Font size
WorksheetsEx Phys Chapter 5 test
Total questions: 50
Worksheet time: 13hrs 30mins
Human movement is accomplished through the functional integration of three systems within the human body: the nervous system, the skeletal system, and what other system?
Digestive
Muscular
Vascular
Coronary
What is the concept that describes the human body as a chain of interdependent links that work together to perform movement?
Kinetic chain
Golgi Tendon Organ
Nervous system
Proprioception
Calcium is often associated with bone health, but why is it also important for muscular function?
It helps transmit the motor signal.
It converts ADP back to ATP.
It stimulates actin and myosin activity.
It helps the nerve impulse cross from the synapse into the muscle.
What best describes the all-or-nothing principle?
All muscle fibers contract, or none at all do.
The switch from type I to type Il muscle fibers
The switch from type Ila to type lix muscle fibers
A motor unit will either contract maximally or not at all.
What is the name of the specialized cell that is the functional unit of the nervous system?
Nucleus
Neuron
Axon
Spindles
Which type of muscle fiber has a large number of capillaries?
Type lla
Type l
Type lll
Type llx
Which part of a cell is responsible for using nutrients to create energy for the cell?
Organelles
Effector sites
Mitochondria
Electrolytes
One of the two interdependent divisions of the nervous system is the central nervous system. What is the second division?
Autonomic nervous system
Somatic nervous system
Peripheral nervous system
Sympathetic nervous system
What are the two components of the central nervous system?
The brain and spinal cord
The nerves and sensory receptors
The somatic and autonomic nervous systems
The sympathetic and parasympathetic nervous systems
What is the primary purpose of the peripheral nervous system?
To coordinate the activity of all parts of the body
To transmit impulses between afferent and efferent neurons
To transmit nervous impulses from neuron to neuron
To connect the central nervous system to the rest of the body
Which system supplies neural input to organs that run the involuntary processes of the body?
Somatic nervous system
Mechanoreceptors
Autonomic nervous system
The brain
When a client's heart rate is raised during cardio activities, this is being caused by which system?
Sympathetic nervous system
Parasympathetic nervous system
Somatic nervous system
Central nervous system
Which system puts the body into a relaxed state, termed rest and digest?
Sympathic nervous system
Somatic nervous system
Central nervous system
Parasympathetic nervous system
When a gymnast balances on a beam, they are aware of their body's general orientation and the relative position of its parts. This is due to which key sensory function?
Wolff’s law
Proprioception
Stretch reflex
Nuroplasticity
A person walks differently when they move from a sidewalk onto the sand. This is regulated by what function?
Motor function
Muscle function
Nuroplasticity
Wolff’s law
Which mechanoreceptor is sensitive to changes in muscular tension and rate of that tension change, causing the muscle to relax, which prevents the muscle from excessive stress and possible injury?
Joint receptors
Golgi tendon organs
muscle spindles
Interneurons
At what age is the adolescent brain considered to be fully developed?
30
25
22
18
Humans can learn new things at any stage of life, due to which process that causes the brain to reform neural pathways?
Neurocircuitry
Neuromotor skills
Remodeling
Neuroplasticity
Which type of muscle fiber is predominantly used during movements that require high levels of force and power, such as a sprint?
Type l
Type lll
Type ll
Type la
What is explained by the sliding filament theory?
The lengthening of a sarcomere after a muscle contraction
The shortening of a sarcomere to produce a muscle contraction
The actin pulling the myosin toward the center of the sarcomere
The Z-lines moving farther apart
What are the two divisions of the skeletal system?
Upper and lower
Anterior and posterior
Osteoclasts and osteoblasts
Axial and appendicular
Which division of the skeleton is made up of the arms, legs, and pelvic girdle?
Appendicular
Axial
Lateral
Peripheral
What is the process by which bone is constantly renewed?
Remodeling
Wolff’s law
Osteoporosis
Nuroplasticity
Weight-bearing exercise helps strengthen bones through what process?
Lengthening
Remodeling
Osteoporosis
Nuroplasticity
What are the two components of a sarcomere?
Epimysium and endomysium
Tropomyosin and troponin
Actin and myosin
Muscle fiber and muscle cell
What is a characteristic of a type II muscle fiber?
Increased oxygen delivery
Slow to fatigue
Smaller in size
Short-term contractions
What is the bone type of the clavicle, radius, and ulna?
Irregular
Short
Long
Flat
What is a characteristic of a type I muscle fiber?
Larger in size
Less force production
Quick for fatigue
Fewer capillaries
What are the two categories of bone markings?
Depressions and processes
Surface and deep
Irregular and flat
Short and long
What is the function of the neuromuscular junction?
The site where the nervous system and muscle fibers communicate
The site of muscular contractions
The sliding filament theory
Exposing actin-binding sites
What is the name for projections protruding from the bone to which tendons and ligaments attach?
Bone spurs
Depressions
Processes
Sulcus
Which of the following protein structures is important for muscular contractions by providing a binding site?
Actin
Troponin
Myosin
Fascicles
What is the correct order of segments for the spine, starting at the top?
Thoracic, cervical, and lumbar
Cervical, lumbar, and thoracic
Lumbar, cervical, and thoracic
Cervical, thoracic, and lumbar
Which of these is one of the major curvatures of the spine?
Posterior lumbar curve
Anterior lumbar curve
Anterior cervical curve
Posterior thoracic curve
Which term describes the movement of bones, such as flexion and extension?
Arthrokinematics
Osteoporosis
Osteokinematics
Arthropathy
Which of the following is the functional unit of a muscle cell?
Actin
Myosin
Endomysium
A sarcomere
Which joints are most associated with human movement?
Nonaxial
Saddle
Nonsynovial
Synovial
Which joint has the simplest movement, moving either back and forth or side to side?
Synovial
Nonsynovial
Condyloid
Nonaxial
Which joint is the most mobile, able to move in all three directions?
Pivot
Ball-and-socket
Saddle
Hinge
What is the purpose of the intervertebral discs?
They minimize movement of the spine.
They support most of the body's weight and are attached to many back muscles.
They act as shock absorbers.
They provide support for the head.
Which type of joint includes the sutures of the skull?
Nonsynovial
Ball-and-socket
Pivot
Condyloid
What is the fibrous tissue that connects bone to bone?
Collagen
Tendon
Ligament
Elastin
At what age is total peak bone mass reached?
18
30
25
35
What are the three types of muscles in the body?
Actin, myosin, and sarcomere
Somatic, autonomic, and peripheral
Cervical, thoracic, and lumbar
Skeletal, cardiac, and smooth
What surrounds the skeletal muscles and connects them to other surrounding muscles?
Fascia
Connective tissues
Tendons
Muscle spindles
What is the correct order of fascia, starting with the most superficial?
Endomysium, perimysium, epimysium
Epimysium, perimysium, endomysium
Perimysium, endomysium, epimysium
Epimysium, endomysium, perimysium
What is it called when a ligament is overstretched or torn?
A strain
A waist
A Pull
A Sprain
What is the term for the chemical messengers that cross the synapse between the neuron and muscle and assist with nerve transmission?
Adenosine triphosphate
Sarcomeres
Neurotransmitters
Synapses
Which characteristic is exhibited by type I muscle fibers?
Decreased oxygen delivery
Slow to fatigue
Short-term contractions
Fewer capillaries
What activity is especially beneficial for combating the loss of muscle mass, power, and strength for aging adults?
Resistance training
Cardio
Aerobics
Walking
