Clinical Nutritionist CCN Trivia 2 — Questions and Answers
Question 1: Which vitamin is sometimes called the 'sunshine vitamin' because the body synthesizes it upon skin exposure to UVB radiation?
- Vitamin A
- Vitamin D (Correct answer)
- Vitamin K
- Vitamin E
Correct answer: Vitamin D
Vitamin D is synthesized in the skin when 7-dehydrocholesterol is converted to cholecalciferol (D3) upon UVB exposure.
Question 2: The Certified Clinical Nutritionist (CCN) credential is awarded by which professional organization?
- Academy of Nutrition and Dietetics
- Clinical Nutrition Certification Board (CNCB) (Correct answer)
- American Nutrition Association
- National Board for Certified Counselors
Correct answer: Clinical Nutrition Certification Board (CNCB)
The CCN credential is issued by the Clinical Nutrition Certification Board (CNCB), which sets the exam and continuing education standards.
Question 3: Which macronutrient provides 9 kilocalories per gram?
- Carbohydrate
- Protein
- Fat (Correct answer)
- Alcohol
Correct answer: Fat
Dietary fat yields 9 kcal/g, more than double the 4 kcal/g provided by carbohydrates and protein.
Question 4: Pellagra is the classic deficiency disease associated with inadequate intake of which B vitamin?
- Thiamine (B1)
- Riboflavin (B2)
- Niacin (B3) (Correct answer)
- Pyridoxine (B6)
Correct answer: Niacin (B3)
Pellagra presents with the 4 Ds — dermatitis, diarrhea, dementia, and death — and results from niacin (B3) deficiency.
Question 5: Which organ is primarily responsible for producing bile salts used in fat digestion?
- Pancreas
- Stomach
- Liver (Correct answer)
- Small intestine
Correct answer: Liver
The liver synthesizes bile acids from cholesterol; bile is stored in the gallbladder and released into the duodenum to emulsify dietary fats.
Question 6: The glycemic index (GI) of a food is measured relative to which reference food assigned a GI of 100?
- White rice
- Sucrose
- Glucose (Correct answer)
- White bread
Correct answer: Glucose
The standard GI scale uses pure glucose as the reference with a value of 100, against which all other foods are compared.
Question 7: Which amino acid is considered the primary precursor for the neurotransmitter serotonin?
- Tyrosine
- Phenylalanine
- Tryptophan (Correct answer)
- Glutamine
Correct answer: Tryptophan
Tryptophan is converted to 5-hydroxytryptophan (5-HTP) and then to serotonin via two enzymatic steps requiring vitamin B6 and other cofactors.
Clinical Nutritionist CCN Trivia 2
Which vitamin is sometimes called the 'sunshine vitamin' because the body synthesizes it upon skin exposure to UVB radiation?