The senses LC

Which of the following is not considered one of the five human senses?

• Temperature

• Taste

• Smell

• Balance

Answer explanation

Temperature is not considered one of the five human senses, the other four being taste, smell, sight, and hearing.

Where are the receptors for taste located?

• In the ear

• In the tongue

• In the nose

• In the skin

Answer explanation

The receptors for taste are located in the tongue, making it the correct choice. Taste buds on the tongue detect different flavors.

What is the function of the conjunctiva in the eye?

• To detect light

• To protect the eye

• To absorb light

• To focus light on the retina

Answer explanation

The function of the conjunctiva in the eye is to protect the eye, not to detect or absorb light, or to focus light on the retina.

Which part of the eye contains the light receptors known as rods and cones?

• Cornea

• Choroid

• Retina

• Iris

Answer explanation

The part of the eye that contains the light receptors known as rods and cones is the Retina.

What is the function of the Eustachian tube in the ear?

• To convert pressure waves into electrical impulses

• To detect sound waves

• To amplify vibrations

• To equalize air pressure

Answer explanation

The Eustachian tube functions to equalize air pressure in the ear, preventing discomfort and potential damage to the eardrum.

What is the purpose of the spiral tube in the ear?

• To convert pressure waves into electrical impulses

• To amplify sound waves

• To detect balance

• To equalize air pressure

Answer explanation

The purpose of the spiral tube in the ear is to convert pressure waves into electrical impulses, allowing us to hear and process sound.

Which part of the ear is responsible for maintaining balance?

• Pinna

• Eardrum

• Semi-circular canals

• Ossicles

Answer explanation

The semi-circular canals are responsible for maintaining balance by detecting changes in head position and movement.

What is the cause of 'glue ear' in children?

• Infection in the cochlea

• Overproduction of wax

• Blockage of the pinna

• Surplus sticky fluid in the middle ear

Answer explanation

The cause of 'glue ear' in children is surplus sticky fluid in the middle ear, not infection in the cochlea, overproduction of wax, or blockage of the pinna.

What is the function of the Organ of Corti in the ear?

• To amplify sound waves

• To stimulate sensory hair cells

• To convert pressure waves into electrical impulses

• To detect light

Answer explanation

The function of the Organ of Corti in the ear is to stimulate sensory hair cells, which are responsible for converting sound waves into electrical impulses for the brain to interpret.

What is the purpose of the blind spot in the eye?

• No visual receptors

• To detect colors

• To focus light on the retina

• To form images

Answer explanation

The purpose of the blind spot in the eye is to have no visual receptors, which means that light that falls on this area cannot be detected or seen.