Section 3
Motor learning involves the integration of motor control processes with practice and experience, leading to a relatively permanent change in:
The capacity to produce skilled movements
Which of the following is within a Certified Personal Trainer's (CPT) scope of practice regarding nutrition?
Offering general guidelines on good nutrition practices
Which component of daily energy expenditure refers to the energy expended during structured exercise?
Exercise Activity Thermogenesis (EAT)
The right side of the heart is referred to as the pulmonic side because it pumps:
Deoxygenated blood to the lungs
Which endocrine gland secretes insulin and glucagon to regulate blood glucose levels?
Pancreas
Protein is comprised of 20 amino acids, how many of which are considered essential and must be obtained through diet?
Nine
Dietary supplements can be broadly classified into which two categories?
Health and performance supplements
Movements such as bicep curls, tricep pushdowns, and squats occur primarily in which plane of motion?
Sagittal plane
At rest or during lower-intensity activity, which macronutrient is the body's primary fuel source?
Fats
The concept of modern dietary supplements, as we understand them today, first originated with which product in the 1940s?
A simple multivitamin product
The intrinsic awareness of movement and bodily position in space is known as:
Proprioception
The imaginary plane that bisects the body into right and left sides is known as the:
Sagittal plane
Muscle gain strategies include resistance training combined with adequate caloric and protein intake, with an emphasis on:
High biological sources of protein
Nutrition is defined as the process of acquiring nutrients through food to support:
Energy needs and cellular processes like growth
Which type of vitamin is generally more transient and less likely to produce toxicity?
Water-soluble vitamins
Dietary supplements are technically defined as products intended to supplement the diet that contain one or more:
Vitamin, mineral, amino acid, or herb
Which type of muscle fiber is characterized by being smaller in size, producing less force, and being fatigue resistant?
Type 1 slow-twitch fibers
Which of the following is true regarding the regulation of dietary supplements in the US?
They don't require review prior to marketing
An exercise where the body is anchored to the ground or an object, recruiting multiple muscle groups and joints, is known as a:
Closed-chain movement
The muscle spindle is a mechanoreceptor sensitive to change in:
Muscle length and the rate of length change
The First Law of Thermodynamics, in relation to energy usage in the human body, is referred to as:
Energy balance
A muscle acting as the prime mover for a joint motion, such as the quadriceps for knee extension, is called a(n):
Agonist
What is the caloric value per gram for carbohydrates?
4 calories per gram
Which blood vessels are the smallest and function as an exchange channel between vessels and bodily tissues?
Capillaries
Which type of lipid is generally associated with health benefits like reduced inflammation and improved heart health?
Monounsaturated and polyunsaturated omega-3 fats
The first ventilatory threshold (VT1) is the point at which breathing volume increases to deliver more oxygen, and:
Carbohydrates and fat contribute equally to energy production
Which type of bone is typically found in the patella and other areas where tendons pass over joints?
Sesamoid bones
Which metabolic pathway generates energy very quickly for high-intensity, short-duration activities?
The ATP-PC system
Glycogen, the storage form of carbohydrates, is primarily stored in which two locations?
Liver and skeletal muscle
The human movement system (HMS) is an integrated functioning of which three systems?
Nervous, skeletal, and muscular systems
Normal resting heart rate ranges from:
60 to 100 beats per minute
The primary role of protein in the body is the synthesis and repair of:
Tissues, organs, hormones, and peptides
The functional unit of the muscular system where muscle contraction occurs is called a:
Sarcomere
Neuroplasticity refers to the CNS's ability to develop through changes in neuronal connections with the acquisition of new:
Movement skills
Biomechanics is the study of mechanical laws or principles relating to movement, specifically how the body creates movement at the joints during:
Exercise and physical activity
Which sensory receptors respond to mechanical forces, such as touch or pressure?
Mechanoreceptors
When carbohydrate stores run low, the liver produces which molecules as a byproduct of fatty acid breakdown?
Ketone bodies
Caffeine increases wakefulness and attention by chemically blocking receptors that create the sense of feeling:
Tired
Bioenergetics is the study of the ways in which food is turned into:
ATP
What is the primary role of a fitness professional in helping clients with nutrition?
To act as a filter for reliable, science-based information
Glycolysis primarily uses which macronutrient as its fuel source?
Carbohydrates
The 'all or nothing principle' of muscle contraction states that if a nerve impulse is strong enough, it will:
Spread through the whole muscle fiber for a full contraction
Micronutrients, which include vitamins, minerals, and phytonutrients, are not considered energy sources but are important for:
Regulation of various metabolic processes
For fat loss, strategies primarily involve a deficit in caloric intake while minimizing the loss of:
Lean body mass
Adequate hydration is essential for optimal health, training, and performance due to its role in:
Regulating body temperature and transporting nutrients
Which part of the digestive system is responsible for the absorption of many essential nutrients?
The small and large intestines
Which of the following is a fat-soluble vitamin?
Vitamin D
Simple sugars include monosaccharides and disaccharides. Which of the following is a monosaccharide?
Glucose
The nervous system is made up of a specialized network of nerves that primarily transmits:
Information within the human body
Which lever class is the most predominant in the human body?
Third-class levers
The hormone cortisol, stimulated by the adrenal cortex, is considered a catabolic hormone and is sensitive to:
Blood sugar and sleep
Ligaments are fibrous tissues that connect:
Bone to bone
A normal respiratory rate for adults is typically:
12 to 16 breaths per minute
Omega-3 fats, often supplemented as fish oil, are primarily known for their role in preventing:
Cardiovascular disease
An overstretched or torn tendon is known as a:
Strain
A key responsibility for fitness professionals when discussing supplements is to:
Stay strictly within their professional scope of practice
Which blood component is responsible for fighting infections?
White blood cells
Which type of third-party verification is mentioned as evidence to support the safety and effectiveness of supplements?
NSF Certified for Sport certification
Which professional is most appropriate for a CPT to refer clients to for medical condition treatment or specific nutritional deficiencies?
A registered dietitian or doctor
Lateral shoulder raises and side lunges are examples of movements primarily occurring in the:
Frontal plane
The process of holding in breath during exercise while contracting the abdominals to increase spinal rigidity is called the:
Valsalva maneuver
Which two divisions comprise the nervous system?
Central and peripheral nervous systems
Which part of the heart is known as the pacemaker because it initiates the electrical signal that causes the heart to beat?
The sinoatrial (SA) node
Creatine is a naturally produced compound made from three amino acids and primarily stored in which part of the body?
Skeletal muscle
The cardiorespiratory system is an umbrella term for which two systems?
Cardiovascular and respiratory systems
The sympathetic nervous system is responsible for the body's 'fight or flight' response, which involves:
Increasing neural activity and releasing hormones
Which term describes the movement occurring through a given range of motion when force is produced and muscle tension is developed?
Isotonic muscle action
The axial skeleton is made up of the skull, rib cage, and the:
Vertebral column
Food labels provide important information on ingredients and nutritional values that can help clients make informed decisions about their:
Nutrition and fitness goals
The oxidative system is the only energy pathway that can utilize which types of substrates?
All types, including carbs, fats, proteins, and ketone bodies