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| 1 | |
The senses of smell and taste depend on the presence of _____. |
| | A) | thermoreceptors |
| | B) | chemoreceptors |
| | C) | photoreceptors |
| | D) | mechanoreceptors |
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| 2 | |
Chemoreceptors are found only in the vertebrates. |
| | A) | True |
| | B) | False |
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| 3 | |
Chemical messages passed between individuals are called _____. |
| | A) | neurotransmitters |
| | B) | hormones |
| | C) | pheromones |
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| 4 | |
In amphibians, chemoreceptors _____. |
| | A) | locate mates |
| | B) | detect harmful chemicals |
| | C) | find food |
| | D) | all of the above |
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| 5 | |
In insects, chemoreceptors are found largely on their feet. |
| | A) | True |
| | B) | False |
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| 6 | |
In humans, taste buds can be found on the _____. |
| | A) | hard palate |
| | B) | epiglottis |
| | C) | tongue |
| | D) | all of the above |
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| 7 | |
Sweet receptors are concentrated _____. |
| | A) | toward the back of the tongue |
| | B) | along the margins of the tongue |
| | C) | near the tip of the tongue |
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| 8 | |
There are _____ primary types of tastes. |
| | A) | two |
| | B) | four |
| | C) | six |
| | D) | eight |
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| 9 | |
Chemoreception is believed to be the most primitive sense. |
| | A) | True |
| | B) | False |
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| 10 | |
When molecules in our food bind the receptor proteins of a taste bud, nerve impulses are generated in associated _____ nerve fibers. |
| | A) | sensory |
| | B) | motos |
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| 11 | |
Each olfactory receptor cell has olfactory cilia which bear a number of different receptor proteins for odor molecules. |
| | A) | True |
| | B) | False |
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| 12 | |
Aromas can arouse vivid memories because the olfactory bulbs have direct connections with the _____. |
| | A) | occipital lobe |
| | B) | hypothalamus |
| | C) | cerebellum |
| | D) | limbic system |
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| 13 | |
In humans, the olfactory cells are located in the roof of the nasal cavity. |
| | A) | True |
| | B) | False |
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| 14 | |
When you have a cold, food tastes bland because you've temporarily lost your sense of taste. |
| | A) | True |
| | B) | False |
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| 15 | |
Part of what we refer to as smell may actually be taste. |
| | A) | True |
| | B) | False |
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| 16 | |
Image forming eyes are found among _____. |
| | A) | annelids |
| | B) | molluscs |
| | C) | cnidarians |
| | D) | all of the above |
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| 17 | |
Compound eyes are found among _____. |
| | A) | arthropods |
| | B) | flatworms |
| | C) | echinoderms |
| | D) | roundworms |
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| 18 | |
Nectar guides on flowers _____. |
| | A) | can't be seen by humans |
| | B) | highlight the reproductive parts of the flower |
| | C) | are seen by insects whose eyes respond to ultraviolet rays |
| | D) | all of the above |
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| 19 | |
A camera-type eye is found in _____. |
| | A) | insects |
| | B) | planaria |
| | C) | octopuses |
| | D) | all of the above |
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| 20 | |
Among mammals, only primates have color vision. |
| | A) | True |
| | B) | False |
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| 21 | |
Vertebrates have a camera-type eye like those seen in certain molluscs. |
| | A) | True |
| | B) | False |
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| 22 | |
The presence of a camera-type eye in certain molluscs and vertebrates suggests they are closely related and the eye is the result of divergent evolution. |
| | A) | True |
| | B) | False |
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| 23 | |
Vision is dependent upon the presence of _____. |
| | A) | chemoreceptors |
| | B) | photoreceptors |
| | C) | mechanoreceptors |
| | D) | thermoreceptors |
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| 24 | |
All animals have some photoreceptors. |
| | A) | True |
| | B) | False |
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| 25 | |
The eyespots of planaria allow them to determine _____. |
| | A) | the direction of light |
| | B) | only the presence of light |
| | C) | the intensity of light |
| | D) | all of the above |
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| 26 | |
Photoreceptors generate nerve impulses which pass to the brain by way of _____ nerve fibers. |
| | A) | motor |
| | B) | trigeminal |
| | C) | vagus |
| | D) | optic |
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| 27 | |
