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Sensory systems

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Sensory System Anatomy 1st Year 2nd Semester PMU

Pregunta 1 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 2 de 46

1

The sense of smell is analyzed in the gyrus postcentralis.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 3 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 4 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 5 de 46

1

Eminentia pyramidalis in tympanic cavity contains m.stapedius.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 6 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 7 de 46

1

Fovea of the retina contains no blood vessels.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 8 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 9 de 46

1

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

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 10 de 46

1

Olfactory nerve fibres terminate in the trigonum olfactorium.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 11 de 46

1

Schlemm’s canal is located in:

Selecciona una de las siguientes respuestas posibles:

  • lens

  • processus ciliaris

  • sclera

  • iris

  • chorioidea

Explicación

Pregunta 12 de 46

1

Macula lutea:

Selecciona una de las siguientes respuestas posibles:

  • is composed mostly of pigment cells

  • contains no neuroepithelial cells

  • is the site of best vision

  • is the blind spot of the eye

Explicación

Pregunta 13 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • stapedius muscle

  • Eustachian tube

  • external auditory meatus

  • osseous labyrinth

Explicación

Pregunta 14 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • superior rectus

  • inferior rectus

  • lateral rectus

  • medial rectus

  • superior oblique

Explicación

Pregunta 15 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • levator palpebrae superioris

  • lateral rectus

  • medial rectus

  • inferior oblique

  • superior rectus

Explicación

Pregunta 16 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • Sympathetic fibers synapse in the ciliary ganglion.

  • Afferent fibers from the iris and cornea pass through the ganglion.

  • The ganglion is located between the optic nerve and medial rectus.

  • Parasympathetic fibers in the ganglion are derived from CN VII.

  • Parasympathetic fibers in the ganglion are distributed to the retina and lens.

Explicación

Pregunta 17 de 46

1

Which of the following is associated with equilibrium?

Selecciona una de las siguientes respuestas posibles:

  • vestibular membrane

  • basilar membrane

  • otolithic membrane

  • ciliary processes

Explicación

Pregunta 18 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • auditory ossicles

  • tympanic plexus

  • chorda tympani nerve

  • lesser petrosal nerve

  • stapedius and tensor tympani muscles

Explicación

Pregunta 19 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • semicircular canals

  • osseous labyrinth

  • vestibule

  • cochlea

Explicación

Pregunta 20 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • rods

  • bipolar neurons

  • cones

  • ganglion cells

Explicación

Pregunta 21 de 46

1

The maculae can be found in the:

Selecciona una de las siguientes respuestas posibles:

  • cochlear duct

  • saccule

  • semicircular canals

  • semicirurlar ducts

Explicación

Pregunta 22 de 46

1

Vitreous humor

Selecciona una de las siguientes respuestas posibles:

  • is constantly circulated through the posterior cavity.

  • is less viscous than aqueous humor.

  • helps to hold the lens and retina in place.

  • does not contribute to intraocular pressure.

  • does not change the path of incoming light.

Explicación

Pregunta 23 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • macula lutea

  • optic chiasm

  • fovea centralis

  • optic disc.

Explicación

Pregunta 24 de 46

1

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

Selecciona una de las siguientes respuestas posibles:

  • 3, 4, 2, 1, 5

  • 1, 2, 3, 4, 5

  • 2, 3, 4, 1, 5

  • 5, 1, 2, 4, 3

  • 4, 3, 2, 5, 1

Explicación

Pregunta 25 de 46

5

The following are true about the iris:

Selecciona una o más de las siguientes respuestas posibles:

  • it contains pigmented epithelium on its anterior surface.

  • it contains melanocytes in the stroma that determines the iris colour.

  • its colour is determined by sympathetic innervations.

  • the dilator muscle is innervated by the sympathetic system

  • the constrictor muscle is innervated by the Parasympathetic system.

