Trivia Flashcards
7 cards from real Clinical Nutritionist CCN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Trivia flashcards as text
Which vitamin is sometimes called the 'sunshine vitamin' because the body synthesizes it upon skin exposure to UVB radiation?
Answer: Vitamin D
Vitamin D is synthesized in the skin when 7-dehydrocholesterol is converted to cholecalciferol (D3) upon UVB exposure.
The Certified Clinical Nutritionist (CCN) credential is awarded by which professional organization?
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.
Which macronutrient provides 9 kilocalories per gram?
Answer: Fat
Dietary fat yields 9 kcal/g, more than double the 4 kcal/g provided by carbohydrates and protein.
Pellagra is the classic deficiency disease associated with inadequate intake of which B vitamin?
Answer: Niacin (B3)
Pellagra presents with the 4 Ds — dermatitis, diarrhea, dementia, and death — and results from niacin (B3) deficiency.
Which organ is primarily responsible for producing bile salts used in fat digestion?
Answer: Liver
The liver synthesizes bile acids from cholesterol; bile is stored in the gallbladder and released into the duodenum to emulsify dietary fats.
The glycemic index (GI) of a food is measured relative to which reference food assigned a GI of 100?
Answer: Glucose
The standard GI scale uses pure glucose as the reference with a value of 100, against which all other foods are compared.
Which amino acid is considered the primary precursor for the neurotransmitter serotonin?
Answer: Tryptophan
Tryptophan is converted to 5-hydroxytryptophan (5-HTP) and then to serotonin via two enzymatic steps requiring vitamin B6 and other cofactors.
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Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- cncb.org — Renewal, test delivery, eligibility, passing score, score validity, fees, time limit · verified Oct 2026