Practice Test Flashcards
Calcium is often associated with bone health, but why is it also important for muscular function?
It stimulates actin and myosin activity.
Which of the following is not an appropriate expectation for a CPT?
Prescribing a supplement
What might a Certified Personal Trainer do for someone in the precontemplation stage of change?
Provide them with education and knowledge
Which sense provides information about changes in pressure on the skin, muscle length, and joint angles?
Somatosensory system
In which phase of training would a person want to spend more time if they were looking to become better at beach volleyball and already has adequate leg strength?
Power Training
Which exercise is a total-body power-focused movement?
Two-arm push press
Active and dynamic stretching utilize which physiological action?
Reciprocal inhibition
Susan’s quadriceps have been identified as overactive. What type of flexibility training should be used first to help improve this muscle imbalance?
SMR and static stretching of the quadriceps
A client is performing a push-up exercise with a 4-3-2-1 repetition tempo. For how many seconds is the concentric muscle contraction performed?
2 seconds
What is a normal physiologic process of aging that results in arteries that are less elastic and pliable?
Arteriosclerosis
According to current research, what is the optimal range of daily protein intake to maximize muscle protein synthesis?
1.6 to 2.2 g/kg of body weight
What exercise equipment should clients always use when performing plyometric training, due to its high-impact nature?
Supportive shoes
When it comes to barriers to exercise, which statement is correct?
Barriers to exercise are often cited by people who are sedentary or infrequently active.
Which structures of the body does osteoporosis commonly affect?
Neck of the femur and the lumbar (low-back) vertebrae
Asking a client to close their eyes during a balance exercise would challenge which system?
Visual system
What duration does the National Academy of Sports Medicine (NASM) typically recommend for the cardiorespiratory portion of the warm-up?
Select one:
Between 5 and 10 minutes
Starting at what percentage of bone density loss does the risk of hip fracture increase by 2.5 times?
10%
When ADP is converted to ATP, what is this process called?
Phosphorylation
What breathing change occurs at the second ventilatory threshold (VT2)?
Expiration becomes more forceful.
In order to optimally load muscle during the eccentric phase, the fitness professional should recommend which of the following?
Lower the weight more slowly to increase time under tension
What is explained by the sliding filament theory?
The shortening of a sarcomere to produce a muscle contraction
How is VT1 identified when using the talk test during a cardio workout?
Continuous talking becomes challenging
Initially, how many sets of SAQ drills are recommended for older adults?
1 or 2 sets
Inadequate hydration and mild dehydration can have several negative effects on athletic performance, including which of the following?
Decreased blood flow
What percentage of adults experience low-back pain at least once in their lifetime?
80%
What best describes the all-or-nothing principle?
A motor unit will either contract maximally or not at all.
Which of the following statements would be accurate with regard to muscle force and velocity during a concentric contraction?
As the velocity of the muscle action increases, its ability to produce force decreases.
What are the three branched chain amino acids (BCAAs)?
Valine, leucine, and isoleucine
Which type of muscle fiber is predominantly used during movements that require high levels of force and power, such as a sprint?
Type II
What plyometric term relates to a rapid eccentric motion followed by an explosive concentric motion?
Stretch-shortening cycle
Which vitamin has an increased risk of causing toxicity?
Vitamin A