Straighterline Nutrition Final exam Flashcards 2026
|ACTUAL EXAMS |A+ GRADED 100 % VERIFIED
ANSWERS!!!
,STRAIGHTERLINE NUTRITION
FINAL EXAM PRACTICE QUESTIONS
QUESTIONS 1–10 (LONG • MOST TESTED • HIGH DIFFICULTY)
QUESTION 1 — Macronutrient Energy (VERY HIGHLY TESTED)
Which statement BEST explains why dietary fat is the most energy-dense macronutrient?
A. Fat increases insulin secretion more than carbohydrates
B. Fat contains more carbon-hydrogen bonds per gram
C. Fat is absorbed more quickly than protein
D. Fat requires less digestion
✅ Correct Answer: B
Explanation:
Fat provides 9 kcal/gram because it contains more carbon-hydrogen bonds, which release energy when
metabolized.
QUESTION 2 — AMDR (EXAM FAVORITE)
According to the Acceptable Macronutrient Distribution Ranges (AMDR), what percentage of total daily
calories should come from carbohydrates?
A. 10–20%
B. 20–35%
C. 45–65%
D. 60–75%
✅ Correct Answer: C
Explanation:
The AMDR for carbohydrates is 45–65% of total daily calories.
QUESTION 3 — Protein Quality (HIGH DIFFICULTY)
Which protein source is considered complete because it contains all essential amino acids in adequate
amounts?
,A. Black beans
B. Brown rice
C. Lentils
D. Eggs
✅ Correct Answer: D
Explanation:
Animal proteins like eggs are complete proteins. Most plant proteins lack one or more essential amino
acids.
QUESTION 4 — Glycemic Index vs Load (COMMON TRAP)
Why is glycemic load (GL) considered more useful than glycemic index (GI)?
A. GL measures fiber content
B. GL considers portion size and carbohydrate amount
C. GL measures insulin levels directly
D. GL applies only to diabetics
✅ Correct Answer: B
Explanation:
GL accounts for both the quality (GI) and quantity of carbohydrates consumed.
QUESTION 5 — Fiber Types (VERY TESTED)
Which type of fiber is MOST effective at lowering blood cholesterol levels?
A. Insoluble fiber
B. Cellulose
C. Soluble fiber
D. Lignin
✅ Correct Answer: C
Explanation:
Soluble fiber binds bile acids, reducing cholesterol absorption.
QUESTION 6 — Fatty Acids (EXAM FAVORITE)
Which fatty acid type is associated with the greatest increase in LDL cholesterol?
A. Monounsaturated fat
B. Polyunsaturated fat
, C. Saturated fat
D. Omega-3 fatty acids
✅ Correct Answer: C
Explanation:
Saturated fats raise LDL cholesterol more than other fats.
QUESTION 7 — Micronutrient Deficiency (VERY HIGHLY TESTED)
A deficiency of vitamin D is MOST likely to result in:
A. Scurvy
B. Night blindness
C. Osteomalacia
D. Pernicious anemia
✅ Correct Answer: C
Explanation:
Vitamin D deficiency leads to osteomalacia in adults (soft bones).
QUESTION 8 — Iron Absorption (COMMON EXAM TRAP)
Which factor enhances non-heme iron absorption?
A. Calcium
B. Phytates
C. Vitamin C
D. Fiber
✅ Correct Answer: C
Explanation:
Vitamin C converts iron into a more absorbable form.
QUESTION 9 — Water Balance (HIGH DIFFICULTY)
Which hormone plays the PRIMARY role in regulating water balance in the body?
A. Insulin
B. Aldosterone
C. Antidiuretic hormone (ADH)
D. Cortisol
✅ Correct Answer: C
|ACTUAL EXAMS |A+ GRADED 100 % VERIFIED
ANSWERS!!!
,STRAIGHTERLINE NUTRITION
FINAL EXAM PRACTICE QUESTIONS
QUESTIONS 1–10 (LONG • MOST TESTED • HIGH DIFFICULTY)
QUESTION 1 — Macronutrient Energy (VERY HIGHLY TESTED)
Which statement BEST explains why dietary fat is the most energy-dense macronutrient?
A. Fat increases insulin secretion more than carbohydrates
B. Fat contains more carbon-hydrogen bonds per gram
C. Fat is absorbed more quickly than protein
D. Fat requires less digestion
✅ Correct Answer: B
Explanation:
Fat provides 9 kcal/gram because it contains more carbon-hydrogen bonds, which release energy when
metabolized.
QUESTION 2 — AMDR (EXAM FAVORITE)
According to the Acceptable Macronutrient Distribution Ranges (AMDR), what percentage of total daily
calories should come from carbohydrates?
A. 10–20%
B. 20–35%
C. 45–65%
D. 60–75%
✅ Correct Answer: C
Explanation:
The AMDR for carbohydrates is 45–65% of total daily calories.
QUESTION 3 — Protein Quality (HIGH DIFFICULTY)
Which protein source is considered complete because it contains all essential amino acids in adequate
amounts?
,A. Black beans
B. Brown rice
C. Lentils
D. Eggs
✅ Correct Answer: D
Explanation:
Animal proteins like eggs are complete proteins. Most plant proteins lack one or more essential amino
acids.
QUESTION 4 — Glycemic Index vs Load (COMMON TRAP)
Why is glycemic load (GL) considered more useful than glycemic index (GI)?
A. GL measures fiber content
B. GL considers portion size and carbohydrate amount
C. GL measures insulin levels directly
D. GL applies only to diabetics
✅ Correct Answer: B
Explanation:
GL accounts for both the quality (GI) and quantity of carbohydrates consumed.
QUESTION 5 — Fiber Types (VERY TESTED)
Which type of fiber is MOST effective at lowering blood cholesterol levels?
A. Insoluble fiber
B. Cellulose
C. Soluble fiber
D. Lignin
✅ Correct Answer: C
Explanation:
Soluble fiber binds bile acids, reducing cholesterol absorption.
QUESTION 6 — Fatty Acids (EXAM FAVORITE)
Which fatty acid type is associated with the greatest increase in LDL cholesterol?
A. Monounsaturated fat
B. Polyunsaturated fat
, C. Saturated fat
D. Omega-3 fatty acids
✅ Correct Answer: C
Explanation:
Saturated fats raise LDL cholesterol more than other fats.
QUESTION 7 — Micronutrient Deficiency (VERY HIGHLY TESTED)
A deficiency of vitamin D is MOST likely to result in:
A. Scurvy
B. Night blindness
C. Osteomalacia
D. Pernicious anemia
✅ Correct Answer: C
Explanation:
Vitamin D deficiency leads to osteomalacia in adults (soft bones).
QUESTION 8 — Iron Absorption (COMMON EXAM TRAP)
Which factor enhances non-heme iron absorption?
A. Calcium
B. Phytates
C. Vitamin C
D. Fiber
✅ Correct Answer: C
Explanation:
Vitamin C converts iron into a more absorbable form.
QUESTION 9 — Water Balance (HIGH DIFFICULTY)
Which hormone plays the PRIMARY role in regulating water balance in the body?
A. Insulin
B. Aldosterone
C. Antidiuretic hormone (ADH)
D. Cortisol
✅ Correct Answer: C
