Derm

Question 1

Normal skin flora

Answer 1

1. Staph epidermis
2. corynebacterium (diphtheroids)
3. various streptococci–(Group A, pyogenes, Group B)
4. Candida albicans

Question 2

lice (2)

Answer 2

Pediculus capitis (scalp)
P. corporis (body) 
Phthirus pubis (crabs)

Question 3

Lice treatment wide-scale

Answer 3

Permethrin, combs, launder

Question 4

scabies aka,

inflamed crusty lesion w/in 1-4 wks

Answer 4

Sarcoptes scabiei (8 legs),

Question 5

scabies treatment

Answer 5

Permethrin–burrow into skin folds

Question 6

DNA Poxvirus–infects skin and mucous membranes–Pearl white to flesh colored, “umbilicated” papules–skin or mucous membranes

Answer 6

Molluscum Contagiosum–“firm, dome-shaped papules” “curd-like material filled”

Question 7

Treatment for molluscum Contagiosum

Answer 7

Self-limiting–6 months

Question 8

Varicella Zoster Virus:
Adults:
children:

Answer 8

-Herpes Zoster (shingles)–dermatome itch, burn, throb pain
-Chickenpox–fever/ rash–2 wk incubation
(vesicles crust and scab)

Question 9

shingles treatment

Answer 9

Acyclovir–w/ in 72 hrs

Question 10

DNA papovavirus that multiplies in nuclei of epighelial cells–WARTS–

Answer 10

Human Papilloma Virus,

Question 11

HPV treatments

Answer 11

1. cryotherapy–liquid nitrogen
2. topical
3. surgery

Question 12

Replication location:
DNA:
vs RNA:
MOST WILL HAVE PRODROMAL PHASE

Answer 12

• nucleaus of infected cell

- cytoplasm

Question 13

Measles aka–RNA virus Paramyxovierdae–IgM tested

Answer 13

Rubeola

Question 14

Measles phases–2 wk incubation

Answer 14

1. prodromal phase: fever, malais, coryza (flu-like)

2. Exanthem phase: fever, cough, rash

Question 15

Rubeola physical findings

Answer 15

• Koplik spots next to molars

- “BLUISH” lesion

Question 16

RNA paramyxovirus infection–acute, systemic, communicable–“SCROTAL EDEMA”– “PAROTID GLANDS SWELLING”

Answer 16

Mumps–

Question 17

Mumps treatment

Answer 17

• acetaminophen

- supportive (R&R)

Question 18

Rubella aka –RNA togavirus–LYMPHADENOPATHY–

Answer 18

German Measles–RASH moves face down

Question 19

FIFTH DISEASE–DNA Paravovirus B19–

Answer 19

Erythema Infectiousm–

1. “slapped cheek” first stage
2. 2nd stage rash spreads distally
3. rash several weeks

Question 20

Erythema infectiousum treatments

Answer 20

1. SUPPORTIVE
2. NSAIDS
3. immunosuppressed IVIG

Question 21

Spreading inflammation of DERMIS AND SUBQ tissue–pain, redness, LYMPHANGITIS (red streaks up arm)–causes

Answer 21

cellulitis & abscess (likely Staph)

-usually from break in skin, burn, lesion, bite

Question 22

hand, foot, and mouth aka

Answer 22

coxackie

Question 23

cellulitis treatment 1st and 2nd line

Answer 23

1st line Cephalexin

2nd if MRSA suspected: Trimethoprim/sulfamethaxazole, doxycycline, clindamycin

Question 24

treatment for abscess

Answer 24

incision and drainage I&D w/ gram stain of pus– +/- antibiotic –may not be clear-cut btwn cellulitis/abscess

Question 25

Impetigo types and causes

Answer 25

Bullous (fluid filled): Staph aureus (exfoliating toxin)

Nonbullous: S. aureus & A beta-hemolytic strep

Question 26

Impetigo treatment

Answer 26

• topical Mupirocin for mild

- systemic cephalexin or for MRSA (almost always abscesses)

Question 27

“honey crusting” think

Answer 27

Impetigo

Question 28

Rocky Mountain Spotted Fever from:

“blanching macular pink rash” beginning on ankles, wrist, forearms ==> trunk

Answer 28

Rickettsia Rickettsii–similar to Lyme w/out target

Question 29

Rocky mountain spotted fever treatment

Answer 29

Doxycycline same as Lyme

Question 30

Secondary infection of foot ulcer–pressure, neruopathy, peripheral arterial disease. Name and cause

Answer 30

Diabetic Foot Ulcers (low immune system)

S. aureus, S. agalctiae, S. pyogenes

Question 31

Inflammation of nail fold name and etiology–associated w/ ingrown toenail–most common hand&foot infection

Answer 31

• Paronychia,

- Candida sp. or S. aureus

Question 32

main fungal infectant

Answer 32

Candida albicans (unicellular)

Question 33

Paronychia treatment

Answer 33

1. I & D

2. empiric antibiotics

Question 34

Spirochete bac STD–ENDOTOXIN LPS–Primary, Secondary, Tertiary phases– cause & phases

Answer 34

Treponema pallidum,

1. “painless ulcer”
2. lymphadenopathy and rash
3. menigitis, psychosis, neuropathies

Question 35

Syphilis treatment

Answer 35

1. Penicillin G

2. Doxycycline for allergic

Question 36

Tick-borne bacterial infection w/ three stages

Answer 36

Lyme (BOB)
Borrelia burgdorferi (endotoxin--resists phaocytosis)

Question 37

Lyme bullseye aka

Answer 37

Erythema migrans–NSAIDS

Question 38

Lyme treatment

Answer 38

1. Doxycycline

2. NSAIDS