Which Water-Soluble Vitamin Must First Be Bound to the Intrinsic

question 68

Multiple Choice

Which water-soluble vitamin must first be bound to the intrinsic factor secreted by the gastric mucosa before it can be absorbed by the intestinal epithelium?

• A) vitamin B₂ (riboflavin)
• B) vitamin C (ascorbic acid)
• C) vitamin B₁₂ (cobalamin)
• D) vitamin B₅ (pantothenic acid)
• E) vitamin B₆ (pyridoxine)

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Definitions:

Psychoanalysis

A set of psychological theories and therapeutic methods which focus on the unconscious mind, developed by Freud.

Communication Problems

Difficulties in exchanging information, where messages may not be effectively transmitted or understood.

Genital Level

A phase in psychoanalytic theory associated with mature adult sexuality and the harmonious integration of love and sexual desire, typically emerging during puberty.

Psychoanalyst

A therapist who practices psychoanalysis, a therapeutic technique originally developed by Sigmund Freud that explores unconscious motivations and conflicts.