A&P LAB 14

Which structure connects the nasopharynx to the middle ear? Multiple choice question. Auditory canal Auditory tube Auditory ossicles Cochlear duct

Auditory tube

Which fluid fills the membranous labyrinth of the inner ear? Multiple choice question. Perilymph Vitreous humor Aqueous humor Endolymph

Endolymph

The cochlea contains receptors for which sense? Multiple choice question. Equilibrium Olfaction Vision Hearing

Hearing

Which cochlear chamber is the most superior? Multiple choice question. Scala vestibuli Scala media Scala tympani

Scala vestibuli

Which is also known as the external acoustic meatus? Multiple choice question. Tympanic cavity Eustachian tube Auditory canal Pharyngotympanic tube

auditory canal

Which cells of a taste bud are stem cells that multiply and replace taste cells that have died? Multiple choice question. Taste hairs Basal cells Taste cells Supporting cells

basal cells

The membrane that separates the scala media from the scala tympani is the _____ membrane.

basilar

Ear ossicles are tiny Blank______. Multiple choice question. hairs cartilages bones membranes

bones

Corpuscles that consist of flattened elongated capsules specialized for detecting heavy touch, stretching of the skin, and joint movement are called _____ corpuscles.

bulbous

The modiolus is part of which structure? Multiple choice question. Semicircular canals Cochlea Vestibule

cochlea

Multiple Select Question Select all that apply Which types of sensory receptors consist of free nerve endings? Multiple select question. Lamellar (Pacinian) corpuscles Cold receptors Warm receptors Nociceptors

cold receptors warm receptors nociceptors

Describe the function of the spiral organ. Multiple choice question. Transmits sound vibrations to the tympanic membrane Senses the orientation of the head Muffles the vibrations of the tympanic membrane Converts sound vibrations into nerve impulses

convert sound vibrations into nerve impulses

hich tactile receptors are located in the mucous membranes of the lips and tongue, in conjunctiva of the anterior surface of the eye, and the epineurium of large nerves? Multiple choice question. Tactile (Meissner) corpuscles End bulbs (Krause corpuscles) Lamellar (Pacinian) corpuscles Tactile (Merkel) discs

end bulbs (krause corpuscles)

The vestibule contains receptors for which of the following? Multiple choice question. Touch Hearing Equilibrium

equilibrium

Select all that apply Choose all of the following areas in which tactile (Meissner) corpuscles are abundant. Multiple select question. Fingertips Scalp Axilla Palms Nipples

fingertips, palms and nipples

Which term refers to unencapsulated nerve endings that act as temperature receptors (warm and cold), and nociceptors (pain)? Multiple choice question. Tactile (Merkel) discs Free nerve endings Peritrichial endings Hair receptors

free nerve endings

Which type of nerve ending detects deflection (bending) of body hair? Multiple choice question. Tendon organs Free nerve endings Tactile discs Hair receptors

hair receptors

Cerumen does which of the following? Multiple choice question. Keeps tympanic membrane stiff Inhibits bacterial growth Promotes hearing

inhibits bacterial growth

The membranous labyrinth is in the part of the ear called the ______ ear.

inner

Which are phasic receptors that detect vibration? Multiple choice question. Lamellar (Pacinian) corpuscles Tactile (Merkle) discs Bulbous (Ruffini) corpuscles Tendon organs

lamellar (pacinian) corpuscles

Which of these mechanoreceptors detect deep vibration? Multiple choice question. Tactile (Meissner) corpuscles Tactile (Merkel) discs Bulbous (Ruffini) corpuscles Lamellar (Pacinian) corpuscles

lamellar corpuscles

The visible bumps on the tongue are not taste buds, but instead are called _______ papillae.

lingual

What are the visible bumps on the tongue called? Multiple choice question. Buccal papillae Taste buds Lingual papillae Taste cells

lingual papillae

Most encapsulated nerve endings are Blank______. Multiple choice question. thermoreceptors mechanoreceptors chemoreceptors photoreceptors

mechanoreceptors

Which section of the ear runs from the tympanic membrane (ear drum) to the oval window of the cochlea? Multiple choice question. Outer ear Inner ear Middle ear

middle ear

Which term refers to the central pillar of spongy bone which supports the cochlea of the inner ear? Multiple choice question. Vestibule Modiolus Saccule Utricle

modiolus

The beginning of the inner ear is a membrane-covered opening called which of the following? Multiple choice question. Internal acoustic meatus Tympanic cavity Oval window Auricle

oval window

Which is an opening between the middle ear and the vestibule of the inner ear? Multiple choice question. External acoustic meatus Tragus Eustachian tube Oval window

oval window

The fluid between the bony and membranous labyrinths is called ______

perilymph

The vestibular membrane separates which of the following? Multiple choice question. The cochlea from the vestibule Perilymph from endolymph The semicircular canals from the cochlea

perilymph from endolymph

Which term is another name for hair receptors? Multiple choice question. End bulbs Lamellar corpuscles Thermoreceptors Peritrichial endings

peritrichial endings

The taste hairs of taste cells project into small openings in the epithelium of the tongue where they come into contact with saliva mixed with bits of dissolved food. These small pits are called taste _______

pores

Which are specialized to detect textures, edges and shapes? Multiple choice question. Hair receptors Free nerve ending Tendon organs Tactile (Merkel) discs

tactile (merkel) discs

The auditory canal is a passageway through which bone? Multiple choice question. Temporal Zygomatic Frontal Maxilla

temporal

The middle ear is located in the tympanic cavity of the ______ bone.

temporal

Select all that apply Choose all the sensory modalities that are involved with the activation of tactile (Merkel) discs? Multiple select question. Pain Temperature Texture Light touch

texture and light touch

Select all that apply Choose all types of stimuli that are detected by end bulbs. Multiple select question. Deep pressure Texture Vibration Light touch Stretch

texture and light touch

What is the primary function of the tympanic membrane? Multiple choice question. To transmit sound vibrations to the auditory ossicles To transduce airborne vibrations into neural signals To block bacteria from entering the inner ear To equalize air pressure in the tympanic cavity

to transmit sound vibrations to the auditory ossicles