Skeletal
Nervous
Bioenergetics
Clinical Application
Terms
100

The connecting point between a motor neuron and muscle fiber is called the

neuromuscular junction.

100

The________ is an organ located in the inner ear and is responsible for maintaining general equilibrium

vestibular apparatus

100

The fats stored in muscle and adipose tissue that play an important role as an energy substrate are....

triglycerides.

100

Body temperature increases during exercise. A 2°C increase in muscle temperature during exercise would likely....

increase enzyme activity.

100

Enzymes are catalysts that increase the rate of reactions by

lowering the energy of activation.

200

Calcium is stored in muscle within the

sarcoplasmic reticulum.

200

Muscle spindles provide sensory information relative to the_________

length of muscle.

200

The simplest and most rapid pathway for producing ATP during exercise is through

ATP-CP system.

200

Which disease is characterized by a loss of 50% of alpha motor neurons by the age of 60?

Motor unit aging

200

The two most important electron carriers in bioenergetic chemical reactions are

NAD and FAD.

300

The formation of cross-bridges that initiate the contractile process in skeletal muscle is triggered by

ATP binding to the myosin cross-bridges.

300

The autonomic nervous system can be divided into two functional and anatomical divisions called_________

sympathetic and parasympathetic.

300

The rate-limiting enzyme in the Krebs cycle is

isocitrate dehydrogenase.

300

Which types of exercise are thought to be beneficial (offsetting disease symptoms) for many individuals who suffer from Multiple Sclerosis (MS)?

Both endurance and strength exercise

300

The term kinesthesia refers to_________

conscious recognition of the position of body parts with respect to each other.

400

Which type of muscle fiber has been shown to be the most efficient?

type I

400

The motor cortex is concerned with voluntary movement and is located within the_________

cerebrum.

400

If muscle glycogen is the initial substrate, the net production of ATP resulting during glycolysis is.

3 molecules.

400

Chronic traumatic encephalopathy is associated with_________ (3 answers)

loss of axons, neuronal death and chronic inflammation.

400

The cell membrane around a muscle fiber is called the

sarcolemma.

500

The sodium-potassium pump in neurons is an active transport pump that moves _________

3 molecules of sodium out of the cell and returns 2 molecules of potassium into the cell.

500

A "movement plan" is first developed by the_________ before being sent to spinal centers for modification.

motor cortex

500

The rate-limiting enzyme in the electron transport chain is

cytochrome oxidase.

500

When prescribing exercise for someone with Multiple Sclerosis (MS), it is best to tailor the workout relative to_________.

to accommodate for individual disease symptoms.

500

The joint receptors that provide the central nervous system with information about body position are called_________

proprioceptors.