Author Question: The age at which infants first exhibit the classic sleep stages seen in adults is ____ months. a. ... (Read 154 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
The age at which infants first exhibit the classic sleep stages seen in adults is ____ months.
 
  a. 6 c. 12
  b. 9 d. 18

Question 2

Sleep spindles occur at a frequency of ____ cycles/s.
 
  a. 4 to 7 c. 14 to 16
  b. 9 to 13 d. <3.5



harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

ANS: C
By 12 months of age, infants exhibit the classic sleep stages seen in adults.

Answer to Question 2

ANS: B
Sleep spindles are waveforms with waxing and waning amplitude that occur at a frequency of 9 to 13 cycles/s.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

For a complete list of videos, visit our video library