Anatomy & Physiology Ch. 13
For the sense of hunger, the receptors are located in the__, and the sensation is projected to the __. A) hypothalamus/stomach B) stomach/stomach C) hypothalamus/mouth D) stomach/mouth
A
Information from the arterial pressoreceptors and chemoreceptors is used by the __ to regulate__. A) medulla/heart rate and respiration B) hypothalamus/hunger and thirst C) medulla/hunger and thirst D) hypothalamus/heart rate and respiration
A
Proprioceptors are the receptors for: A) muscle sense B) cutaneous pressure C) equilibrium D) cutaneous heat and cold
A
The arterial chemoreceptors detect changes in: A) blood oxygen levels B) blood pressure C) blood nutrient levels D) blood hormone levels
A
The chemical in rods that breaks down when light strikes it is: A) rhodopsin B) scotopsin C) melanin D) vitamin A
A
The chemoreceptors for the sense of taste detect: A) chemicals dissolved in saliva B) chemicals dissolved in blood plasma C) vaporized chemicals in the nasal cavities D) vaporized chemicals outside the body
A
The effect of a previous sensation on a current sensation is called: A) contrast B) projection C) adaptation D) after-image
A
The function of the eustachian tube is to: A) allow air in and out of the middle ear B) help with swallowing C) allow mucus to drain from the middle ear D) regulate fluid pressure in the middle ear
A
The iris of the eye: A) regulates the size of the pupil B) is behind the lens and cornea C) both A and B D) both A and B, and it has color from melanin
A
The optic disc of the eye: A) is the site of the optic nerve B) is the area for best color vision C) both A and B D) both A and B, and is on the lateral surface of the eye
A
The part of a sensory pathway that detects a change is the: A) receptor B) sensory neuron C) sensory tract D) sensory area
A
The part of the ear that transmits vibrations to the hair cells in the organ of Corti is the: A) fluid in the cochlea B) stapes C) malleus D) eardrum
A
The part of the eye that keeps dust out of the eye is the: A) eyelashes B) cornea C) sclera D) conjunctiva
A
The part of the eye that light waves pass through first is the: A) cornea B) conjunctiva C) lens D) retina
A
The part of the eye that lines the eyelids is the: A) conjunctiva B) sclera C) retina D) choroid layer
A
The part of the eye that moves the eyeball from side to side is the: A) extrinsic muscles B) iris C) ciliary muscle D) intrinsic muscle
A
The parts of the eye that refract (focus) light rays are 1. viterous humor 2. aqueous humor 3. lens 4. cornea The correct sequence in which light rays pass through them is: A) 4, 2, 3, 1 B) 3, 2, 1, 4 C) 4, 3, 1, 2 D) 3, 4, 2, 1
A
The receptors for hearing are located in this part of the ear: A) cochlea B) semicircular canals C) utricle and saccule D) eardrum
A
The retina of the eye: A) contains the receptors for vision B) is made of connective tissue C) both A and B D) both A and B, and forms the oculomotor nerve
A
Which of these cranial nerve pairs is NOT involved in movement of the eyeball? A) optic B) abducens C) oculomotor D) trochlear
A
Which part of the ear is NOT paired with its correct function? A) round window- releases air pressure in the middle ear B) semicircular canals- respond to motion C) malleus- transmits vibrations to the incus D) cochlea- contains receptors for hearing
A
Which statement is NOT true of a sensory pathway? A) Sensory tracts are the nerves in the limbs B) Sensory neurons are part of the peripheral nerves C) Receptors generate electrical impulses D) Sensory areas are located in the brain
A
Which statement is NOT true of the cutaneous senses? A) The fewer receptors in an area of skin, the more sensitive the area is. B) The receptors for heart are free nerve endings. C) These senses provide information about the environment. D) Any intense stimulus may be felt as pain.
