Exam 6 Flashcards
Which of the following is not an example of a mechanoreceptor?
A) Hair cells at the basilar memrane
B) Meissner’s Corpuscles
C) Hair cells at the taste bud
D) Pacinian corpuscles
C) Hair cells at the taste bud
Which of the following is a characteristic of acute pain?
A) Continues after the stimulus is removed
B) Signal conducted on unmyelinated fibers
C) Not present in all tissues
D) Increases in intensit over time
C) Not present in all tissues
Which of the following senses’ nerve pathway does not run through the thalamus?
A) Hearing
B) Gustation
C) Olfaction
D) Vision
C) Olfaction
Which of the followin does not describe sensory adaptation?
A) A strong odor is perceived to become weaker
B) A loud noise is perceived to become softer
C) A sweet taste changes to a bitter taste
D) All of the above show sensory adaptation
C) A sweet taste changes to a bitter taste
The organ of static equilbrium is the:
A) Macula
B) Saccule
C) Utricle
D) Vestibule
A) Macula
The site where equilibrium impulses are interpreted is the:
A) Occiptal lobe
B) Cerebellum
C) Cerebrum
D) Parietal lobe
C) Cerebrum
Accommodation is defined as:
A) The bending of light through two media
B) The process by which a sensory receptor becomes less stimulated
C) The process by which the lens changes shape to focus on an object
D) None of the above
C) The process by which the lens changes shape to focus on an object
Which nerve plexus is responsible for control of the muscle and skin of the neck?
A) Cervical plexus
B) Brachial plexus
C) Sacral plexus
D) Lumbar plexus
A) Cervical plexus
Receptors that respond to changes in pressure, strech, or touch are known as:
A) Chemoreceptors
B) Mechanoreceptors
C) Photoreceptors
D) Nociceptors
B) Mechanoreceptors
Which of the following nervous system has the origin of preganglionic fibers from the cranial and / or sacral regions?
A) Parasympathetic nervous system
B) Sympathetic nervous system
C) Central nervous system
D) Somatic nervous system
A) Parasympathetic nervous system
The site of extrinsic muscle attachment at the eye is the:
A) Cornea
B) Ciliary body
C) Choroid coat
D) Sclera
D) Sclera
Which of the following is a function of the auditory ossicles?
A) Transmission of vibrations
B) Prevents the transmission of vibrations
C) Amplification of the vibrations
D) Both A and C
E) Both B and C
D) Both A and C
The autonomic nervous system is divided into which portions?
A) Somatic and Parasympathetic nervous systems
B) Sympathetic and Somatic nervous systems
C) Sympathetic and parasympathetic nerbous systems
D) Parasympathetic and the peripheral nervous system
C) Sympathetic and parasympathetic nerbous systems
Which auditory ossicle is located above the oval window?
A) Malleus
B) Stapes
C) Incus
D) There is no oval window
B) Stapes
Which auditory ossicle attaches to the tympanic membrane?
A) Malleus
B) Stapes
C) Incus
D) None of the above
A) Malleus
Which of the following is not a location where hair cells are found?
A) Taste bud
B) Organ of Corti
C) Olfactory epithelium
D) Retina
D) Retina
Which of the following describes the tensor tympani?
A) When contracted, it pulls the stapes outward
B) When contracted, it pulls the malleus outward
C) When contracted, it puls the stapes inward
D) When contracted, it pulls the malleus inward
D) When contracted, it pulls the malleus inward
The reduction of pressure from loud sounds that could produce damage is known as the:
A) Reduction
B) Tympanic reflex
C) Auditory constriction
D) None of the above
B) Tympanic reflex
Which of the following contains blood vessels needed for nourishment of the eye?
A) Ciliary process
B) Ciliary body
C) Lens
D) Choroid coat
D) Choroid coat
Vitreous humor is located in the:
A) Posterior cavity
B) Anterior cavity
C) Optic disk
D) Cornea
A) Posterior cavity
The area of the retina that does not contain photoreceptors is the:
A) Optic disc
B) Fovea centralis
C) Retina
D) None of the above
A) Optic disc
Pain that is generated due to the sharing of common nerve pathways is known as:
A) Inappropriate pain
B) Delayed pain
C) Referred pain
D) None of the above
C) Referred pain
Which of the following statements describes the golgi tendon organ?
A) Produces the “stretch” reflex
B) Stimulated when skeletal muscle relaxes
C) Opposes the lengthening of muscle
D) None of the above
D) None of the above
Which of the following describes the parasympathetic nervous system?
A) Short pre-ganglionic fiber
B) Short post-ganglionic fiber
C) Nerves arise from the thoracic and lumbar regions
D) Secretes two different neurotransmitters
B) Short post-ganglionic fiber
Which of the following cranial nerve pairs is involved with regulating visceral activity?
