Which of these structures or substances in the skin helps prevent UV radiation from damaging deep structures of the skin?
A. Keratinocytes
B. Keratin
C. Melanin
D. Collagen fibers
E. Sebaceous glands
Answer: C
You might also like to view...
An ________ is an injury where a flap of skin and tissues are torn loose or torn off
A) amputation B) avulsion C) abrasion D) None of the above
Elevated urinary levels of 11-dehydrothromboxane B2 identify patients who are:
a. At risk for heparin-induced thrombocytopenia b. Overanticoagulated with warfarin c. Resistant to aspirin antiplatelet therapy d. Resistant to direct thrombin inhibitors
If a person donated an organ, would the recipient and/or the recipient's family learn the donor's identity and contact the donor or his or her family?
What will be an ideal response?
The medical assistant is responsible for making sure there is a ________ consent form
a. written b. signed c. typed d. documented