Sensory System Anatomy 1st Year 2nd Semester PMU

The olfactory nerves take information to the brain bypassing the thalamus.

The sense of smell is analyzed in the gyrus postcentralis.

The optic nerve carries information from the nasal mucosa to the brain

Stratum plexiforme internum of the retina contains the processes of bipolar and ganglionic cells.

Eminentia pyramidalis in tympanic cavity contains m.stapedius.

The pupil is small if the stellate ganglion is removed from the neck of the first rib.

Fovea of the retina contains no blood vessels.

Taste cells are continually reproduced and do not diminish much with age.

The round window equalizes pressure between the middle ear and inner ear.

Olfactory nerve fibres terminate in the trigonum olfactorium.

Schlemm’s canal is located in:

Macula lutea:

Which of the following helps maintain proper air pressure in the middle ear?

Which of the following muscles does NOT take its origin from the common tendinous ring?

Which of the following muscles is NOT innervated by the oculomotor nerve?

Which of the following is true in respect to the ciliary ganglion?

Which of the following is associated with equilibrium?

Which of the following is NOT contained in the tympanic cavity?

The portion of the inner ear that detects sounds, is the

Which of the following is the first to come into contact with light?

The maculae can be found in the:

Vitreous humor

Which of the following cannot be seen as one looks into the eye through an ophthalmoscope?

Which one of the following is the correct sequence for the passage of a nerve impulse? 1.Primary visual cortex 2.Optic tract 3.Optic nerve 4.Optic chiasma 5.Visual association area

The following are true about the iris:

The tympanic cavity (middle ear)

The following structures are associated with the auditory pathway from the internal ear to the cerebral cortex

The optic chiasm

An optic tract

The right visual cortex

The following structures are associated with the pathway of proprioception from the periphery to the cerebral cortex

The mastoid antrum

Parasympathetic nerves in the thorax

Middle ear infection may follow a throat infection because:

The region on the retina that produces the sharpest vision is called the [blank_start]fovea centralis[blank_end]

The [blank_start]conjunctiva[blank_end] is a membrane covering the anterior portion of the eyeball except for the cornea.

Most olfactory receptors are located on the [blank_start]superior[blank_end] surface of the nasal cavity.

The ciliary muscle is supplied by the [blank_start]occulomotor nerve[blank_end]

The outer covering of the eye is called the [blank_start]sclera[blank_end]

Blind spot of the eye is known as [blank_start]Optic disc[blank_end]

The stapes sends its vibrations to the [blank_start]oval window[blank_end]

The membranous labyrinth contains [blank_start]endolymph[blank_end] fluid.

Which of the following A to F supplies the structures 1 to 6? A. sphenopalatine ganglion [blank_start]5[blank_end] B. ciliary ganglion [blank_start]1[blank_end],[blank_start]4[blank_end] C. optic ganglion [blank_start]2[blank_end] D. superior cervical ganglion [blank_start]none[blank_end] E. submandibular ganglion [blank_start]3[blank_end] F. none of these [blank_start]6[blank_end] 1. ciliary muscle 2. parotid gland 3. sublingual gland 4. sphincter pupillae 5. lacrimal gland 6. Ievator palpebrae superioris muscle

Which of the following A to E supplies the structures 1 to 13? (Note: ltems A through E may he used more than once.) A. gustatory cells [blank_start]1[blank_end], [blank_start]7[blank_end] B. macula lutea [blank_start]12[blank_end] C. crista ampullaris [blank_start]4[blank_end], [blank_start]9[blank_end], [blank_start]13[blank_end] D. macula [blank_start]2[blank_end], [blank_start]3[blank_end]. [blank_start]5[blank_end], [blank_start]6[blank_end] E. Spinal Organ (organ of corti) [blank_start]8[blank_end], [blank_start]10[blank_end], [blank_start]11[blank_end] 1. a group of hair cells associated with taste. 2. the gelatinous membrane associated with this group of hair cells contains crystals of calcium carbonate. 3. a group of hair cells located in the saccule. 4. a group of hair cells associated with a cupola 5. the sense organ of static equilibrium. 6. a group of hair cells located in the utricle. 7. hair cells located on the vallate and fungiform papillae. 8. a group of hair cells associated with the tectorial membrane. 9. the sense organ of dynamic (angular) equilibrium. 10. a group of hair cells located in the cochlea duct. 11. the sense organ of hearing. 12. a yellowish group of cells surrounding the fovea centralism 13. 8 group of hair cells located in the ampulla.

Which of the following A to D supplies the structures 1 to 9? (Note: Items A through D may he used more than once.) A. ganglion cells [blank_start]1[blank_end], [blank_start]4[blank_end], [blank_start]7[blank_end] B. bipolar cells [blank_start]8[blank_end] C. both A and B [blank_start]1[blank_end], [blank_start]4[blank_end], [blank_start]7[blank_end], [blank_start]8[blank_end] D. neither A nor B [blank_start]2[blank_end], [blank_start]3[blank_end], [blank_start]5[blank_end], [blank_start]6[blank_end], [blank_start]9[blank_end] 1. contact the vitreous humor. 2. contain the purple pigment known as rhodopsin. 3. modified forebrain cells 4. axons of these cells form the optic nerve. 5. contact the choroid layer. 6. cells contain melanin. 7. cells are multipolar neurons. 8. these cells synapse with ganglion cells. 9. these cells provide daylight vision.

Match the type of fluid (endolymph or perilymph) that is found within the cavities or spaces of the appropriate structures. Items A and B may be used more than once. A. perilymph [blank_start]1[blank_end], [blank_start]5[blank_end], [blank_start]6[blank_end], [blank_start]7[blank_end] B. endolymph [blank_start]2[blank_end], [blank_start]3[blank_end], [blank_start]4[blank_end], [blank_start]8[blank_end] 1. scala vestibuli. 2. cochlear duct. 3. semicircular ducts. 4. utricle. 5. scala tympani. 6. vestibule. 7. semicircular canals. 8. saccule.