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MCPHS - OTC Exam 3c
MCPHS OTC Exam 3 (3) Podiatry (Feet) Ch. 45
| Question | Answer |
|---|---|
| Bones that Develop in Foot? | 26 Bones develop from 35 Joints, 19 Muscles, 100 Ligaments & Cartilage at Birth |
| Women's Feet Mature by Age? | 14-16 yo while MEN's by Age 15-21 yo |
| Females Start to develop Fractures in Feet by Age? | 30 yo, and Men by 40 yo |
| How much time does 40% of USA population spend on Feet? | 75% of time is spent on feet |
| 4 most common foot disorders? | Corns, calluses, warts; Athlete's Foot; Aching Feet; Ingrown Townails |
| How fast does epidermis get replaced on bottom of feet? | Once per Month |
| What does friction and pressure do to epidermis of feet? | Hastens Migration of Stratum Corneum to surface causing feet to taughen up |
| What is Hyperkeratosis of stratum corneum called? | Calluses |
| What is a Clavus? | Corn: small raised sharply demarcated lesion yellow-grey color apex inward |
| Cause of Corns (Clavus)? | illfitted shoes, barefeet. Tx: avoid causes, soften and sand off (Don't Cut) |
| FDA Appr. Tx. for Calluses & Corns? | Salicylic Acid (Plaster 12-40%, Collodions 12-18%) |
| How long are plasters & collodions left on for Tx of Corns & Calluses? | Plasters = 48 hrs. Collodions AAA BID |
| What are Warts called? | "Verrucae" are warts |
| What are verrucae caused by? | Warts are caused by HPV or other Viruses |
| How many verieties of wart viruses are there? | 50 or more |
| Pop in USA that have Warts? | 9 million in USA have Warts (25% are Plantar) |
| How many children have warts? | 1:10 children have warts |
| How are warts spread? | contact, fomites, showers, pools |
| When do warts infect pts? | Thru Abrasion, Compromised Immune Systems |
| How Long is Incubation for Warts? | 1-20 months (ave 3-4 mos.) |
| What are SubUngual & Periungual Warts? | Warts Under or Around Fingernails/toenails |
| What are three Criteria for getting warts? | Papillomvirus present, abrasion, Immune system susceptible |
| Where can warts occur? | Face, neck, hands, wrists, knees, feet, genitalia, anus... |
| Where do Verrucae Plantaris Warts occur? | Under the Skin, Painful, Different looking warts |
| Tx. for Warts (Verrucae)? | Self-Limiting (30% in 6 mos, 65% in 2 yrs., Most in 5 years) Pharmaco Tx's: Salicylic Acid (collodions), soaking, scraping, burning, freezing |
| New Wart Products on Market are? | Wartner, Compound W Freeze Off, Dr. Scholl's Freeze Away (Dimethyl Ether & Propane) Warts fall off in 10 Days after Tx.s |
| What is another name for Athlete's Foot? | Tinea Pedis |
| What is Tinea Corporis? | Ringworm |
| What is Ringworm under the nail called? | Tinea Unguium |
| What is Ringworm of scalp called? | Tinea Capitis |
| What is Jock Itch? | Tinea Cruris is Jock Itch |
| Pop in USA w/ Tinea Pedis? | 27 million/yr. 7/10 are male |
| How is Tinea Pedis transmitted? | Contact & Fomites |
| What are S & Sx of Athlete's Foot (Tinea Pedis)? | Itch, burn, inflamm., malodor, stinging (advanced is Fissures), maceration (spreads) |
| What does a collodion look like when it dries on skin? | It covers like plastic when dry |
| What is the name of a foot soak? | Johnson's foot soak for tx of corn and calluses |
| What is the bottom of foot called? | Plantar is name of bottom of foot. A plantar wart is on the bottom of foot |
| Tx's for Athlete's Foot? | Top AntiFungulss: Butenafine (Lotrimin Ultra) Cltrimazole (Cruex, Desenex, Mycelex), Miconazole (Lotrimin, Micatin, Cruex), Terbinafine (Lamisil, Desenex), Tolnaftate (Tinactin, Absorbine, Odor-Eaters), Undecylenic Acid & Zinc Undecylenate(Desenex, Cruex) |
| What is FDA approv. for Tx. Athlete's Foot? | Butenafine (Lotrimin Ultra) |
| What is least desirable tx for athlete's foot? | (Original) Desenex or Cruex (Undecylenic Acid or Zinc Undecylenate) |
| How long does it take to cure Athlete's foot using Butenafine (Lotrimin Ultra)? | 7-10 Tx Cure Athlete's Foot with Butenafine (Lotrimin Ultra) |
| Names of Cltrimazole Products? | Cruex, Desenex, Mycelex) |
| What is Tolnaftate used for? | Athlete's Foot (Tinactin, Absorbine, Odor-Eaters) |
| What are two brands of Terbinfine? | Lamisil & Desenex |
| What are Bunions also called? | Hallux Valgus (Misalignment of big toe at Metatarsophalangeal Joint) Swollen Inflamed Bursa and excessive growth of fibrous connective tissue. |
| What is Hallux Valgus? | Bunions |
| What is Tx for Bunions (Hallux Valgus)? | Avoid tight shoes, Use shoe inserts, Ibu prn, soak feet to sooth |
| Causes of Ingrown Toenails? | Improper Trimming of Nail, Tight Shoes (Pain & Infection Possible) Tx: Soak Feet for Relief. Ibu PRN. Systemic Antibiotic if Infected. May req. Surgery. |
| Blisters? | Friction. AAA Tincture of Benzoin or New Skin (Flex Collodion) Once broken AAA Top AntiBiotic to prevent infection |
| Forms Tx's for Athlete's Foot come in? | Liq, Creams, Spay (powder & Liq.), Powder Shaken (talc) |
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