1. Which statement is accurate concerning revearch on sleep deperivation? a. vir

Question

1. Which statement is accurate concerning revearch on sleep deperivation? a. virtually no negative effects are observed even ather long periods of sleep deprivation b sleep deprivation of the immune system s. sleep deprivation is associated with shon-term improverments in memory performuance d. long-term sleep deprivation is associatied with weight gain in animals 2. Which type of sleep is associated with dreaming a. b. REM sleep nonREM sleep Aperson's intelligence and personality are examples of the individualt's a. phenotype b. genotype 4. A human spenn cell contains a. 23 chromosomes b. 23 genes c. d. 46genes 46 chromosomes

Explanation / Answer

1. D) long term sleep deprivation is associated with weight gain in animals.

It has been found that subjects who were sleep restricted had shown to display more increase in weight. This was because of increased caloric intake along with clumsiness and reduced activities.

2. A) R.E.M. sleep

Dreaming occurs in the 5th stage of sleep, which is characterised by increased rate of respiration, eye movements as well as increased activity of brain. This occurs during the R.E.M. sleep.

3. B) genotype

The intelligence of a person differs in varying degrees on their genetic makeup. Personality traits are also determined by those.

4. C) 46 chromosomes

There are 23 pairs of chromosomes or 46 chromosomes.

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