A No-Protein Diet with High Doses of L-Arginine Helps Patients

question 83

Multiple Choice

A no-protein diet with high doses of L-arginine helps patients with argininosuccinase deficiency because it __________ the concentration of __________.

• A) increases; fumerate that is metabolized by the citric acid cycle to lower ammonia levels
• B) increases; ammonia in the diet to keep them regulated
• C) increases; ornithine that is needed to maintain flux through the urea cycle
• D) decreases; citrulline to prevent ammonia toxicity

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Definitions:

Epididymis

An extended, twisted duct that holds sperm and conveys it from the testicles.

Bulbourethral Gland

The bulbourethral gland, also known as Cowper's gland, is a small gland in males that secretes a pre-ejaculate fluid that lubricates and neutralizes acidic conditions in the urethra.

Membranous Urethra

The portion of the urethra in males that runs through the urogenital diaphragm, involved in urine and reproductive fluid discharge.

Seminal Vesicle

A pair of glands that open into the vas deferens near its junction with the urethra and secrete many of the components of semen.