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Anatomy Quiz on 9. Sensory Systems , created by x x on 05/02/2019.

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9. Sensory Systems

Question 1 of 42

1

The olfactory nerves take information tot he brain by passing the thalamus

Select one of the following:

  • True
  • False

Explanation

Question 2 of 42

1

The sense of smell is analyzed int he gyrus postcentralis

Select one of the following:

  • True
  • False

Explanation

Question 3 of 42

1

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

Select one of the following:

  • True
  • False

Explanation

Question 4 of 42

1

Sratum plexiforme internum of the retina contains the processes of bipolar and ganglionic cells

Select one of the following:

  • True
  • False

Explanation

Question 5 of 42

1

Eminentia pyramidalis in tympanic cavity contains m. stapedius

Select one of the following:

  • True
  • False

Explanation

Question 6 of 42

1

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

Select one of the following:

  • True
  • False

Explanation

Question 7 of 42

1

Fovea of the retina contains no red blood vessels

Select one of the following:

  • True
  • False

Explanation

Question 8 of 42

1

Taste cells are continually reproduced ad do not diminish much with age

Select one of the following:

  • True
  • False

Explanation

Question 9 of 42

1

The round window equalises pressure between the middle and inner ear

Select one of the following:

  • True
  • False

Explanation

Question 10 of 42

1

Olfactory nerve fibres terminate in the trigonum olfactorium

Select one of the following:

  • True
  • False

Explanation

Question 11 of 42

1

Schlemm's canal is located in

Select one of the following:

  • lens

  • processus ciliaris

  • sclera

  • iris

  • chorioidea

Explanation

Question 12 of 42

1

Macula lutea

Select one of the following:

  • is composed mostly of pigment cells

  • contains no neuroepithelial cells

  • is the site of best vision

  • is the blind spot of the eye

Explanation

Question 13 of 42

1

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

Select one of the following:

  • stapedius muscle

  • Eustachian tube

  • External auditory meatus

  • osseous labyrinth

Explanation

Question 14 of 42

1

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

Select one of the following:

  • superior rectus

  • inferior rectus

  • lateral rectus

  • medial rectus

  • superior oblique

Explanation

Question 15 of 42

1

Which of the following muscle is NOT innervated by the oculomotor nerve

Select one of the following:

  • levator palpebrae superioris

  • lateral rectus

  • medial rectus

  • inferior oblique

  • superior rectus

Explanation

Question 16 of 42

1

Which of the following is true in respect tot he ciliary ganglion?

Select one of the following:

  • 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 delivered from CN VII

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

Explanation

Question 17 of 42

1

Which of the following is associated with equilibrium

Select one of the following:

  • vestibular membrane

  • basilar membrane

  • otholithic membrane

  • ciliary membrane

Explanation

Question 18 of 42

1

Which of the following is NOT contained int he tympanic cavity?

Select one of the following:

  • auditory ossicles

  • tympanic plexus

  • chorda tympani nerve

  • lesser petrosal nerve

  • stapedius and tensor tympani muscles

Explanation

Question 19 of 42

1

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

Select one of the following:

  • semicircular canals

  • osseous labyrinth

  • vestibule

  • cochlea

Explanation

Question 20 of 42

1

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

Select one of the following:

  • rods

  • bipolar neurons

  • cones

  • ganglion cells

Explanation

Question 21 of 42

1

The maculae can be found in the

Select one of the following:

  • cochlear duct

  • saccule

  • semicircular canals

  • semicircular ducts

Explanation

Question 22 of 42

1

Vitreous humor

Select one of the following:

  • 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

Explanation

Question 23 of 42

1

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

Select one of the following:

  • macula lutea

  • optic chiasm

  • fovea centralis

  • optic disc

Explanation

Question 24 of 42

1

Which one of the folowing 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

Select one of the following:

  • 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

Explanation

Question 25 of 42

1

The following are true about the iris:

Select one or more of the following:

  • it contains pigmented epithelium on its anterior surface

  • it contains melanocytes int he 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

Explanation

Question 26 of 42

1

The tympanic cavity (middle ear)

Select one or more of the following:

  • 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 tot he temporal lobe of the cerebral hemisphere

Explanation

Question 27 of 42

1

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

Select one or more of the following:

  • the cochlear nuclei in the hindbrain

  • the medial geniculate body

  • the lateral lemniscus

  • the inferior temporal gyrus

  • the anterior limb of the internal capsule

Explanation

Question 28 of 42

1

The optic chiasm

Select one or more of the following:

  • is anterior tot he stalk of the hypophysis cerebri

  • is lateral to the internal carotid artery

  • contains fibers from the bipolar neurons of the retina

  • contains fibers which end in the lateral geniculate body

  • contains crossed fibers associated with the nasal fields of vision

Explanation

Question 29 of 42

1

An optic tract

Select one or more of the following:

  • 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

Explanation

Question 30 of 42

1

The right visual cortex

Select one or more of the following:

  • 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

Explanation

Question 31 of 42

1

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

Select one or more of the following:

  • the posterior root ganglion

  • lamelated (pandinian) corpuscles

  • the parietal lobe of the cerebral hemisphere

  • the genu of the internal capsule

  • the medial lemniscus

Explanation

Question 32 of 42

1

The mastoid antrum

Select one or more of the following:

  • 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 6mm thick

  • is related posteriorly tot he cerebellum

  • is posterolateral to the facial nerve

Explanation

Question 33 of 42

1

Parrasympathetic nerves in the thorax

Select one or more of the following:

  • cause contraction of the muscle in the lung

  • supply sensory fibres to the lung

  • are secremotor to the oesophagus

  • cause the longitudinal muscle of the oesophagus to relax

  • supply sensory fibers to the pericardium

Explanation

Question 34 of 42

1

Middle ear infection may follow a throat infection because

Select one or more of the following:

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

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

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

  • the vestibulocochlear nerve passes through the tympanic cavity

  • both the auditory tube opening tot he base of the ear and the vestibulocochlear nerve passing through the tympanic cavity

Explanation

Question 35 of 42

1

Fill the blank space to complete the text.

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

Explanation

Question 36 of 42

1

Fill the blank space to complete the text.

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

Explanation

Question 37 of 42

1

Fill the blank space to complete the text.

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

Explanation

Question 38 of 42

1

Fill the blank space to complete the text.

The ciliary muscle is supplied by the

Explanation

Question 39 of 42

1

Fill the blank space to complete the text.

The outer covering of the eye is called the

Explanation

Question 40 of 42

1

Fill the blank space to complete the text.

Blind spot of the eye is known as

Explanation

Question 41 of 42

1

Fill the blank space to complete the text.

The stapes send its vibrations to the

Explanation

Question 42 of 42

1

Fill the blank space to complete the text.

The membranous labyrinth contains

Explanation

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