Layers and Membranes
What type of membrane lines synovial joints?
Synovial membrane
What is the half-moon shaped structure at the base of the nail plate called?
Lunula
Which viral infection, once present, remains in the body for life?
Herpes
The largest organ in the body by weight is the:
Skin
What is the primary function of serous membranes?
To line cavities that do not open to the outside
The deepest part of a hair root is called the:
Hair bulb
Which degree burn only affects the epidermal layer of skin?
First degree
During wound healing, what forms to cover and protect the injury?
Scab
Which skin layer contains blood vessels?
Dermis
What process causes keratinocytes to harden and die as they move toward the skin's surface?
Keratinization
A pressure sore that develops from prolonged pressure on the same area is called:
A decubitus ulcer
What cells are responsible for producing melanin in the skin?
Melanocytes
The hypodermis contains which type of tissue?
Adipose and areolar tissues
What is the primary function of sebaceous glands?
To secrete sebum for waterproofing
Which of the following is a fungal infection of the feet?
Tinea pedis
The skin's response to excess body heat includes:
Vasodilation of blood vessels
What are the 3 types of the epithelial membranes?
Serous, Mucous, and Cutaneous
Which type of sweat gland becomes active during puberty and responds to emotional stress?
Apocrine glands
The most serious form of skin cancer is:
Melanoma
What procedure might a dermatologist perform to diagnose a suspicious skin lesion?
Biopsy