Nutrition Knowledge-Based Download PDF

Questions

1. 1.

   Which of the following vitamins is partially synthesized by mutualistic bacteria in the human large intestine and serves as an essential cofactor for the hepatic synthesis of blood clotting factors?

   • A) Vitamin B12
   • B) Vitamin K
   • C) Vitamin E
   • D) Vitamin C
2. 2.

   Which of the following water-soluble vitamins acts as an essential cofactor in collagen synthesis and must be regularly supplied in the human diet to prevent connective tissue breakdown?

   • A) Thiamine (Vitamin B1)
   • B) Cobalamin (Vitamin B12)
   • C) Ascorbic acid (Vitamin C)
   • D) Riboflavin (Vitamin B2)
3. 3.

   Which of the following dietary minerals is directly incorporated into the heme group of hemoglobin and myoglobin, making it essential for systemic oxygen transport in the human body?

   • A) Calcium
   • B) Magnesium
   • C) Iron
   • D) Potassium
4. 4.

   Which of the following vitamins is classified as fat-soluble and is required for the efficient intestinal absorption of dietary calcium in humans?

   • A) Vitamin C
   • B) Vitamin B1
   • C) Vitamin B12
   • D) Vitamin D
5. 5.

   Which of the following dietary carbohydrates cannot be hydrolyzed by human digestive enzymes, yet plays an essential nutritional role by providing bulk to stimulate peristalsis?

   • A) Starch
   • B) Glycogen
   • C) Cellulose
   • D) Maltose