Author Question: The percentage of body water in children under 2 years of age compared with that of older children ... (Read 62 times)

jman1234 · **on:** Jun 27, 2018

The percentage of body water in children under 2 years of age compared with that of older children and adults is:

a. lower in intra- and extracellular fluid
b. higher mostly in extracellular fluid
c. about the same
d. varies significantly between all children

Question 2

The United States has which of the following ranks among the developed nations that have the lowest infant mortality rates (IMRs)?

a. 1 c. 23
b. 17 d. 30

taylorsonier · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

B

Feedback
A Incorrect. The percentage of body water in children under 2 years of age compared with that of older children and adults is never lower in intra- and extracellular fluid.
B Correct. Neonates, infants, and young children have a higher percentage of body water than adults (85 in a premature neonate, 70-75 in a neonate, compared to 50-60 in an adult), with a greater portion of this water in the extracellular fluid.
C Incorrect. The percentage of body water in children under 2 years of age compared with that of older children and adults is never about the same.
D Incorrect. The percentage of body water in children under 2 years of age compared with that of older children and adults does not vary significantly between all children, but becomes lower as children age into adulthood.

Answer to Question 2

D

Feedback
A Incorrect: The United States ranks 30th in the statistical rankings reported in 2008.
B Incorrect: Seventeenth is better than 30th, but also incorrect.
C Incorrect: Twenty third is better than 30th, but also incorrect.
D Correct: The United States ranks 30th in the statistical rankings reported in 2008.