Otic system book Flashcards
(171 cards)
What are dermatologic conditions commonly seen in veterinary practice?
Ectoparasitic problems, allergies, skin diseases
Common skin problems include those caused by fleas, ticks, and mosquitoes.
What is the role of a veterinary technician in managing dermatologic conditions?
Obtaining complete history, performing diagnostic procedures, providing client education
Client education is crucial for understanding medication purposes and usage.
What are the three layers of the skin?
Epidermis(basal, spinous, granular, clear, horny), dermis (corium), hypodermis (subcutis)
The dermis provides most of the skin’s thickness.
What is the function of the skin?
Barrier against pathogens, sensory perception, thermoregulation, immunologic defense, vitamin D3 production
The skin also serves as a reservoir for electrolytes.
What diagnostic procedures are used to determine the cause of skin disease?
Skin scrapings, allergy testing, dermatophyte tests
Skin scraping identifies mites like Sarcoptes and Demodex.
What is the epidermal turnover rate?
21 to 22 days
This is the time it takes for epidermal cells to reach the outer layer.
What are the phases of hair growth?
Anagen (growth), telogen (rest), catagen (intermediate)
Dogs and cats have multiple hairs per follicle, unlike humans.
What are the four stages of normal wound healing?
Inflammation, débridement, repair, maturation
Each phase contributes to the healing process.
What is primary intention healing?
Healing of a clean, uninfected surgical incision approximated by sutures
There is no area for granulation tissue to fill.
What is secondary intention healing?
Healing of a larger wound that requires granulation tissue to fill the opening
This occurs when sutures cannot be used.
What is the function of the dermis?
Provides stability, flexibility, and contains structures like hair follicles, sebaceous glands
It is also involved in wound repair.
What is colloidal oatmeal used for?
Topical anti-inflammatory and antipruritic agent
It is thought to inhibit prostaglandin production.
What are the clinical uses of aluminum acetate solution?
Treatment of superficial skin problems like acute moist dermatitis
It is also known as Burow’s solution.
What are the common adverse side effects of aluminum acetate solution?
Avoid contact with eyes, do not prevent evaporation from skin
Gloves should be worn during application.
What are essential fatty acids used for in dermatology?
Antipruritic and anti-inflammatory properties
They help with conditions like atopic dermatitis and seborrhea.
What factors contribute to proper wound healing?
Patient factors, wound characteristics, external factors
Includes age, nutritional status, and environmental conditions.
Fill in the blank: The _______ is the deepest layer of the skin.
hypodermis
True or False: The epidermis includes a population of normal microorganisms.
True
What is diphenhydramine?
A first-generation antihistamine with local anesthetic properties.
Can be absorbed transdermally but not enough to cause systemic effects.
List the dosage forms of diphenhydramine.
- ResiHist Leave-On Lotion
- Benadryl (human label)
- Benasoothe
- AtopiCream
What are the adverse side effects of diphenhydramine?
Avoid contact with eyes or mucous membranes. Should not be applied to oozing skin. Gloves should be worn during application.
What is the clinical use of topical lidocaine?
Applied as a skin anesthetic and helps with pruritus.
May treat acute moist dermatitis, pruritic lesions, or painful skin conditions.
List the dosage forms of topical lidocaine.
- Allercaine
- Allerspray
- DermaCool with Lidocaine Spray
- Hexa-Caine
- Biocaine
- EMLA Cream
What are the adverse side effects of topical lidocaine?
Avoid contact with eyes and do not use in ears. Gloves should be worn during application.