What Are Characteristics of ß-Thalassemia Major

question 15

Multiple Choice

What are characteristics of ß-thalassemia major?

• A) It is a heterozygous form of thalassemiA.
• B) Its defect is the uncoupling of- and ß-chain synthesis.
• C) It is a fatal condition in which all four ß-forming genes are defective.
• D) It develops hemoglobin H when three genes are defective.

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Definitions:

Erectile Disorders

Difficulty with erections during partnered sexual activity.

Reflex Erections

Involuntary erections that occur in response to physical stimulation or psychological factors, independent of sexual desire.

Spontaneous Erections

Unplanned and involuntary erections of the penis that can occur without sexual arousal.

Sexual Aversion

A psychological disorder characterized by a persistent or recurrent extreme aversion to, and avoidance of, all or almost all, genital sexual contact with a sexual partner.