Mr J Suffers from a Severe Case of Obsessive-Compulsive Disorder

question 4

Multiple Choice

Mr. J suffers from a severe case of obsessive-compulsive disorder. His symptoms have not responded to either medication or psychological therapies. As a last resort, his therapist suggests the possibility of a psychosurgical procedure, specifically an operation called

• A)lobotomy.
• B)lobectomy.
• C)cingulotomy.
• D)cingulectomy.

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Definitions:

Tyrosine Kinases

A family of enzymes that catalyze the transfer of a phosphate group from ATP to a tyrosine residue in a protein, playing key roles in signal transduction pathways.

Enzyme-Linked Receptors

A class of membrane receptors that, when bound to a ligand, activate an intrinsic enzyme activity, leading to a cellular response.

G Protein

A family of proteins that act as molecular switches inside cells, involved in transmitting signals from various stimuli outside a cell to its interior.

Adenylyl Cyclase

An enzyme that converts ATP to cyclic AMP (cAMP) in the cell's signaling pathways.