A) Vagus (X)
B) Glossopharyngeal (IX)
C) Olfactory (I)
D) Accessory (XI)
A) Vagus (X)
Which membrane comes in direct contact with the tip of the hair cells in the ear?
A) Vestiular membrane
B) Tectorial membrane
C) Basilar membrane
D) None of the above
C) Basilar membrane
Which of the following is not a component of dynamic equilibrium?
A) Ampulla
B) Macula
C) Crista ampullaris
D) Semi-circular canals
B) Macula
A sense that detects changes at the body’s organs is known as:
A) Proprioceptive sense
B) Exteroceptive sense
C) Visceroceptive sense
D) The sixth sense
C) Visceroceptive sense
The outermost structure of the eye is known as the:
A) Optic disc
B) Fovea centralis
C) Cornea
D) Pupil
C) Cornea
Which of the following cranial nerve pairs is not motor?
A) CN III
B) CN IV
C) CN VI
D) CN VII
D) CN VII
Receptors necessary for gustation are:
A) Mechanoreceptors
B) Chemoreceptors
C) Thermoreceptors
D) Photoreceptors
B) Chemoreceptors
The postganglionic neuron of the parasympathetic nervous system releases ____, where the postganglionic neuron of the sympathetic nervous system releases ____.
A) Acetylcholine; acetylcholine
B) Acetylcholine; Norepinephrine
C) Norepinephrine; Acetylcholine
D) Norepinephrine; Acetylcholine
B) Acetylcholine; Norepinephrine
The chambers located within the vestibule are:
A) Sacala vestibule and tympani
B) Vestibular and basilar
C) Utricle and saccule
D) Anterior and posterior chambers
C) Utricle and saccule
The parasympathetic nervous system is activated during times of ____, while the sympathetic nervous system is activated during times of ____.
A) stress; stress
B) stress; normalcy
C) normalacy; stress
D)normalacy; normalacy
C) normalacy; stress
What is the oran of hearing?
A) Organ of Corti
B) Hair cells
C) Cochlea
D) Semi-cirular canals
A) Organ of Corti
If the lens of the eye is flat, which of the following is true?
A) The light is coming from a distant source
B) The light is coming from a close sourse
C) The lens begins to thicken
D) None of above
A) The light is coming from a distant source
Cones are responsible for providing which of the following images?
A) Color images
B) Colorless images
C) Genereal outline / silhouettes of images
D) Both A and C
E) Both B and C
A) Color images
Which of the following pairs does not match?
A) Parasympathetic nervous system - two motor neurons
B) Somatic nervous system - effector is skeletal muscle
C) Somatic nervous system - two motor neurons
D) Sympathetic nervous system - secretes acetylcholine
C) Somatic nervous system - two motor neurons
Which of the following cranial nerve pairs is involved with facial expression and taste?
A) CN V
B) CN VII
C) CN IX
D) CN XI
B) CN VII
Which of the following shows he correct path of light entering the eye?
A) cornea, vitreous humor, lens, aqueous humor, retina
B) cornea, aqueous humor, lens, vitreous humor, retina
C) Cornea, lens, aqueous humor, retina, vitreous humor
D) None of the above
B) Cornea, aqueous humor, lens, vitreous humor, retina
Which of the following functions to prevent loss of balance during head and body movement?
A) Dynamic equilibrium
B) Static equilibrium
C) Refraction
D) Accommodation
A) Dynamic equilibrium
Which area of the brain is responsible for producing vision?
A) Occipital lobe
B) Parietal lobe
C) Temporal lobe
D) Frontal lobe
A) Occipital lobe
The secondary neuron of the olfactory pathway is which cranial nerve?
A) CN I
B) CN II
C) VIII
D) CN XI
CN I
Which component of the inner ear is involved with both hearing and equilibrium?
A) Cochlea
B) Vestibule
C) Semi-circular canals
D) None of the above
B) Vestibule
Which of the following is the organ of dynamic equilibrium?
A) Basilar membrane
B) Saccule
C) Macula
D) Crista ampullaris
D) Crista ampullaris
Which of the following cranial nerve pairs is not involved with innervating the eye?
A) CN III
B) CN IV
C) CN VI
D) CN XII
E) All of the above innervate the eye
D) CN XII
The perception of taste originates in which portion of the brain?
A) Temporal lobe
B) Occipital lobe
C) Parietal lobe
D) Frontal lobe
C) Parietal lobe
The perception of hearing occurs in which portion of the brain?
A) Temporal lobe
B) Occipital lobe
C) Frontal lobe
D) Parietal lobe
A) Temporal lobe
Which nerve plexus is responsible for control of posterior thigh, leg, and feet?
A) Cervical plexus
B) Brachial plexus
C) Sacral plexus
D) Lumbar plexus
C) Sacral plexus
Which muscle, when contracted, pulls the stapes outward?
A) Stapedius
B) Tensor tympani
C) Superior rectus
D) Inferior rectus
E) None of the above
A) Stapedius
