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Chapter 5: Problem 5

Newborn infants spend about _________ \(\%\) of their sleep time in \(\mathrm{REM}\) while adults spend about __________ 96 of their sleep time in \(\mathrm{REM}\). A. \(20 ; 50\) B. \(50 ; 20\) C. \(20 ; 20\) D. \(50 ; 50\)

Short Answer

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Answer: Newborns - 50%, Adults - 20%

Step by step solution

01

We are given 4 options for the percentage of REM sleep for newborns and adults. We need to analyze and determine which option provides the correct percentages for both. Option A: Newborns - 20%, Adults - 50% Option B: Newborns - 50%, Adults - 20% Option C: Newborns - 20%, Adults - 20% Option D: Newborns - 50%, Adults - 50% #Step 2: Compare the options#

Based on general knowledge, we know that newborn infants spend a significant amount of their sleep time in REM sleep. On the other hand, adults spend a smaller percentage of their sleep time in REM sleep. We should therefore look for the option that reflects this relative difference. #Step 3: Eliminate incorrect options#
02

We can eliminate Option C and Option D since they indicate the same percentage for both newborns and adults, which contradicts our understanding. #Step 4: Choose the correct option#

Comparing Option A and Option B, we can see that Option B is the one that correctly reflects the higher percentage of REM sleep in newborns (50%) and the lower percentage in adults (20%). Thus, the correct answer is: Option B: Newborns - 50%, Adults - 20%

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