Explicación

Pregunta 26 de 46

5

The tympanic cavity (middle ear)

Selecciona una o más de las siguientes respuestas posibles:

  • has the auditory (Eustachian) tube opening on to its anterior wall

  • is about 1.5 cm from its lateral to its medial wall

  • has the facial nerve running in the upper edge of its medial wall

  • is lined by stratified squamous epithelium

  • is related through its roof to the temporal lobe of the cerebral hemisphere

Explicación

Pregunta 27 de 46

5

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

Selecciona una o más de las siguientes respuestas posibles:

  • the cochlear nuclei in the hindbrain

  • the medial geniculate body

  • the lateral lemniscus

  • the inferior temporal gyrus

  • the anterior limb of the internal capsule

Explicación

Pregunta 28 de 46

5

The optic chiasm

Selecciona una o más de las siguientes respuestas posibles:

  • is anterior to the stalk of the hypophysis cerebri

  • is lateral to the internal carotid artery

  • contains fibers from the bipolar neuroses of the retina

  • contains fibers which end in the lateral geniculate body

  • contains crossed fibers associated with the nasal fields of vision

Explicación

Pregunta 29 de 46

5

An optic tract

Selecciona una o más de las siguientes respuestas posibles:

  • contains fibers whose cell bodies are in the retina

  • contains fibers from the medial half of each retina

  • contains fibers all of which end in the lateral geniculate body

  • contains fibers which form the inferior brachium

  • contains fibers which form the afferent pathway of the light reflex

Explicación

Pregunta 30 de 46

5

The right visual cortex

Selecciona una o más de las siguientes respuestas posibles:

  • lies on either side of the edges of the calcarine sulcus.

  • receives the termination of fibers whose cell bodies are in the lateral geniculate body.

  • has a very large area for the macula in its anterior part.

  • receives impulses originating from stimuli from the right halves of both visual fields.

  • receives impulses from the right lower quadrants of both retinae.

Explicación

Pregunta 31 de 46

5

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

Selecciona una o más de las siguientes respuestas posibles:

  • the posterior root ganglion

  • lamellated (Pacinian) corpuscles

  • the parietal lobe of the cerebral hemisphere

  • the genu of the internal capsule

  • the medial lemniscus

Explicación

Pregunta 32 de 46

5

The mastoid antrum

Selecciona una o más de las siguientes respuestas posibles:

  • has the posterior semicircular canal on its medial side.

  • has its aditus on its lateral wall.

  • in the infant is separated from the surface of the skull by bone 6 mm thick.

  • is related posteriorly to the cerebellum.

  • is posterolateral to the facial nerve.

Explicación

Pregunta 33 de 46

5

Parasympathetic nerves in the thorax

Selecciona una o más de las siguientes respuestas posibles:

  • cause contraction of the muscle in the lung

  • supply sensory fibres to the lung

  • are secretomotor to the oesophagus

  • cause the longitudinal muscle of the oesophagus to relax

  • supply sensory fibres to the pericardium.

Explicación

Pregunta 34 de 46

5

Middle ear infection may follow a throat infection because:

Selecciona una o más de las siguientes respuestas posibles:

  • A) the auditory (Eustachian) tube opens into the base of the inner ear

  • B) the pharyngeal (throat) mucosa is continuous with the mucosa of the middle ear

  • C) the sphenoid sinus opens into the tympanic cavity of the middle ear

  • D) the vestibulocochlear nerve passes through the tympanic cavity

  • E) answers A and D.

Explicación

Pregunta 35 de 46

1

Rellena el espacio en blanco para completar el texto.

The region on the retina that produces the sharpest vision is called the

Explicación

Pregunta 36 de 46

1

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The is a membrane covering the anterior portion of the eyeball except for the cornea.

Explicación

Pregunta 37 de 46

1

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Most olfactory receptors are located on the surface of the nasal cavity.

