Free CNS Fundamental Principles of Nutrition Questions and Answers

Question 1

Biotin deficiency was once called _______________.

Accepted Answer

egg white injury

Answer

Explanation:
Biotin deficiency was once referred to as "egg white injury" because consuming large amounts of raw egg whites over a prolonged period can lead to biotin deficiency due to avidin, a protein in egg whites, binding to biotin and preventing its absorption. This highlights the importance of understanding nutrient interactions and sources in the context of nutrition.

Question 2

Folate is needed for which of the following types of reactions in the body?

Accepted Answer

Single-carbon transfer reactions

Answer

Explanation:
Folate is essential for single-carbon transfer reactions in the body, playing a crucial role in processes such as DNA synthesis, amino acid metabolism, and methylation reactions. These reactions involve the transfer of one-carbon units, which are necessary for various biochemical pathways. Understanding the role of folate in single-carbon transfer reactions is fundamental to grasping its importance in overall health and metabolism.

Question 3

Which of these vitamins contains cobalt?

Accepted Answer

Vitamin B12

Answer

Explanation:
Vitamin B12, also known as cobalamin, contains cobalt. Cobalt is a crucial component of the vitamin's structure, playing a central role in its biological activity. Vitamin B12 is essential for various physiological processes, including DNA synthesis, red blood cell formation, and neurological function. Understanding the association between cobalt and vitamin B12 is fundamental to comprehending the roles and functions of this vitamin in human health.

Question 4

The main function of vitamin C in the body is:

Accepted Answer

involvement as an antioxidant

Answer

Explanation:
The main function of vitamin C in the body is acting as an antioxidant. Vitamin C helps neutralize harmful free radicals, thereby protecting cells and tissues from oxidative damage. This function is crucial for overall health and plays a role in various physiological processes, including immune function, collagen synthesis, and wound healing. Understanding the antioxidant properties of vitamin C is fundamental to grasping its importance in maintaining health and preventing diseases associated with oxidative stress.

Question 5

Which of the following organs can be damaged in response to choline deficiency?

Accepted Answer

Liver

Answer

Explanation:
Choline deficiency can lead to liver damage. Choline is essential for the synthesis of phospholipids, which are important components of cell membranes. Without an adequate intake of choline, fat can accumulate in the liver, leading to fatty liver disease and potentially progressing to more severe liver damage. Understanding the role of choline in liver health is fundamental to recognizing the importance of this nutrient in overall nutrition and wellness.

CNS - Certified Nutrition Specialist Exam Practice Test

CNS - Certified Nutrition Specialist Exam Practice Test

Free CNS Fundamental Principles of Nutrition Questions and Answers