Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Unit 4 Study Guide
Anatomy and Physiology
| Question | Answer |
|---|---|
| the parts of a reflex arc are: | sensory (afferent) neurons->integrating ctr->interneurons (efferent) |
| which part of a reflex arc carries impulses from sensory receptors to the CNS? | sensory neurons |
| which part of a reflex arc carries impulses from the CNS to muscles and glands? | interneurons |
| in a reflex arc muscles and glands are classified as: | effactors |
| skeletal muscles are controlled by these PNS nerves: | somatic |
| part of the nervous system the includes the brain and spinal cord: | CNS |
| rough ER in cell body of neurons which are able to make neurotransmitters: | nissl substance |
| trace the path of an impulse through a neuron: | dendrite->cell body->axon->synapse-> |
| cells that make up the myelin sheath in the PNS: | schwan cells |
| cells that provide cushioning for neurons in the PNS: | satalite cells |
| cells that perform phagocytosis in the CNS: | microglia |
| cells that make up the myelin sheath in the CNS: | oligodendrocytes |
| ciliated cells that make and circulate cerebrospinal fluis (CSF): | ependymal |
| cells that make up the blood-brain barrier: | astrocytes |
| what is the name given to the gaps between schwann cells? | nodes of rompier |
| which of these can pass the blood-brain barrier readily? which cannot?: O2____, alcohol____, proteins_____, CO2_____, anesthetics_____, antibiotics____, | y; y; n; y; y; n |
| gray matter contains __________________axons; white matter contains____________axons | unmylenated; mylenated |
| chemical messengers which cross synapses are: | neurotransmitters |
| the reversal of charge on an axon which marks the passage of an impulse is: | depolarization |
| when a neuron is not conducting an impulse, it is in: | resting potential |
| identify the part of the brain that controls the pituitary gland: | hypothalmus |
| identify the part of the brain that contains the medulla oblongata, pons, and midbrain: | brainstem |
| identify the part of the brain that the medulla oblongata reflex centers control: | heart-rate, respiratory-rate |
| identify the part of the brain that controls conscious thinking and memory: | cerebrium |
| identify the part of the brain that controls coordination and movements: | cerebelum |
| identify the part of the brain that controls communication between herispheres of the cerebrum: | corpus callosum |
| a bundle of neurons in the PNS is a _______; in the CNS is a _________ | nerve; track |
| communication up and down the spinal cord is carried out by: | white matter tracks |
| the tough membrane that protects the spinal cord and brain: | meninges |
| name the layers of the meninges from superficial to deep: | dura mater, arachnoid, pia mater |
| inflammation of the meninges is called: | meningitis |
| name the division of the autonomic nervous system which is active during periods of stress: | sympathetic nervous system |
| name the division of the autonomic nervous system which handles routine body functions: | parasympathetic nervous system |
| cranial and spinal nerves are part of the: | CNS |
| which membrane covers the eyeball and eyelid? | conjunctiva |
| which fluid is located in the anterior segment? | aquious humor |
| which fluid is located in the posterior segment? | vitreous humor |
| which eye layer has blood vessles to provide nutrients to the other layers? | choroid |
| located in the center of the retina, the name means "yellow spot": | macula lutea |
| depression containing cones, but no rods; high visual acuity area: | fovea centralis |
| "blind spot" where the optic nerve leaves the retina: | optic disc |
| transparent window of the eye; lets light in: | cornea |
| glad that produces tears: | lacrimal gland |
| this structure drains fluid from the anterior segment: | scleral venous sinus |
| "white" of the eye; made up of tough, fibrous CT: | sclera |
| the__________muscles move the eyes alloving convergence. | extrensic |
| the ciliary muscle___________for close vision, allowing the lens to become rounded and_________for distance vision, allowing the lens to become flat | contracts; relaxes |
| process in which the lens becomes rounded for close vision: | accomodation |
| The_____controls the amount of light entering the eye by opening and closing the _________ | iris; pupil |
| the two intrinsic muscles are the______________ and_______ | ciliary muscle; iris |
| layer of the eye that contains photoreceptors and does visual processing: | retina |
| nerve that takes visual image to the brain: | optic nerve |
| part of the brain that interprets visual images: | occipital lobe |
| trace the path of light through the eye: | cornea->aqueous humor->pupil->lens->vitreous humor->retina |
| the receptors for hearing are located in this specific part of the cochlea: | organ of corti |
| the receptors for equilibrium are located in the_________________and______________ | semicircular canals; vestibule |
| membrane-lined spaces inside the ear are_____________labyrinth filled with_____________ | membranous; endolymph |
| bony labyrinth is lined by____________filled with_____________ | periosteum; perilymph |
| the bones of the middle ear are collectivly known as the___________and are called the 1)________ 2)___________ 3)___________ | ossicles; maleus; incus; stapes |
| structure that connects the middle ear to the nasopharynx: | auditory tube |
| external ear structure that is made up of elastic cartilage and gathers sound: | pina |
| the anatomical name for the eardrum is the: | tempanic membrane |
| which membrane supports the haie-like receptors for hearing? | basilar membrane |
| whicmembrane is superior to the hearing receptors? | tectorial membrane |
| pressure relief valve that "calms the waves" in the perilymph: | round window |
| which nerve carries hearing and equilibrium impulses from ear to brain? | vertibulocochlear nerve |
| what term is given to the maintenance of balance when a person is not moving, or moving in a straight line? | static equilibrium |
| what term is given to the maintenance of balance when a person is moving; especially rotational movements? | dynamic equilibrium |
| the receptors for static equilibrium are called____________ and are located in the___________ | maculae; vestibule |
| otoliths are ____________________and contribute to_________equilibrium | calcium carbonate "stones"; static |
| dynamic equilibrium receptors are called__________ and are located in_________________ | christae; semicircular canals |
| part of the brain that interprets hearing and equilibrium: | temporal lobe |
| located in the superior portionof the nasal cavity are the____________receptors, nonmotile cilia called___________________ | olfactory; olfactory receptor cells |
| sense of smell is carried toward the brain by the__________________and it is interpreted by__________and________________ | olfactory nerve; frontal; temporal lobe |
| the five tastes are: | salty, sour, sweet, bitter, umami |
| taste receptors are known as___________cells and are located on___________ | gustatory; papillae |
| which part of the brain interprets taste stimuli? | parietal lobe |
| which papillae have taste receptors? | circumvallate and fungiform |
Created by:
twilight52
Popular Science sets