Chronic deficiency of which of the following vitamins can impair heme synthesis and lead to the formation of small red blood cells with inadequate hemoglobin?

A) vitamin B6 B) folate C) vitamin B12 D) niacin


A

Nutritional Science

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Cholesterol ________.

A. is found naturally both in both plant and animal foods B. can be metabolized as a source of energy C. is essential to health D. must be consumed through dietary sources as theĀ  human body cannot make cholesterol

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In the United States, accidental overdose of which micronutrient is the most common cause of poisoning deaths in children under age six?

A) vitamin C B) iron C) zinc D) copper

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Which of the following is NOT a simple carbohydrate?

a. Starch b. White sugar c. Disaccharide d. Monosaccharide

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Glucagon raises blood glucose levels because it stimulates:

A) glycogenesis in the liver. B) gluconeogenesis in the liver. C) insulin receptors on certain cells. D) excessive ketone accumulation in the blood.

Nutritional Science