Anatomy Module 10- The senses

Which fluid fills the anterior cavity of the eye?

Aqueous humor

Perilymph

Vitreous humor

Endolymph

Aqueous humor

Pain tolerance is best described as:

The sensitivity to the perception of pain

The body’s reflex to harmful stimuli

The ability to avoid pain entirely

The time it takes for pain receptors to adapt

The sensitivity to the perception of pain

Which layer of the eyeball contains blood supply and muscles for lens shape?

Neural tunic

Sclera

Vascular tunic

Fibrous tunic

Vascular tunic

Cones have how many types of photopigments?

Two

One

Three

Four

Three

Static equilibrium relates to balance relative to:

Gravity

Sound waves

Acceleration

Rotation

Gravity

Foliate papillae are:

Abundant in adults

Found only at the tip of the tongue

Found on the sides of the tongue in children

Without taste buds

Found on the sides of the tongue in children

In myopia, light focuses:

On the retina

Behind the retina

On the optic disc

In front of the retina

In front of the retina

What is the role of supporting cells in olfaction?

Detect specific odorants

Function like neuroglia, providing structural and metabolic support

Transmit electrical signals to the brain

Secrete olfactory mucus

Function like neuroglia, providing structural and metabolic support

Sound waves first enter the ear through the:

Oval window

Cochlea

Tympanic membrane

External acoustic meatus

External acoustic meatus

Which papillae have no taste buds?

Foliate

Filiform

Vallate

Fungiform

Filiform

Which type of receptor detects equilibrium?

Mechanoreceptors

Photoreceptors

Thermoreceptors

Chemoreceptors

Mechanoreceptors

Hair cells are found in the:

Macula

Crista

Retina

Spiral organ

Spiral organ

The semicircular canals detect:

Static equilibrium

Light waves

Dynamic equilibrium

Sound pitch

Dynamic equilibrium

Which cells detect odorants in the olfactory epithelium?

Olfactory receptor cells

Microglia

Supporting cells

Basal cells

Olfactory receptor cells

Which type of receptor is involved in gustation?

Thermoreceptors

Mechanoreceptors

Chemoreceptors

Photoreceptors

Chemoreceptors

Special senses are primarily detected by:

Specialized sensory organs in the head

Reflex pathways in the spinal cord

Sensory neurons scattered throughout the body

Specialized sensory organs in the head

Equilibrium information is sent to the:

Pupil

Thalamus

Cochlea

Retina

Thalamus

Which of the following are general senses?  Choose all that apply

Temperature

Vibration

Smell

Pain

Temperature

Vibration

Pain

Rods are most sensitive in:

Color vision

Bright light

Peripheral vision only

Low light

Low light

Unconscious olfactory processing occurs in all of the following.  Choose all that apply.

Hypothalamus

Amygdala

Occipital lobe

Hippocampus

Hippocampus

Hypothalamus

Amygdala

Hair cells for dynamic equilibrium are found in the:

Fovea centralis

Cochlea

Macula

Crista

Crista

The utricle and saccule detect:

Vision

Dynamic equilibrium

Static equilibrium

Hearing

Static equilibrium

The cupula covers the hair cells in the:

Macula

Basilar membrane

Cochlea

Crista

Crista

Which of the following is considered a general sense?

Hearing

Touch

Vision

Taste

Touch

Vibrations of the tympanic membrane move the:

Endolymph

Hair cells

Ossicles

Auricle

Ossicles

Umami taste is primarily caused by:

Glutamate and aspartate

Organic sugars

Citric acid

Sodium ions

Glutamate and aspartate

Neural signals from the cochlea travel via:

Glossopharyngeal nerve

Vestibulocochlear nerve

Optic nerve

Trigeminal nerve

Vestibulocochlear nerve

The cochlea is located in the:

Middle ear

Internal ear

Outer ear

Auditory canal

Internal ear

Referred pain occurs when:

Pain is felt at the site of tissue damage only

Pain signals bypass the brain entirely

Nociceptors adapt to a constant painful stimulus

Visceral pain is perceived as somatic pain

Visceral pain is perceived as somatic pain

The ossicles are found in the:

Cochlear duct

Middle ear

Inner ear

Outer ear

Middle ear

Astigmatism is caused by:

Retinal detachment

Lens thickening

Irregular corneal curvature

Uneven vitreous humor

Irregular corneal curvature

Pupil dilation in dim light is caused by:

Lens flattening

Ciliary muscles relaxing

Radial muscles contracting

Circular muscles contracting

Radial muscles contracting

Before reaching the cortex, auditory signals pass through the:

Midbrain

Thalamus

Medulla

Pons

Thalamus

The highest concentration of cones is found in the:

Iris

Fovea centralis

Optic disc

Peripheral retina

Fovea centralis

Sweet taste sensations are caused by:

Acids

Ionized salts

Glutamate

Organic substances

Organic substances

Odorants must dissolve in which substance before detection?