The innermost layer of the human eye is the _____. |
| | A) | sclera |
| | B) | retina |
| | C) | cornea |
| | D) | choroid |
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| 28 | |
Only the _____ of the human eye contains photoreceptors. |
| | A) | lens |
| | B) | humors |
| | C) | retina |
| | D) | iris |
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| 29 | |
The _____ is like the diaphragm on a microscope since it regulates the entrance of light. |
| | A) | lens |
| | B) | pupil |
| | C) | cornea |
| | D) | iris |
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| 30 | |
Light is refracted by the _____. |
| | A) | humors |
| | B) | lens |
| | C) | cornea |
| | D) | all of the above |
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| 31 | |
The oculomotor nerve transmits impulses to the brain. |
| | A) | True |
| | B) | False |
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| 32 | |
Color vision is made possible by _____. |
| | A) | rods |
| | B) | cones |
| | C) | both A and B |
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| 33 | |
The fovea centralis _____. |
| | A) | is where vision is most acute |
| | B) | has a high concentration of cones |
| | C) | both A and B |
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| 34 | |
The choroid contains many blood vessels and pigments that absorb stray light. |
| | A) | True |
| | B) | False |
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| 35 | |
Which is/are part of the choroid? |
| | A) | the iris |
| | B) | the ciliary body |
| | C) | both A and B |
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| 36 | |
The anterior compartment between the cornea and lens is filled with _____ humor. |
| | A) | aqueous |
| | B) | vitreous |
| | C) | both A and B |
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| 37 | |
Vitreous humor fills the posterior compartment behind the lens. |
| | A) | True |
| | B) | False |
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| 38 | |
Rod cells _____. |
| | A) | are very sensitive to light |
| | B) | help us see at night |
| | C) | don't see color |
| | D) | all of the above |
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| 39 | |
When we look at something, light rays pass through the pupil and are focused on the _____. |
| | A) | optic nerve |
| | B) | lens |
| | C) | retina |
| | D) | sclera |
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| 40 | |
With normal aging, the lens loses its ability to accommodate for far away objects. |
| | A) | True |
| | B) | False |
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| 41 | |
Radial keratotomy is a treatment for glaucoma. |
| | A) | True |
| | B) | False |
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| 42 | |
Images form on the retina in an inverted and reversed manner. |
| | A) | True |
| | B) | False |
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| 43 | |
Focusing of the light starts with the _____. |
| | A) | humors |
| | B) | cornea |
| | C) | lens |
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| 44 | |
The shape of the lens is controlled by _____. |
| | A) | the ciliary muscle |
| | B) | pseudostratified ciliated epithelium |
| | C) | cardiac muscle |
| | D) | the iris |
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| 45 | |
The whites of your eyes are the _____. |
| | A) | iris |
| | B) | choroid |
| | C) | retina |
| | D) | sclera |
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| 46 | |
Nearsighted people can have their vision corrected with a concave lens which focus the image on the retina. |
| | A) | True |
| | B) | False |
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| 47 | |
People who can see a near object, but have trouble seeing a size 20 letter 20 feet away are farsighted. |
| | A) | True |
| | B) | False |
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| 48 | |
Nearsighted people _____. |
| | A) | often have an elongated eyeball |
| | B) | can't see things at a distance because the image is focused in front of the retina |
| | C) | both A and B |
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| 49 | |
Eyestrain from doing a lot of work close up is due to fatigue of the ciliary muscle. |
| | A) | True |
| | B) | False |
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| 50 | |
An astigmatism is caused by an uneven _____. |
| | A) | cornea |
| | B) | lens |
| | C) | both A and B |
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| 51 | |
Cataracts can be easily treated with glasses that have a convex lens. |
| | A) | True |
| | B) | False |
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| 52 | |
The light absorbing molecule in rods is a derivative of _____. |
| | A) | vitamin K |
| | B) | vitamin A |
| | C) | vitamin C |
| | D) | vitamin E |
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| 53 | |
Eating carrots can improve your night vision. |
| | A) | True |
| | B) | False |
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| 54 | |
Cones _____. |
| | A) | are activated by bright light |
| | B) | allow us to see well at night |
| | C) | provide us with peripheral vision |
| | D) | all of the above |
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| 55 | |
