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Unit 3
Question | Answer |
---|---|
The ability of a muscle to return to its original length is called ___. | elasticity |
Carry sensory and motor info to and from the brain → | interneurons, |
Carry sensory info to brain → | afferent neurons, |
largest part of brain composed of 4 lobes → | cerebrum, |
fight or flight → | sympathetic, |
relays conscious and unconscious thoughts → | diencephalon, |
rest and restore → | parasympathetic, |
Carry motor info to muscles → | efferent neurons |
controls muscle posture, tone, and balance → , | cerebellum |
sleeve of loose connective tissue that surrounds the fascicle. → | Perineurium, |
surrounds individual axons → | Endoneurium, |
outermost layer of dense convective tissue → | Epineurium, |
pons, midbrain, medulla oblongata → | brainstem |
V Trigeminal → | Face and mouth touch, chewing |
I Olfactory → | Smell, |
VIII Vestibulocochlear (auditory) → | Hearing, equilibrium, sensation, |
XI Spinal accessory → | Controls trapezius and sternocleidomastoid muscles and swallowing, |
IV Trochlear → | Innervates superior oblique muscle, turns eye downward and laterally, |
VI Abducens → | Turns eye laterally |
III Oculomotor → | Eyelid and eyeball movement, |
II Optic → | Vision |
IX Glossopharyngeal → | Taste, senses carotid blood pressure, |
X Vagus | → Senses aortic blood pressure, slows hear rate, stimulus digestive organs, taste, |
VII Facial → | Controls most facial expressions, secretion of tears and saliva, taste, |
XII Hypoglossal → | Movement of tongue muscles |
Nerve → | Neur/o, |
Movement, motion → | kinesi/o, |
Coordinates muscular activity → | Cerebellum |
Most protected brain part → | Brainstem |
The ability of a muscle to return to its original length is called ___. | elasticity |
The ability of a muscle to reduce the distance between the parts of its contents is ___. | contractibility |
_____ attach muscle to bone. | tendons |
The outermost layer surrounding muscle | epimysium |
The connective fibers around the muscle that divide it into individual compartments | perimysium |
The part of a skeletal muscle that is attached to a fixed structure is called the _____ | origin |
An injection given in the upper arm is called a _____ | deltoid injection |
The innermost layer surrounds each muscle fiber | endomysium |
Brain covering → | mening/o, |
Coordination → | taxo, |
Muscle → | my/o, |
Stupor → | Somn/o, |
Tone, tension, stretching → | ton/o |
Connects the brain and spinal cord → | Medulla, |
Ring-like → | Sphincter, |
Uppermost layer of the brain → | Cerebrum |
An injection given in the outer thigh muscle is called a | vastus latealis injection |
An injection given in the buttock is called a | gluetus medius injection |
The part of a muscle that is attached to a fixed structure is called the __. | origin |