Explicación

Pregunta 38 de 46

1

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The ciliary muscle is supplied by the

Explicación

Pregunta 39 de 46

1

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The outer covering of the eye is called the

Explicación

Pregunta 40 de 46

1

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Blind spot of the eye is known as

Explicación

Pregunta 41 de 46

1

Rellena el espacio en blanco para completar el texto.

The stapes sends its vibrations to the

Explicación

Pregunta 42 de 46

1

Rellena el espacio en blanco para completar el texto.

The membranous labyrinth contains fluid.

Explicación

Pregunta 43 de 46

7

Selecciona la opción correcta de los menús desplegables para completar el texto.

Which of the following A to F supplies the structures 1 to 6?
A. sphenopalatine ganglion ( 5, none, 1, 2, 3, 4, 6 )
B. ciliary ganglion ( 1, none, 2, 3, 4, 5, 6 ),( 4, none, 1, 2, 3, 5, 6 )
C. optic ganglion ( 2, none, 1, 3, 4, 5, 6 )
D. superior cervical ganglion ( none, 1, 2, 3, 4, 5, 6 )
E. submandibular ganglion ( 3, none, 1, 2, 4, 5, 6 )
F. none of these ( 6, none, 1, 2, 3, 4, 5 )

1. ciliary muscle
2. parotid gland
3. sublingual gland
4. sphincter pupillae
5. lacrimal gland
6. Ievator palpebrae superioris muscle

Explicación

Pregunta 44 de 46

13

Selecciona la opción correcta de los menús desplegables para completar el texto.

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 ( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ), ( 7, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13 )
B. macula lutea ( 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13 )
C. crista ampullaris ( 4, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13 ), ( 9, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13 ), ( 13, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 )
D. macula ( 2, 1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ), ( 3, 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ). ( 5, 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13 ), ( 6, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13 )
E. Spinal Organ (organ of corti) ( 8, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13 ), ( 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13 ), ( 11, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13 )

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.

Explicación

Pregunta 45 de 46

9

Selecciona la opción correcta de los menús desplegables para completar el texto.

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 ( 1, 2, 3, 4, 5, 6, 7, 8, 9 ), ( 4, 1, 2, 3, 5, 6, 7, 8, 9 ), ( 7, 8, 9, 1, 2, 3, 4, 5, 6 )
B. bipolar cells ( 8, 9, 1, 2, 3, 4, 5, 6, 7 )
C. both A and B ( 1, 2, 3, 4, 5, 6, 7, 8, 9 ), ( 4, 1, 2, 3, 5, 6, 7, 8, 9 ), ( 7, 8, 9, 1, 2, 3, 4, 5, 6 ), ( 8, 9, 1, 2, 3, 4, 5, 6, 7 )
D. neither A nor B ( 2, 1, 3, 4, 5, 6, 7, 8, 9 ), ( 3, 1, 2, 4, 5, 6, 7, 8, 9 ), ( 5, 1, 2, 3, 4, 6, 7, 8, 9 ), ( 6, 1, 2, 3, 4, 5, 7, 8, 9 ), ( 9, 1, 2, 3, 4, 5, 6, 7, 8 )

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.

Explicación

Pregunta 46 de 46

8

Selecciona la opción correcta de los menús desplegables para completar el texto.

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 ( 1, 2, 3, 4, 5, 6, 7, 8 ), ( 5, 1, 2, 3, 4, 6, 7, 8 ), ( 6, 1, 2, 3, 4, 5, 7, 8 ), ( 7, 1, 2, 3, 4, 5, 6, 8 )
B. endolymph ( 2, 1, 3, 4, 5, 6, 7, 8 ), ( 3, 1, 2, 4, 5, 6, 7, 8 ), ( 4, 1, 2, 3, 5, 6, 7, 8 ), ( 8, 1, 2, 3, 4, 5, 6, 7 )

1. scala vestibuli.
2. cochlear duct.
3. semicircular ducts.
4. utricle.
5. scala tympani.
6. vestibule.
7. semicircular canals.
8. saccule.

Explicación