Personal Trainer MCQ Flashcards
7 cards from real ACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Personal Trainer MCQ flashcards as text
Which energy system predominantly fuels a 400-meter sprint?
Answer: Glycolytic system
The glycolytic (anaerobic lactic) system primarily fuels efforts lasting 30 seconds to 2 minutes, such as a 400-meter sprint.
A client's resting heart rate is 58 bpm. Using the Karvonen formula with a target intensity of 70%, what additional value is needed?
Answer: Heart rate reserve
The Karvonen formula requires heart rate reserve (HRmax − resting HR) to calculate target training heart rate.
Which muscle action occurs when the biceps brachii controls elbow extension during a slow lowering phase?
Answer: Eccentric
Eccentric contractions occur when a muscle lengthens under tension, as the biceps does while controlling elbow extension.
Which of the following is the primary function of the rectus abdominis?
Answer: Trunk flexion
The rectus abdominis primarily flexes the trunk by approximating the ribcage toward the pelvis.
When a client experiences sharp pain during an exercise, the trainer's FIRST response should be to:
Answer: Stop the exercise immediately
Sharp pain is a red flag that warrants immediate cessation of exercise to prevent injury.
Which principle explains why a deconditioned client experiences rapid strength gains in the first few weeks of training?
Answer: Neural adaptations
Early strength gains in beginners are primarily due to neural adaptations, including improved motor unit recruitment and coordination.
Which macronutrient provides 4 kcal per gram and is the body's preferred fuel source during moderate-to-high intensity exercise?
Answer: Carbohydrate
Carbohydrates provide 4 kcal/gram and are the preferred substrate during moderate-to-high intensity exercise due to their efficient conversion to ATP.