BM1310 PASS Wk5

PASS Wk5

​Recap

​Special Senses

• Sight

• Hearing

  • Balance​ / Equilibrium

• Smell

• Taste​

Multiple Choice

The cornea and lens both help to...

• Focus light onto the sclera

• Focus light onto the ciliary body

• Focus light onto the choroid

• Focus light onto the retina

Multiple Choice

What is the function of the iris?

• To change the shape of the lens

• To change the size of the pupil

• To supply the retina with a capillary network

• To detect colour

Multiple Choice

A sympathetic signal to the iris would result in

• Pupil dilation by contraction of the radial muscles

• Pupil dilation by contraction of the circular muscles

• Pupil constriction by contraction of the radial muscles

• Pupil constriction by contraction of the circular muscles

Multiple Choice

Which of the following is NOT true about rods

• They function well in low light

• The don't see colour

• They provide high detail

Multiple Choice

Information from the left eye is transmitted to the visual cortex on the right side of the brain (T/F)

• True

• False

Multiple Choice

Visual stimuli travels along which cranial nerve?

• I

• II

• III

• IV

Multiple Choice

The auditory ossicles function to...

• Connect the tympanic membrane to the cochlear

• Connect the outer ear to the middle ear

• Detect the vibrations that make up sound in the middle ear

• Connect the cochlear and vestibular apparatus

Multiple Choice

Hair cells are associated with...

• The organ of corti

• The vestibular apparatus

• Both the organ of corti and vestibular apparatus

• Neither the organ of corti or the vestibular apparatus

Multiple Choice

Which of these correctly orders frequencies as they would distort into the scalar media (closest to furthest from the oval window)?

• 500 Hz

  1500 Hz

  2000 Hz

  1000 Hz

• 500 Hz

  1000 Hz

  1500 Hz

  2000 Hz

• 2000 Hz

  1500 Hz

  1000 Hz

  500 Hz

• 500 Hz

  2000 Hz

  1000 Hz

  1500 Hz

Multiple Choice

Along which cranial nerve does auditory and balance information travel?

• II

• IV

• VI

• VIII

Multiple Choice

What type of membrane receptor do olfactory receptor cells use?

• Voltage gated ion channels

• G-protein coupled receptors

• Ligand gated ion channels

• Mechanical gated ion channels

Multiple Choice

What is the function of the basal cells in the olfactory epithelium?

• Replace receptor cells

• Replace supporting cells

• Secrete mucous

• Provide attachment to the bone

Multiple Choice

Along which cranial nerve does olfactory information travel?

• I

• II

• III

• IV

Multiple Choice

Which tastes are directly linked to ion channels?

• Sweet and sour

• Salt and sweet

• Salt and sour

• Umami and bitter

Multiple Choice

Which of these is NOT a cranial nerve that the gustation pathway travels through?

• VII

• VIII

• IX

• X