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