 9781305628007
Textbook Problem

____ Which of the following physiological changes in pregnancy is abnormal?

  1. a. Plasma volume increases 30 percent
  2. b. Edema
  3. c. Increased concentrations of cholesterol, LD L cholesterol, triglycerides, HDL cholesterol
  4. d. Relaxed gastrointestinal tract muscle tone

Summary Introduction

Introduction: A pregnant woman undergoes certain physiological changes in her body as her pregnancy progresses. These changes are associated with the growth and development of the fetus. It can also result in side effects such as constipation, vomiting and nausea but a healthy lifestyle can prevent most of these changes.


Reason for the correct answer:

Option a. is given as “Plasma volume increases 30 percent”.

The plasma volume increases around 30% and the red blood cell (RBC) volume increases only by 20-30% during the second trimester of pregnancy. This results in an increase in blood pressure with no significant advantage to the fetus. Also, increase in plasma volume also increases the occurrence of fatigue and exhaustion in early stages of pregnancy.

Hence, option a. is correct.

Reasons for incorrect answers:

Option b. is given as “Edema”; it refers to the swelling that occurs during pregnancy especially in feet due to high blood pressure caused by increased plasma volume...

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