Saliva

Mucus

Endolymph

Aqueous humor

Mucus

Parasympathetic activation generally causes pupils to:

Dilate

Remain unchanged

Close

Constrict

Constrict

Which taste sensation has the lowest detection threshold?

Sour

Sweet

Bitter

Umami

Bitter

Dynamic equilibrium is detected by the:

Scala vestibuli

Macula

Vestibule

Semicircular canals

Semicircular canals

The retina contains which sensory receptors?

Thermoreceptors

Olfactory neurons

Rods and cones

Hair cells

Rods and cones

Equilibrium signals travel to the brain via the:

Optic nerve

Vagus nerve

Trigeminal nerve

Vestibulocochlear nerve

Vestibulocochlear nerve

Olfaction has a __________ threshold.

Low
High
Moderate
Variable

Low
High
Moderate
Variable

The auricle's primary function is to:

Detect balance

Collect sound waves

Amplify sound

Transmit vibrations to the cochlea

Collect sound waves

Visual signals travel through the thalamus to the:

Temporal lobe

Insula

Brainstem

Primary visual cortex

Primary visual cortex

Auditory information is processed in the:

Insula

Primary visual cortex

Cerebellum

Primary auditory cortex

Primary auditory cortex

General senses are also known as:

Autonomic senses

Voluntary senses

Somatic senses

Cranial senses

Somatic senses

How quickly does olfactory detection decline after initial stimulation?

1 second

10 seconds

Immediately

1 minute

10 seconds

The tympanic membrane separates the:

Cochlea and semicircular canals

Auditory nerve and cochlea

Outer and middle ear

Middle and inner ear

Outer and middle ear

Which papillae are most common and cover the surface of the tongue?

Foliate

Filiform

Vallate

Fungiform

Foliate

Olfactory receptor cells are classified as:

Mechanoreceptors

Photoreceptors

Thermoreceptors

Chemoreceptors

Chemoreceptors

The crista is located in the:

Retina

Vestibule

Scala tympani

Semicircular canals

Semicircular canals

Sound detection occurs in the:

Scala tympani

Cochlear duct

Round window

Scala vestibuli

Cochlear duct

Before reaching the cortex, auditory signals pass through the:

Medulla

Midbrain

Pons

Thalamus

Thalamus

Cones are responsible for:

Night vision

Detecting movement

Color vision

Peripheral vision

Color vision

Which part of the eye is the clear connective tissue that bends light waves?

Cornea

Sclera

Retina

Lens

Cornea

Astigmatism is caused by:

Uneven vitreous humor

Irregular corneal curvature

Lens thickening

Retinal detachment

Irregular corneal curvature

Vallate papillae:

Are the smallest papillae

Form a “V” on the back of the tongue and have 50–100 taste buds each

Are found only in children

Contain mechanoreceptors only

Form a “V” on the back of the tongue and have 50–100 taste buds each

Otoliths are located in the:

Crista

Macula

Cochlear duct

Fovea centralis

Macula

Rods contain the pigment:

Photopsin

Rhodopsin

Melanin

Hemoglobin

Rhodopsin

The fovea centralis is the area of:

Lens attachment

Blind spot

Fluid drainage

Highest visual acuity

Highest visual acuity

Which statement correctly compares general and special senses?

Special senses use widespread receptors, general senses use localized receptors

Special senses do not involve the brain

General senses are detected throughout the body, special senses are localized

General senses require special organs, special senses do not

General senses are detected throughout the body, special senses are localized

Sympathetic activation generally causes pupils to:

Increase aqueous humor

Dilate

Flatten lens

Constrict

Dilate

Which condition is age-related?

Presbyopia

Astigmatism

Hyperopia

Myopia

Presbyopia

Which fluid fills the scala vestibuli?

Aqueous humor

Endolymph

Perilymph

Vitreous humor

Perilymph

What is the first structure light passes through in the eye?

Lens

Pupil

Cornea

Retina

Cornea

Bending of hair cell stereocilia opens:

Aquaporins

Voltage-gated sodium channels

Ion channels

Ligand-gated channels

Ligand-gated channels

Unconscious olfactory processing occurs in all of the following.  Choose all that apply.

Occipital lobe

Amygdala

Hypothalamus

Hippocampus

Amygdala

Hypothalamus

Hippocampus

Static equilibrium is detected by the:

Vestibule

Semicircular canals

Otoliths only

Cochlea

Vestibule

The retina sends visual information via the:

Optic nerve

Fovea centralis

Sclera

Lens

Optic nerve

Pupil constriction in bright light is caused by contraction of:

Circular muscles

Iris sphincter

Radial muscles

Ciliary muscles

Circular muscles