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| The __________ serves as a relay station for sensory information that goes to the cerebral cortex interpretation. | thalamus |
| The _______ ________ controls many vital activities, including heart rate,blood pressure,respiration and associated with coughing sneezing and vomiting. | medulla oblongata |
| Some ________ causes auras that may include the appearance of jagged lines or flashing lights, tunnel vision, hallucinations, or the detection of strange odors. | Migraines |
| When the outside of a neuron's membrane becomes LESS POLAR the neuron has | depolarized |
| ________ occurs when paris of the brain receives a burst of electrical signals thats disrupts normal brain functioning. | Epilepsy/seizure |
| _________ areas located in the ________ _______ interpret sensations felt on or within the body. | somatosensory/parietal lobe |
| The __________ track of the spinal cord carries motor information down from the brain to the muscles and glands. | descending |
| The_________ _______ contains the ______ ______ that control the arm muscles. | cervical enlargement/motor neurons |
| The ______ are the membranes that protect the brain and spinal cord | meninges |
| _______ ______ ____ )(MRI) Is useful in detecting tumors, bleeding or other abnormalities in the brain spinal cord | magnetic resonance imaging |
| The grooves of the surface of the cerebrum are called | sulci |
| _____ _____ _____ (ALS) Also known as _________ ___ ____ is a fatal disorder characterized the degeneration of neurons in the spinal cord and brain | Amyotrophic Lateral sclerosis /Lou Gehrigs disease |
| star-shaped cells within the nervous system that anchor blood vessels to the nerve cells are called | astrocytes |
| The __________ branch of the autonomic nervous system prepares the body for resting and digesting by keeping the heart and breathing rates low and activating the digestive glands and the muscles if the stomach and intestines. | parasympathetic |
| The _______ is the largest part of the brain and is divided into halves | cerebrum |
| following effect on the speed of impulse conduction | Axon diameter |
| ________ and_____- ions play important roles in generating nerve impulses | potassium and sodium |
| The _______ _____ controls heart rate, blood pressure and respiration | Medulla Oblongata |
| The _______ is located between the cerebral hemispheres superior to the brain stem . it includes the thalamus and hypothalamus | diencephalon |
| The cell membranes of the Schwann cells contains large amounts of , a fatty substance that insulates the axons and allows them to send nerve impulses quickly. | myelin |
| ________ contains the motor areas that allow a person to move. | frontal lobe |
| which cranial nerves innervate the muscles of the throat ,neck and voice box | accessory nerves |
| ______ headaches are generally more severe and intense than other and are more often experienced by men | cluster |
| although there is no cure for _______ _____ syndrome, with proper medical support and treatment, it is fatal. most people recover completely although some people report permanent muscle weakness. | Guillain-Barre' |
| _____ _____ contains the neuron cell bodies and their dendrites. | gray matter |
| _____ _____ detect sensory stimuli such as a hot surface and send impulses to tell the central nervous system that pain is perceived. | afferent nerves |
| Alzheimers's or Demetria testing is | PET scan |
| ____ _____ include a loss of feeling in the face, the ability to produce facial expressions, headache and excessive tearing or drooling. | Bell's palsy |
| _____ _____ will occur when enough sodium ions enter a cell and reach a critical level called the ________. If the threshold is reached a cell ____ _____ will occur. | action potential/threshold/membrane potential |
| ______ happens the brain is not involved in the process | reflex |
| The gustatory cortex located in the ______ interprets taste sensations. | brain |
| The gustatory cortex located in the ______ interprets taste sensations. | cerumen impaction |
| The inner ear is a very complex system of communicating chambers and tubes known as the ________. | labyrinth |
| Rapid, irregular eye movements that may be horizontal, vertical, or rotary, depending on the underlying cause, are symptoms of ________. | Nystagmus |
| Which of these is the tough, outermost layer of the eye, also called the "white of the eye"? | Sclera |
| Smell receptors send information to the ________ nerves. | Olfactory |
| When the head moves, fluids in the ________ canals move and activate the equilibrium receptors. | semicircular |
| Which of these produce tears and secrete enzymes to destroy bacteria and viruses in the eye? | Lacrimal glands |
| An abnormal ringing in the ears is called ________. | tinnitus |
| The watery fluid that provides nutrients to and bathes the structures in the anterior chamber of the eyeball is the ________. | Aqueous Humor |
| The ____ maintains equal pressure on both sides of the eardrum. | eustachian tube |
| The cornea, lens, and fluids help focus the light onto the retina by bending it in a process known as ________. | refraction |
| Which of the following defines hearing loss? | A loss of the ability to hear sounds at normal levels |
| Muscles in the ________ control the shape of the lens of the eye. | Ciliary Body |
| The ____ is a wedge-shaped thickening in the middle layer of the eyeball that controls the shape of the lens. | ciliary body |
| When spicy foods are eaten, which receptors on the tongue are activated? | Pain |
| he three tiny bones called ear ossicles are the malleus, ________, and stapes. | incus |
| Which of these is in the posterior chamber of the eye? | Vitreous humor |
| Which of the following is the inner layer of the eye, which contains rods and cones? | retina |
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pblack0196