End of the year exam questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The inner ear consists of what three spaces? | Vestibule, semicircular canals, cochlea
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| What are the cells called that are responsible for the sense of taste? | Gustatory cells
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| What is generated by a general sense organ? | Touch and equilibrium
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| Dim light stimulates what in the eye? | Rods
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| Bright light stimulates what in the eye? | Cones
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| What occurs when the eyeball is too short? | Hyperopia/farsightedness
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| What is called 'the window of the eye'? | Cornea
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| What is the colored part of the eye? | Iris
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| What is the hole in the eye that allows light through? | Pupil
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| What is the layer of the eye that keeps light from scattering in the eye? | Choroid
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| What are the structures in the retina that are able to respond to color? | Cones
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| What is the white of the eye? | Sclera
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| What is the mucous membrance covering part of the sclera? | Conjunctiva
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| What is the structure that is changed in shape by the ciliary muscles to facilitate focus of light? | Lens
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| What is the innermost layer of the eye? | Retina
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| What are the structures in the retina that respond in dim light? | Rods
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| What is the water fluid found in front of the lens? | Aqueous humor
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| What is the jellylike fluid found behind the lens? | Vitreous humor
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| What is the ossicle that rests against the eardrum? | Malleus
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| What is another term for the external ear? | Pinna
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| What is the thicker fluid in the inner ear? | Endolymph
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| What is the structure that gives us our sense of balance? | Semicircular canal
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| What is the ossicle that rests against the oval window? | Stapes
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| What is another term for the eardrum? | Tympanic membrane
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| What is the specific organ of hearing? | Organ of Corti
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| What separates the middle ear from the inner ear? | Oval window
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| What is the thinner fluid in the inner ear? | Perilymph
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| What connects the throad to the middle ear? | Auditory tube
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| Explain the functioning of the sense of balance and equilibrium. | The organ of equilibrium is located in the inner ear (Crista ampullaris). Specialized mechanoreceptors for balance and equilibrium are in the semicircular canals and vestibule.
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| Why do steroid hormones not require a second messenger? | They are able to pass through the cell membrane.
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| What effect do tropic hormones have on endocrine glands? | They cause them to release hormones or grow.
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| What is the target organ for TSH? | Thyroid gland
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| What are the target cells for T4? | Almost all cells in the body
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| What stimulates the release of adrenal cortex hormone? | ACTH
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| What causes an increase in blood glucose level? | Glucagon
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| What causes a drop in blood glucose level? | Insulin
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| What causes a reduction in the blood calcium level? | Calcitonin
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| What stimulates the release of thyroid hormone? | TSH
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| What is a mineralocorticoid? | Aldosterone
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| What is a glucocorticoid? | Cortisol
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| What causes an increase in the blood calcium level? | Parathyroid hormone
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| What causes contraction of the pregnant uterus? | Oxytocin
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| What stimulates cell metabolism? | Thyroxine
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| What is the hormone that assists the body in regulating the internal clock? | Melatonin
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| What is the hormon released by the posterior pitutiary gland that accelerates the reabsorption of water from urine? | ADH
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| What is the hormone secreted by the cells of the heart that has the exact opposite effects of aldosterone? | ANH
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| Hormone that stimulates the primary ovarian follice to start growing in women | FSH
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| Hormone that assists in the body's "fight or flight" response |
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Created by:
lnromans
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