Raquel Has Occasions When She Eats Enormous Amounts of Food

question 96

Multiple Choice

Raquel has occasions when she eats enormous amounts of food in a short time. Afterwards she will refuse to eat anything solid for a couple of days. Her most likely diagnosis is

• A) anorexia nervosa, binge-purging type.
• B) bulimia nervosa, nonpurging type.
• C) anorexia nervosa, restricting type.
• D) bulimia nervosa, purging type.

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Definitions:

Ectoderm

The outermost layer of an embryo in early development, giving rise to the nervous system and external skin layers.

Hypoblast

The layer of cells inside the blastocyst (an early stage of the embryo), which contributes to the formation of the yolk sac and is involved in early embryonic development.

Epiblast

A layer of cells derived during the early development of an embryo, giving rise to all three primary germ layers.

Fertilization

Process that begins with the penetration of the secondary oocyte by the spermatozoon and is completed with the fusion of the male and female pronuclei.