Section 3 practice

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At what age is total peak bone mass reached?

30

What is the acceptable macronutrient distribution range (AMDR) for carbohydrate in the diet?

45-65%

What is the most accurate description of motor control?

The ability to initiate and correct purposeful controlled movements

Which vitamin has an increased risk of causing toxicity?

Vitamin A

What are the components of ATP?

Adenine, Ribose and 2 phosphate groups

Movements that take place within a joint and are not visible to the human eye may be classified in what way?

Arthrokinematic

Which of the following muscles is primarily targeted when performing a biceps curl exercise with the thumb u?

Branchioradialis

During short, high intensity exercise, what is the primary fuel source for the body?

Carbohydrates

What term is used to describe muscle tension that is created without a change in muscle length and no visible movement of the joint?

Concentric

Why is third party verification important?

It provides unbiased testing for a product

Which heart chamber gathers oxygenated blood coming to the heart from the lungs?

Left atrium

Which joint has the simplest movement, moving iether back and forth or side to side?

Nonaxial

Which system puts the body into a relaxed state, termed rest and digest?

Parasympathetic nervous system

Which of the following muscle groups work eccentrically in the sagittal plane during the lowering phase of the squat?

Quadriceps

Which of the muscle groups work both eccentrically and concentrically in the sagittal plane during a squat?

Quadriceps

What is the process by which bone is constantly renewed?

Remodeling

Which of the following components of total daily energy expenditure (TDEE) is responsible for the most energy expenditure throughout the day?

Resting metabolic rate (RMR)

Which component contributes the most to total energy expenditure (TEE)?

Resting metabolism

Which heart chamber receives deoxygenated blood and pumps it to the lungs?

Righ ventricle

Which plane of movement can be described as an imaginary line that bisects the body into right and left sides?

Sagittal

Which characteristic is exhibited by type 1 muscle fibers?

Slow to fatigue

What are the 3 pathways through which the body can produce ATP?

The ATP-PC system, glycolysis, and oxidative phosphorylation

How should an eccentric muscle action be described?

The development of muscle tension during lengthening of the contractile tissue

What is explained by the sliding filament theory?

The shortening of a sarcomere to produce a muscle contraction

What is the purpose of interverbral discs?

They act as shock absorbers

What is acidosis in muscle?

a decrease in pH, which can lead to feelings of fatigue

What best describes an essential amino acid?

an amino acid that must be obtained via diet as it is not produced by the body

What are the two categories of bone markings?

depressions and processes

What is purpose of the intervertebreal discs?

they act as shock absorbers


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