SCI 228 Week 1 Quiz 2025| Chamberlain University|
Actual Exam Questions and Correct Answers
Question 1: (CO1) Which of the following is not an essential nutrient?
A. Water
B. Fiber
C. Protein
D. Vitamin C
Correct answer: B
Explanation: Fiber is beneficial for digestion but not essential, as the body can function without
it, unlike water, protein, or vitamin C.
Question 2: (CO1) ___ are strongly accepted principles supported by many hypotheses that have
been collectively confirmed through repeated research.
A. Theories
B. Observations
C. Hypotheses
D. Experiments
Correct answer: A
Explanation: Theories are well-established principles backed by extensive, repeated scientific
research, unlike hypotheses, which are initial proposals.
Question 3: (CO1) Aim for fitness, build a healthy base, and choose sensibly are general
directives of:
A. USDA Organic Standards
B. Dietary Guidelines for Americans
C. FDA Food Labeling Regulations
D. MyPlate
Correct answer: B
, Explanation: These directives are part of the Dietary Guidelines for Americans, promoting
health through balanced diet and activity.
Question 4: (CO1) Jane consumed a breakfast that contained 85 grams of carbohydrates, 20
grams of protein, and 18 grams of fat. How many kilocalories did Jane eat at breakfast?
A. 582 kcal
B. 602 kcal
C. 622 kcal
D. 642 kcal
Correct answer: B
Explanation: Carbs: 85g × 4 kcal/g = 340 kcal; Protein: 20g × 4 kcal/g = 80 kcal; Fat: 18g × 9
kcal/g = 162 kcal. Total: 340 + 80 + 162 = 602 kcal.
Question 5: (CO1) What is the term that describes the process in which nutrients pass through
the wall of the gastrointestinal tract?
A. Digestion
B. Absorption
C. Metabolism
D. Excretion
Correct answer: B
Explanation: Absorption is the process by which nutrients cross the gastrointestinal wall into the
bloodstream or lymph.
Question 6: (CO1) A primary function of the mucus in the stomach is to:
A. Digest proteins
B. Protect the stomach lining
C. Absorb nutrients
D. Neutralize acid
Correct answer: B
Explanation: Mucus coats the stomach lining, protecting it from acid and pepsin damage.
Actual Exam Questions and Correct Answers
Question 1: (CO1) Which of the following is not an essential nutrient?
A. Water
B. Fiber
C. Protein
D. Vitamin C
Correct answer: B
Explanation: Fiber is beneficial for digestion but not essential, as the body can function without
it, unlike water, protein, or vitamin C.
Question 2: (CO1) ___ are strongly accepted principles supported by many hypotheses that have
been collectively confirmed through repeated research.
A. Theories
B. Observations
C. Hypotheses
D. Experiments
Correct answer: A
Explanation: Theories are well-established principles backed by extensive, repeated scientific
research, unlike hypotheses, which are initial proposals.
Question 3: (CO1) Aim for fitness, build a healthy base, and choose sensibly are general
directives of:
A. USDA Organic Standards
B. Dietary Guidelines for Americans
C. FDA Food Labeling Regulations
D. MyPlate
Correct answer: B
, Explanation: These directives are part of the Dietary Guidelines for Americans, promoting
health through balanced diet and activity.
Question 4: (CO1) Jane consumed a breakfast that contained 85 grams of carbohydrates, 20
grams of protein, and 18 grams of fat. How many kilocalories did Jane eat at breakfast?
A. 582 kcal
B. 602 kcal
C. 622 kcal
D. 642 kcal
Correct answer: B
Explanation: Carbs: 85g × 4 kcal/g = 340 kcal; Protein: 20g × 4 kcal/g = 80 kcal; Fat: 18g × 9
kcal/g = 162 kcal. Total: 340 + 80 + 162 = 602 kcal.
Question 5: (CO1) What is the term that describes the process in which nutrients pass through
the wall of the gastrointestinal tract?
A. Digestion
B. Absorption
C. Metabolism
D. Excretion
Correct answer: B
Explanation: Absorption is the process by which nutrients cross the gastrointestinal wall into the
bloodstream or lymph.
Question 6: (CO1) A primary function of the mucus in the stomach is to:
A. Digest proteins
B. Protect the stomach lining
C. Absorb nutrients
D. Neutralize acid
Correct answer: B
Explanation: Mucus coats the stomach lining, protecting it from acid and pepsin damage.
