"which healthcare professional is typically a secondary care provider?

a-nurse practitioner

b-physician

c-dermatologist

d-physician’s assistant"

The healthcare professional who is typically a secondary care provider is C. a dermatologist.
Primary care providers are those whom you go to first - so, you first see the doctor (physician) and his assistant/nurse, who then refer you to a specialist - a physician is usually a GP, which means that here the only specialist is a dermatologist who specializes in skin problems.

What are the choices?

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.