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BIOL 1300 Exam 3
BIOL 1300 (Body Systems w/ Lab) Review for Exam #3 Spring 2012
| Question | Answer |
|---|---|
| What is the name of the division of the nervous system that exclusively controls skeletal muscles? | Somatic Nervous System |
| Fibers that conduct impulses away from the cell body are _____. | Axons |
| What is not a classification of neurons based on their structure? | TBD |
| Describe the epineurium. | A connective tissue around the whole nerve. |
| Define ganglion. | Any collection of nerve cell bodies located outside the CNS |
| Before the start of the action potential, the neuron membrane is ______. | at rest |
| What happens to a membrane in repolarization? | Potassium channels open late in the action potential. |
| Neurotransmitters bind to specific proteins on the postsynaptic membrane called ________. | receptors |
| Where is cerebrospinal fluid found? | Central canal of spinal cord |
| What is the difference between Schwann cells and oligodendrocytes? | TBD |
| Name the correct order of impulse conduction through a reflex arc (5 items). | 1. Receptor 2. Sensory Neuron 3. Interneuron 4. Motor Neuron 4. Effector |
| Where are cell bodies of sensory neurons found? | Dorsal Root Ganglion |
| What are the names of the two fibers/extensions of the neuron? | Dendrites & Axons |
| What is another name for the Vestibulocochlear nerve? | Acoustic Nerve |
| What is controlled by the hypothalamus? | Body temperature, hunger, thirst, fatigue, sleep, & circadian cycles |
| What system do the hippocampus and the reticular formation belong to? | limbic system |
| What is the cerebellum? Where is it located? | The part of the brain that coordinates movement and balances voluntary muscles. It's located in the rear of the head above the neck. |
| How does blood drain from the brain? | Durmal Sinuses |
| Name the layer of the meninges that most closely follows the contours of the brain? | Pia Mater |
| How does cerebrospinal fluid flow? | From the lateral ventricles to the 3 ventriche via the formina |
| What is the choroid plexus? | Vascular network in each ventricle |
| What is a fissure? | The deep grove that divides the Left and Right brain |
| Which lobe of the cerebrum lies posterior to the parietal lobe and extends over the cerebellum? | Occipital lobe |
| Where is the visual area of the cortex located? | Anterior to the receiving cortex |
| What happens in a patient with an injury in the Broca's area? | difficulty forming words |
| What connects the midbrain and the medulla oblongata? | The pons |
| What is an intrinsic muscle of the eye? | Superior rectus |
| An epidural hematoma results in bleeding into the space between which two areas of the head? | Dura Mater & Skull |
| What hormone opposes the effect of the parathyroid hormone? | Calcitonin |
| The phrenic nerve arises from which plexus? | Cervical Plexus |
| Name the cranial nerve that supplies motor impulses to the tongue. | Hypoglossal |
| What is the receptor for hearing? | cochle |
| The fronal and parietal lobes are separated by what/ | Central Sulcus |
| What is not a product of the adrenal gland? | TBD |
| What neurotransmitter is released at the neuromuscular junction during a reflex? | Acetylcholine |
| _________ is a general sense. | Proprioception |
| What area of the tongue is particularly sensitive to sweet tastes? | Tip of tongue |
| What is the middle, pigmented layer of the eye called? | Choroid/iris |
| Another word for the blind spot is __________. | optic disk |
| What is the point of sharpest vision called? | Fovea Centralis |
| Where are tears produced? | lacrimal glands |
| The receptors for vision are the ____ and _____. | rods and cones |
| What is rhodopsin? | Rod Pigment |
| What nerve that governs most of the extrinsic eye muscles? | Olculomotor nerve |
| What is the function of the maculae? | TBD |
| What is the scientific name for the eardrum? | Tympanic membrane |
| What gland secretes earwax? | Ceriminous glands |
| What are the receptors for pain? | TBD |
| Where is the thyroid gland located? | in the neck |
| The islets of Langerhans are found in the | TBD |
| The adrenal cortex produces _______. | cortisol |
| ____________ is a gonadotropic hormone. | LH (luetinizing hormone) |
| Name the gland that produces calcitonin. | Thyroid |
| The ossicle of the ear that is in contact with the tympanic membrane is the what? | Malleus |
| What causes myxedema in an adult? | Thyroxine |
| The arachnoid villi are not associated with what? | TBD |
| What is an atrial natriuretic peptide? | TBD |
| True or False: A neuron is not an example of a neuroglial cell | True |
| A hereditary disorder that prevents normal vibration of the stapes is called? | TBD |
| What type of neurons conduct impulses to the spinal cord and brain? | Sensory Neurons |
| Sciatica reflects neuritis in a nerve from the | lumbosacral plexus |
| The sympathetic motor neurons originate from cell bodes in the ______ and _____ regios of the spinal cord. | Thoracic & Lumbar |
| Describe diagnosis of multiple sclerosis. | Body is attacking myelin sheath |
| In the ____________, one would find vital centers that regulate respiration and the heart. | Medulla Oblongata |
| What characteristics do you notice if viewing part of the cerebellum under a microscope? | That the structure contains an outer layer of gray matter & an inner layer of white matter (shaped like a tree). |
| What nerve controls movement of the eye? | Occulomoter nerve, abducens |
| What cranial nerve is concerned with the sense of smell? | Olfactory nerve |
| What would cause multi-infarct dementia? | Seizures & strokes |
| Describe glaucoma. | Vague visual disturbances which are caused by excess pressure of the acqueous humor? |
| ______ is a special sense. | Taste |
| Pain resulting from an unprovoked poke of the eye will be transmitted along which cranial nerve? | Opthalmic branch of the trigeminal nerve |
| Deficiency in Vitamin A can result in _________________. | poor night vision |
| Diabetes insipidus can result from a lack of | ADH (Antidiuretic Hormone) |
| What is prostaglandin? | Local hormones produced by most body tissue |
| The suffix -poiesis means _______. | making, forming |
| What is the best treatment for anaphylaxis? | Epinephrine (adrenaline) |
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Desy91
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