16. The auditory nerve carries electrical signals from the ear to the:
a) Brain
b) Nose
c) Eyes
d) Throat
Answer: a) Brain
17. The iris controls the size of the:
a) Pupil
b) Cornea
c) Retina
d) Lens
Answer: a) Pupil
18. The middle ear contains three tiny bones called the:
a) Hammer, anvil, and stirrup
b) Cornea, iris, and retina
c) Pinna, cochlea, and eardrum
d) Optic nerve, lash, and sebaceous gland
Answer: a) Hammer, anvil, and stirrup
19. What part of the eye contains the most sensory cells for detecting light?
a) Retina
b) Cornea
c) Pupil
d) Sclera
Answer: a) Retina
20. Which of the following is not one of the five basic tastes?
a) Sweet
b) Spicy
c) Salty
d) Bitter
Answer: b) Spicy