A
Pain that originates in an internal organ but is felt as cutaneous pain is called: A) visceral pain B) referred pain C) deferred pain D) psychogenic pain
B
Referred pain is pain that originates in __, but is felt as __. A) the skin/visceral pain B) an internal organ/cutaneous pain C) the skin/cutaneous pain in a different area D) an internal organ/visceral pain, but in another organ
B
The aqueous humor of the eye: A) is found in the posterior cavity B) nourishes the lens and cornea C) both A and B D) both A and B, and is a stationary fluid
B
The cutaneous receptors for heat and cold are called __, and are found mainly in the __. A) free nerve endings/epidermis B) free nerve endings/dermis C) encapsulated nerve endings/epidermis D) encapsulated nerve endings/dermis
B
The feeling of a sensation in the area of the stimulated receptors is called: A) after-image B) projection C) contrast D) adaptation
B
The first part of the ear that vibrates in response to sound waves is the: A) pinna B) eardum C) stapes D) malleus
B
The part of a sensory pathway that carries impulses to the central nervous system is the: A) receptor B) sensory neuron C) sensory tract D) sensory area
B
The part of the ear that transmits vibrations to the malleus is the: A) pinna B) eardrum C) incus D) stapes
B
The part of the eye that forms the white of the eye is the: A) conjunctiva B) sclera C) retina D) choroid layer
B
The part of the eye that produces tears is the: A) cornea B) lacrimal gland C) conjunctiva D) nasolacrimal duct
B
The part of the eye where the optic nerve passes through is the: A) fovea B) optic disc C) bipolar disc D) optic chiasma
B
The receptors in the retina that detect color are the: A) optic discs B) cones C) rods D) ganglion neurons
B
The receptors that detect motion are located in this part of the ear: A) cochlea B) semicircular canals C) utricle and saccule D) organ of Corti
B
Which cranial nerve is NOT paired with its correct sensation? A) olfactory- smell B) hypoglossal- taste C) facial- taste D) glossopharyngeal- taste
B
Which part of the ear is NOT paired with its correct function? A) organ of Corti- has receptors for hearing B) Eustachian tube- releases pressure in the cochlea C) oval window- receives vibrations from the stapes D) utricle- responds to gravity
B
Which part of the eye is NOT paired with its correct function? A) sclera- forms the white of the eye B) choroid layer- contatins the receptors C) lacrimal glands- produce tears D) ganglion neurons- for the optic nerve
B
Which part of the eye is NOT paired with its correct function? A) viterous humor- helps keep the retina in place B) tears- prevent bacterial growth on the retina C) canal of Schlemm- reabsorbs aqueous humor D) optic disc- site of the optic nerve passage through the retina
B
Which statement is NOT true of the characteristics of sensations? A) Feeling a sensation in the area of the receptors is called projection. B) Contrast is the difference between seeing and hearing. C) Becoming unaware of a continuous stimulus is called adaptation. D) Awareness of a sensation after the stimulus has stopped is called and after-image.
B
Which statement is NOT true of the senses of taste and smell? A) Both senses require chemoreceptors. B) The sense of taste makes the sense of smell seem more accurate. C) Adaptation occurs in both senses. D) Both senses are important for enjoyment of eating.
