Ill mark !

1-)which of the following lists causes of hearing loss?

a) trauma, infections, and damage to photoreceptors
b) repeated exposure to loud noise, trauma, and infections
c) repeated exposure to loud noise, trauma, and damage to photoreceptors
d) damage to photoreceptors, repeated exposure to loud noise, and infections

2-)what are the rods and cones that cover the retina of the eye called?

a) photons
b) retinal cells
c) optic nerves
d) photoreceptors

3-)why do most women experience hair loss in midlife?

a) from a build-up of the lye used in professional hair-coloring
b) because they are not getting enough keratin from their hair products
c) because the levels of female hormones decrease during menopause
d) aging scalps that can no longer fight off pathogens effectively

4-)which of the following functions makes the skin waterproof?

a) old cells die and become filled with a hard protein.
b) the skin retains the body's fluids.
c) sensory receptors register changes in temperature.
d) the skin cools the body by sweating.

5-)which of the following is a structure in the dermis?

a) epidermis
b) hair follicle
c) sebum
d) hypodermis

6-)the accessory organs of the skin are located in the dermis. what value does the dermal layer provide to the accessory organs?

a) the dermis is composed of fat cells and keeps our hands and feet warm.
b) the dermis is the basal layer where new cells form and push the old cells out.
c) the dermis is full of nerves and provides the organs with a blood supply.
d) the dermis acts as a natural sunscreen, protecting us, to some extent, from ultraviolet rays.

7-)in a cochlear implant, a( detects sound waves and sends them to the sound processor.