PTC Nutrition for Personal Training 1

Question 1

How many calories are in one gram of carbohydrate?

Accepted Answer

4 calories

Answer

Carbohydrates provide 4 calories per gram, the same as protein, while fat provides 9 calories per gram.

Question 2

Which macronutrient is the body's preferred fuel source during high-intensity exercise?

Accepted Answer

Carbohydrate

Answer

Carbohydrates, stored as muscle glycogen and circulating blood glucose, are the preferred fuel during high-intensity exercise because they can be broken down rapidly for ATP production.

Question 3

As a personal trainer in the US, which of the following nutrition tasks falls WITHIN your scope of practice?

Accepted Answer

Providing general nutrition education based on established dietary guidelines

Answer

Personal trainers may provide general nutrition education aligned with established guidelines (USDA MyPlate, DRIs), but medical nutrition therapy and clinical interventions require a registered dietitian.

Question 4

What is the general protein intake recommendation for individuals engaged in regular resistance training?

Accepted Answer

1.4–2.0 g/kg body weight

Answer

Research supports protein intakes of 1.4–2.0 g/kg body weight per day for individuals engaged in regular resistance training to support muscle protein synthesis and recovery.

Question 5

Which vitamin is synthesized by the skin upon exposure to sunlight and supports bone health?

Accepted Answer

Vitamin D

Answer

Vitamin D is produced in the skin through ultraviolet B radiation exposure and plays a critical role in calcium absorption and bone mineralization.

PTC - Personal Trainer Certificate Practice Test

PTC - Personal Trainer Certificate Practice Test

PTC Nutrition for Personal Training 1