B
Becoming unaware of a continuing stimulus is called: A) projection B) contrast C) adaptation D) after-image
C
Muscle sense is important for: A) coordination B) simple activities such as walking C) both A and B D) both A and B, and for good muscle tone
C
The arterial pressorecceptors detect changes in: A) blood nutrient levels B) blood oxygen levels C) blood pressure D) blood mineral levels
C
The auditory areas are located in the __ lobes of the cerebrum. A) frontal B) parietal C) temporal D) occipital
C
The chemoreceptors for the sense of smell detect: A) chemicals dissolved in saliva B) chemicals dissolved in blood plasma C) vaporized chemicals in the naval cavities D) vaporized chemicals outside the body
C
The choroid layer of the eye: A) gets its dark color from melanin B) absorbs light within the eyeball C) both A and B D) both A and B, and is the outer layer of the eyeball
C
The conjunctiva of the eye: A) covers the white of the eye B) lines the eyelids C) both A and B D) both A and B, and covers the lens
C
The cranial nerve pair concerned with equilibrium is the: A) vagus B) accesory C) acoustic D) abducens
C
The cranial nerve pair for the sense of smell is the: A) facial B) trigeminal C) olfactory D) glossopharyngeal
C
The lacrimal glands of the eye: A) produce tears B) are within the bony orbit C) both A and B D) both A and B, and are medial and inferior to the eyeball
C
The part of a sensory pathway that consists of white matter in the spinal cord or brain is the: A) receptor B) sensory neuron C) sensory tract D) sensory area
C
The part of the eye that contains the receptors for vision is the A) conjunctiva B) sclera C) retina D) choroid layer
C
The receptors in the retina that detect the presence of light are the A) cones B) ganglion neurons C) rods D) foveas
C
The sensory area for the sense of smell is in the __ lobes of the cerebrum. A) frontal B) parietal C) temporal D) occipital
C
The site of reabsorption of aqueous humor is the: A) fovea B) ciliary muscle C) canal of Schlemm D) suspensory ligament
C
The temporal lobes of the cerebrum contain sensory areas for: A) taste B) smell C) both A and B D) both A and B, and for muscle tone
C
Being aware of a sensation even after the stimulus has stopped is called: A) adaptation B) projection C) contrast D) after-image
D
For the sense of thirst, the receptors are located in the __, and the sensation is projected to the __. A) mouth/kidneys B) hypothalamus/kidneys C) mouth/mouth and throat D) hypothalamus/mouth and throat
D
Tears contain __ to inhibit the growth of bacteria on the front of the eye. A) serous fluid B) aqueous humor C) vitreozyme D) lysozyme
D
The cornea of the eye: A) is transparent B) is the anterior portion of the sclera C) both A and B D) both A and B, and it has no capillaries
D
The cranial nerves that are sensory for the circulatory and respiratory reflexes are the: A) facial and glossopharyngeal B) hypoglossal and vagus C) facial and hypoglossal D) vagus and glossopharyngeal
D
The extrinsic muscles of the eye: A) are six in number for each eye B) move the eyeball within the orbit C) both A and B D) both A and B, and are innervated by cranial nerves
D
The fluid of the eye that contains lysozyme to inhibit bacterial growth is: A) aqueous humor B) vitreous humor C) plasma D) tears
D
The ganglion neurons of the eye: A) are part of the retina B) form the optic nerve C) both A and B D) both A and B, and the all converge at the optic disc
D
The hair cells in the utricle and saccule of the ear bend in response to: A) vibrations from the cochlea B) sound waves C) vibrations from the eardrum D) gravity
D
The lobes of the cerebrum that contain the visual areas are the: A) frontal B) parietal C) temproal D) occipital
D
The part of the ear that transmits vibrations to the oval window is the: A) eardrum B) malleus C) incus D) stapes
D
The part of the eye that absorbs light within the eyeball to prevent glare is the: A) conjunctiva B) sclera C) retina D) choroid layer
D
The part of the sensory pathway that projects a sensation is the: A) receptor B) sensory neuron C) sensory tract D) sensory area in the brain
D
The rhodospin of the eye: A) is found in the rods B) breaks down when light strikes it C) both A and B D) both A and B, and vitamin A is required for its synthesis
D
Unconscious muscle sense is integrated by the __ of the brain. A) frontal lobes B) parietal lobes C) temporal lobes D) cerebellum
D
Which statement is NOT true about vision? A) The rods detect light and the cones detect color. B) Impulses from the retina are carried by the optic nerves to the occipital lobes. C) The iris regulates the size of the pupil. D) The cornea is adjustable to light from different distances.
D
Which statement is NOT true of the senses of smell and taste? A) Taste buds are located mainly on the tongue B) Olfactory receptors are in the upper nasal cavity C) Impulses for both sense are carried by cranial nerves D) Sensory areas for both senses are in the parietal lobes
D