The blind spot of your eye is the area where the optic nerve exits the retina. |
| | A) | True |
| | B) | False |
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| 56 | |
The blurred vision provided by the rods is result of as many as 100 rods synapsing with just one ganglion cell. |
| | A) | True |
| | B) | False |
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| 57 | |
Integration occurs as signals pass to _____. |
| | A) | ganglion cells |
| | B) | bipolar cells |
| | C) | both A and B |
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| 58 | |
Synaptic integration and processing of visual information doesn't begin until nerve impulses reach the brain. |
| | A) | True |
| | B) | False |
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| 59 | |
Long-term exposure to the ultraviolet rays of the sun increases the incidence of _____. |
| | A) | cataracts |
| | B) | macular degeneration |
| | C) | both A and B |
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| 60 | |
Any noise above 80 decibels could result in damage to the hair cells of the _____ |
| | A) | semicircular canals |
| | B) | spiral organ |
| | C) | utricle |
| | D) | saccule |
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| 61 | |
Which is located in the inner ear? |
| | A) | semicircular canals. |
| | B) | vestibule. |
| | C) | cochlea. |
| | D) | all of the above. |
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| 62 | |
Earwax is produced by modified sweat glands. |
| | A) | True |
| | B) | False |
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| 63 | |
The middle ear is connected to the nasopharynx by the _____. |
| | A) | auditory canal |
| | B) | semicircular canals |
| | C) | eustachian tube |
| | D) | tympanic membrane |
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| 64 | |
Which of the following is found between the tympanic membrane and the oval window. |
| | A) | malleus |
| | B) | stapes |
| | C) | incus |
| | D) | all of the above |
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| 65 | |
The part(s) of the inner ear involved with hearing is/are the _____. |
| | A) | cochlea |
| | B) | semicircular canals |
| | C) | vestibule |
| | D) | tympanic membrane |
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| 66 | |
The volume of a noise is a function of the _____ of the sound waves. |
| | A) | frequency |
| | B) | amplitude |
| | C) | both A and B |
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| 67 | |
Sound interpretation occurs in the auditory areas of the _____. |
| | A) | cerebral cortex |
| | B) | pons |
| | C) | hypothalamus |
| | D) | cerebellum |
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| 68 | |
The tone of a noise is believed to be a function of the brain's interpretation based on the distribution of hair cells stimulated. |
| | A) | True |
| | B) | False |
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| 69 | |
The hair cells of the spiral organ synapse with the _____ nerve. |
| | A) | trigeminal |
| | B) | trochlear |
| | C) | cochlear |
| | D) | accessory |
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| 70 | |
The sense receptors for sound are called the _____. |
| | A) | utricle |
| | B) | spiral organ |
| | C) | saccule |
| | D) | lateral line |
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| 71 | |
Statocysts found in cnidarians, molluscs, and crustaceans give information only about the position of the head. |
| | A) | True |
| | B) | False |
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| 72 | |
Static equilibrium depends on the _____. |
| | A) | utricle |
| | B) | saccule |
| | C) | both A and B |
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| 73 | |
Continuous movement of fluid in the semicircular canals can cause motion sickness. |
| | A) | True |
| | B) | False |
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| 74 | |
The semicircular canals provide information about _____. |
| | A) | static equilibrium |
| | B) | dynamic equilibrium |
| | C) | the volume of sounds |
| | D) | the pitch of sounds |
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| 75 | |
The utricle and the saccule are located in the _____. |
| | A) | middle ear |
| | B) | vestibule |
| | C) | cochlea |
| | D) | semicircular canals |
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| 76 | |
The vestibular nerve carries impulses from the _____to the brain.. |
| | A) | vestibule |
| | B) | semicircular canals |
| | C) | both A and B |
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| 77 | |
The ampulla in the semicircular canals each respond to head rotation in a different plane of space. |
| | A) | True |
| | B) | False |
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| 78 | |
The _____ of fishes allows them to detect water currents and pressure waves from nearby objects. |
| | A) | statocysts |
| | B) | flame cells |
| | C) | eustachian tubes |
| | D) | lateral line system |
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| 79 | |
Salmon eventually employ the sense of _________ to locate their specific breeding areas. |
| | A) | sight |
| | B) | hearing |
| | C) | touch |
| | D) | smell |
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