CPA Nutrition & Dietary Needs 3 — Questions and Answers
Question 1: A petroleum apprentice working rotating 12-hour shifts needs to maintain energy levels throughout the night shift. What eating strategy is most effective?
- Eat one large meal at the start of the shift
- Skip meals to avoid drowsiness
- Consume smaller, balanced meals and snacks at regular intervals (Correct answer)
- Rely on high-sugar snacks for quick energy boosts
Correct answer: Consume smaller, balanced meals and snacks at regular intervals
Smaller, balanced meals distributed throughout the shift stabilize blood sugar and sustain energy without causing post-meal fatigue.
Question 2: Which vitamin is essential for calcium absorption and plays a role in bone health, which is critical for workers who carry heavy loads?
- Vitamin C
- Vitamin K
- Vitamin D (Correct answer)
- Vitamin B12
Correct answer: Vitamin D
Vitamin D is required for the intestinal absorption of calcium, supporting strong bones that resist fracture under heavy physical loads.
Question 3: Protein is especially important in the diet of petroleum workers because it primarily helps to:
- Provide immediate energy during strenuous tasks
- Repair and rebuild muscle tissue damaged during physical labor (Correct answer)
- Regulate blood pressure in hazardous environments
- Improve night vision during evening shifts
Correct answer: Repair and rebuild muscle tissue damaged during physical labor
Protein supplies amino acids used to repair micro-tears in muscle tissue caused by heavy physical work, supporting recovery between shifts.
Question 4: A petroleum apprentice's diet is very low in iron. Which job-related symptom is most likely to worsen as a result?
- Skin rashes from chemical exposure
- Fatigue and reduced physical endurance (Correct answer)
- Increased risk of heat stroke
- Poor decision-making and reaction time
Correct answer: Fatigue and reduced physical endurance
Iron is needed to produce hemoglobin, which carries oxygen to muscles; iron deficiency reduces oxygen delivery and causes fatigue and poor endurance.
Question 5: Which of the following snacks would provide the best sustained energy for a petroleum worker during a mid-shift break?
- A candy bar
- A bag of plain potato chips
- A handful of mixed nuts and dried fruit (Correct answer)
- A regular soda
Correct answer: A handful of mixed nuts and dried fruit
Mixed nuts and dried fruit combine healthy fats, protein, and complex carbohydrates for sustained energy release without a rapid sugar crash.
Question 6: Omega-3 fatty acids in the diet of oilfield workers are beneficial primarily because they:
- Increase muscle mass rapidly
- Reduce inflammation and support cardiovascular health (Correct answer)
- Accelerate wound healing from cuts and abrasions
- Improve bone density under heavy loads
Correct answer: Reduce inflammation and support cardiovascular health
Omega-3 fatty acids have anti-inflammatory properties and support heart health, which is important for workers under physical and environmental stress.
Question 7: A petroleum worker who skips breakfast before a physically demanding morning shift is most likely to experience which consequence?
- Increased muscle protein synthesis
- Reduced core body temperature
- Decreased alertness and energy, raising accident risk (Correct answer)
- Improved fat metabolism during the shift
Correct answer: Decreased alertness and energy, raising accident risk
Skipping breakfast depletes glycogen stores, leading to low blood sugar, reduced cognitive function, and fatigue that increases the likelihood of workplace accidents.
CPA Nutrition & Dietary Needs 3
A petroleum apprentice working rotating 12-hour shifts needs to maintain energy levels throughout the night shift.
What eating strategy is most effective?