Which of the following enzyme deficiencies in the urea cycle is considered to be the most severe and resistant to treatment in regard to urea cycle disorders?
a. Arginosuccinate sythetase
b. Arginase
c. Ornithine transcarbamylase
d. Arginosuccinate lyase
c
Nutritional Science
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Vitamin A toxicity is MOST LIKELY to occur from ________.
A. consuming high-dosage vitamin A supplements B. drinking too much vitamin A fortified milk C. eating liver more than once per week D. consuming too many dark green and deep orange vegetables
Nutritional Science
A ____________________ contraction occurs when the muscle lengthens
a. concentric b. eccentric c. isokinetic
Nutritional Science
Postgastrectomy diets limit the amounts of _____
a. fat b. sugar c. protein d. complex carbohydrate e. water
Nutritional Science
Active forms of which of these nutrients will support the immune response at the genetic level by switching genes on or off?
a. folate b. Vit D c. retinol d. B-6 e. beta-carotene
Nutritional Science