Manuel Suffers from REM Behavior Disorder

question 138

Multiple Choice

Manuel suffers from REM behavior disorder.Because of the disorder,he:

• A) acts out his dreams because his voluntary muscles are not paralyzed
• B) experiences an increased percentage of time spent in REM
• C) has an excess of Stage 2 sleep
• D) has a paralysis of his legs during REM

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Definitions:

Meroblastic Cleavage

Cleavage pattern observed in the telolecithal eggs of reptiles and birds, in which cleavage is restricted to a small disc of cytoplasm at the animal pole. Compare with holoblastic cleavage.

Cleavage Pattern

The division of cells in the early embryo, determining the spatial arrangement of cells in the resulting organism.

Isolecithal Eggs

Eggs with a small amount of evenly distributed yolk, typically found in mammals including humans.

Telolecithal Eggs

Refers to eggs with a large amount of yolk concentrated at one end, typical in birds and reptiles.