Quiz on Human Senses and Sensory Evaluation PO 1.2

What is the primary function of the ciliary muscle in the eye?

• To transmit information to the brain

• To regulate the size of the pupil

• To control the shape of the lens

• To absorb unused radiation

Which part of the eye is responsible for high-resolution vision?

• Cornea

• Fovea

• Sclera

• Iris

What type of cells in the retina are responsible for color vision?

• Rods

• Cones

• Hair cells

• Optic nerve fibers

Which structure in the ear is responsible for converting sound vibrations into electrical signals?

• Auditory nerve

• Ossicles

• Cochlea

• Eardrum

What is the primary role of the olfactory nerves?

• To regulate taste sensations

• To send smell signals to the brain

• To detect sound vibrations

• To transmit visual information

Which taste sensation is primarily elicited by sodium chloride?

• Salty

• Sour

• Sweet

• Bitter

What type of acids produce a sour taste?

• Alkaloids

• Protonated organic and inorganic acids

• Monosaccharides

• Flavour enhancers

Which of the following is a characteristic of rods in the retina?

• Provide sharp visual acuity

• Function under bright lighting

• More numerous than cones

• Responsible for color vision

What is the function of the iris in the eye?

• To absorb light

• To protect the eye from injury

• To adjust the size of the pupil

• To transmit signals to the brain

Which part of the ear amplifies sound vibrations?

• Auditory nerve

• Ossicles

• Eardrum

• Cochlea