Stack #83843
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| If you enter a room and smell a strong odor but the odor soon seems to fade away, you have experienced -. | sensory adaptation
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| Pain receptors are generally stimulated by -. | factors that can cause tissue damage
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| The olfactory receptors are examples of -. | chemoreceptors
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| Taste receptors are -. | modified epithelial cells
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| As a result of the tympanic reflex, - | vibrations are transmitted less effectively to the inner ear.
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| What are the 4 primary taste sensations? | sweet, salty, bitter, sour
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| The hearing receptors are most closely associated with -. | the organ or Corti
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| The range of human hearing is about -. | 20-20,000 vibrations per second
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| The lens of the eye thickens when the -. | ciliary muscles contract
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| The sets of color receptors within the retina are sensitive to lights are -, -, & -. | red, green, blue
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| The Golgi tendon organ is stimulated more when -. | muscle tension increases
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| When entering a dark room on a sunny day, why does it take some time to see in the dark room? | It takes some time for the retina to rebuild its rhodopsin stores from scotopsin and retinene.
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| Rhodopsin is found in -. | rod cells
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| Temperature senses employ two types of -. | free nerve endings
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| If a person's right visual cortex is damaged, the injury will most likely affect vision from -. | nasal side of one eye and the temporal side of the other eye
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| A sensation is -, and projection of a sensation is -. | a feeling that results from sensory stimulation; brain causing it to seem to come from the receptors being stimulated
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| By providing information concerning the body's internal status, the senses function to do which of the following? | maintain homeostasis
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| What is another name for pain receptors? | nociceptors
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| Movement of hair cells in the semicircular canals signals -. | the direction of motion
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| Bleaching is a result of -. | exposing the retina to excess sunlight
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| True or False: The auditory ossicles are located within the inner ear. | False (They're located in the middle ear.)
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| True or False: Receptors that are stimulated by changes in chemical concentrations are called thermoreceptors. | False (They're called chemoreceptors.)
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| True or False: Pain sensations arising from visceral organs may be caused by the stretching of tissues. | True
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| True or False: Endorphins are neuropeptides that have morphinelike actions. | True
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| True or False: Referred pain occurs when the brain projects the sensation back to the original source in the body from which the pain originated. | False (It feels like it's originating from a part other than the site being stimulated.)
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| True or False: The secretion of pituitary hormones is largely controlled by the thalamus. | False (They're mostly controlled by the hypothalamus.)
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| True or False: Oxytocin acts primarily on the kidneys and causes them to conserve water. | False (It's primarily produced by the posterior pituitary gland, and works as an antifiuretic, contracts smooth muscles in the uterine wall, and makes the breasts start lactating.)
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| True or False: Parathyroid hormone stimulates the activity of bone-resorbing osteoblasts. | Flase (Parathyroid hormone stimulates bone resorption by osteoCLASTS & nhibits the activity of osteoblasts.)
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| True or False: Cells of the adrenal medulla are closely associated with preganglionic fibers of the parasympathetic division of the autonomic nervous system. | False
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| True or False: The sex hormones from the adrenal cortex are primarily androgens. | True
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| Steroid hormones are soluble in lipids, combine with protein receptor molecules, & act by causing the synthesis of messenger RNA molecules. | True
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| Which of the following is secreted by nerve fibers in the posterior lobe of the pituitary gland? | Antidiuretic hormone (ADH)
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| Thyroxine functions to -. | enhance the rate at which proteins are synthesized
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| The secretion of parathyroid hormone is controlled primarily by the -. | concentration of blood calcium
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| What 2 hormones are secreted by the adrenal medulla? | epinephrine & noepinephrine
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| Aldosterone promotes the homeostasis of ions by causing the kidneys to -. | conserve sodium and excrete potassium
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| Insulin causes -. | a decrease in the concentration of blood glucose
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| As a result of the general response to stress, the blood concentrations of epinephrine -. | and cortisol rise
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| Target cells for releasing hormones are in the -. | anterior pituitary gland
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| Which of the following has both endocrine and exocrine functions? | The pancreas
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| Various anti-inflammatory drugs, such as aspirin, that are used to treat the symptoms of rheumatoid arthritis act by inhibiting the production of -. | prostaglandins
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| The blood concentration of growth hormone -. | rises at puberty and levels off after adolescence
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| The condition called diabetes insipidus is caused by -. | a lack of ADH
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| Oxytocin is sometimes administered to women following childbirth to stimulate -. | uterine contractions
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| Triiodothyronine is a hormone secreted by the -. | thyroid gland (T3, along with T4 & calcitonin)
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| A person with an abnormally high metabolic rate, who is underweight, and has protruding eyes is exhibiting symptoms of -. | hyperthyroidism
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| Diabetes mellitus is characterized by glucose in the urine, urine with high osmotic pressure, & excessive urine production. | True
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| Cortisol is useful in controlling inflammation reactions because it decreases the permeability of capillaries, inhibits the synthesis of prostaglandins, & stabilizes lysosomal membranes. | True
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| A hormone is defined as a -, & a target cell is defined as -. | substance that has a metabolic effect on another cell; a cell that possesses specific receptors for hormone molecules
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| What percentage of T4 is converted to T3 in peripheral tissues? | 33%
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