Dermatology UPDATED Exam Questions and CORRECT Answers

Dermatology UPDATED Exam Questions
and CORRECT Answers
Terminology - CORRECT ANSWER -



Terminology - CORRECT ANSWER - Know Teleangiectasia, Papule, Plaque, Vesicle,
Macule, Nodule, Petechiae. Know the picture of each one.


Terminology - CORRECT ANSWER -



Terminology - CORRECT ANSWER -


"*" Means it's important to know.

Good Luck!! - CORRECT ANSWER - ...


Cutaneous Membrane consist of all the following, except?
A. Epidermis
B. Dermis

C. Hypodermis - CORRECT ANSWER - C. Hypodermis



What is considered the largest organ of the body? - CORRECT ANSWER - Skin



Accessory Structures includes: - CORRECT ANSWER - Hair, exocrine glands, sensory ,
receptors, and nail


What connects the epidermis to the dermis layer? - CORRECT ANSWER - Hemi-
Desmosomes

,Layers "Strata" of the Skin - CORRECT ANSWER - Come, Lets Get Sun Burned
-Corneum
-Lucidum* (Only found in thick skin: palm, sole of foot)
-Granulosum
-Spinosum
-Basal Layer (aka Germinativum)


Epidermis is composed of: - CORRECT ANSWER - -Stratified Squamous Epithelium
(Multi-layer)
-Provide mechanical protection from pathogens.
-Dominated by Keratinocytes that secrete keratin
-Dead cell (No nuclei)


Basal Layer is composed of: - CORRECT ANSWER - ALIVE!!!
-Have Nuclei
-Melanocytes and Basal cells are found here
-When division melanocytes goes awry>melanoma is formed


Melanocytes helps protect - CORRECT ANSWER - the rapidly dividing basal cells from
damage due to the UV radiation.


Dead cells are helds together by - CORRECT ANSWER - desomosomes



What gives the skin it's protective capabilities? - CORRECT ANSWER - Keratin, which is
secrete by keratinocytes. It also makes the skin water proof.


Hyperkeratosis is a common pathological phenomenon - CORRECT ANSWER - -Actinic
Keratosis (AK)
-Squamous Cell Carcinoma (SCC)

,-Keratoacanthoma (KAs) *Looks like a volcano*


What gives the skin it's color? - CORRECT ANSWER - Melanocytes that secrete melanin.
Remember that skin under mitosis. Mutant "daughter cell" can happen that can lead to melanoma


Where is merkel cells located?
A. Thin Skin

B. Thick Skin - CORRECT ANSWER - A. Thick skin
Located in skin that lack hair. Ex. Palms of hand and sole of feet.


What are merkel cells? - CORRECT ANSWER - Sensory Receptors. (Sensitive Touch)



Merkel Cells carcinoma - CORRECT ANSWER - Rare and highly agressive skin cancer,
in most cased caused by a virus (Merkel cell polyomavirus)


What are the two components of the dermis? - CORRECT ANSWER - 1. Superficial
Papillary
2. Deep Reticular Layer


Tissue found in the dermis layer - CORRECT ANSWER - Areolar Tissue



What is found in areolar tissue? - CORRECT ANSWER - Collagen (Give skin its bulk)
and elastic fibers (Give the skin the ability to stretch and recoil)


Collagen and elastic fibers are secreted by - CORRECT ANSWER - fibroblasts (Make less
of this as you ages: Wrinkles)


Immune cells, blood vessels, lymphatic, and sensory neurons are found in which layer?
A. Superficial Papillary

, B. Deep Reticular Layer
C. Corneum

D. Subcutaneous Layer - CORRECT ANSWER - B. Deep Reticular Layer



Exocrine glands includes - CORRECT ANSWER - Eccrine sweat glands and Sebaceous
oil glands


Function of the Skin - CORRECT ANSWER - -Protection (against organism, UV,
chemicals)
-Body Temp. Regulation
-Melanin (Skin color)
-Syn.of Vit D
-Storage of lipids
-Salt and Water excretion
-Immune Function
-Wound Healing


What is a PPTT? - CORRECT ANSWER - Another function of the skin.
Pain, Pressure, Temperature, Touch (PPTT)


If you lack Vit D2? - CORRECT ANSWER - Body can't absorb Calcium and phosphorus
in the small intestine


Where is Eccrine Sweat gland found? - CORRECT ANSWER - All over the body
-Help cool body
-Salt and water excretion
-Location: Upper lip, forehead , palms, soles


Where is apocrine sweat gland? - CORRECT ANSWER - Axillary and inguinal