Complete Solutions
HERPETIC WHITLOW - Correct Answers ✅Painful grouped
vesicles on an erythematous base located on the distal finger
Cause: Infection with HSV
Treatment:
Self-limiting disease
Antiviral (e.g., acyclovir) may be beneficial
ONYCHOCRYPTOSIS/ INGROWN NAILS - Correct Answers
✅Inflammation and soft tissue hypertrophy +/− secondary
infection occurring when the
lateral edge of the nail plate impinges on the nail fold
ONYCHOCRYPTOSIS Cause:
Onychomycosis
Incorrect technique of nail cutting
Repetitive trauma
Poor foot hygiene; poorly fitting shoes - Correct Answers
✅Treatment
Barrier placement between nail plate and nail fold
Excision of the portion of nail plate pressing on the nail fold
+/− Antibiotics
Biphasic Anaphylaxis - Correct Answers ✅Recurrence of Sx
4 to 32 h (mean
,MCCQE 1 Solved Papers - Questions with
Complete Solutions
10 h) after the initial episode.
Occurs in up to 20% of patients
and is due to the release of 2◦
mediators and the late-phase
response.
Protracted Anaphylaxis - Correct Answers ✅Refractory
Resp distress or
hypotension despite appropriate
medical Rx.
What Saves Lives? EPI,
EPI, EPI - Correct Answers ✅Adults: 0.3 to 0.5 mg IM
Children: 0.01 mg/kg IM
I V EPI: 0.1 mg, dilute 0.1 mL
1:1,000 in 10 mL N/S
Give 1 to 2 mL/min
All patients presenting with signs or Sx of anaphylaxis get: -
Correct Answers ✅• Measures to stop any continuing Ag
exposure
• Two large bore I Vs • Supplemental O2
• Cardiac and O2 sat monitoring
,MCCQE 1 Solved Papers - Questions with
Complete Solutions
• EPI IM or I V
• Methylprednisolone 125 mg I V
• Diphenhydramine 50 mg I V + ranitidine 50 mg I V
MINOR BURNS - Correct Answers ✅• cleaning with soap
and water or dilute antiseptic solution.
Td immunization prn
topical Abx: 1%silver sulfadiazine(Dermazine) , bacitracin
(Baciguent),
or bacitracin/neomycin/polymyxin B (Neosporin ointment).
Occlusive, clean dressings should be applied regularly.
Parkland Formula - Correct Answers ✅Fluid required (ml of
RL) = 4 × kg body wt × TBSA
• 1/2 given in first 8 h from time of injury, 1/2 given in next
16 h
Anticholinergic - Correct Answers ✅Antihistamines, TCAs,
phenothiazines,
atropine
Cholinergic - Correct Answers ✅Insecticides, nerve agents,
nicotine,
pilocarpine, urecholine
, MCCQE 1 Solved Papers - Questions with
Complete Solutions
Sympathomimetic - Correct Answers ✅Cocaine,
amphetamines, MDMA (ecstasy),
ephedrine, theophylline
Opiate/sedative - Correct Answers ✅Heroin, morphine,
benzodiazepines,
barbiturates, meprobamate, EtOH
Hallucinogens - Correct Answers ✅LSD, mescaline,
phencyclidine, psilocybin
CVS - Correct Answers ✅β-Blockers, CCBs
Serotonin - Correct Answers ✅MAOI, SSRI, meperidine,
TCA, L-tryptophan
Cellular - Correct Answers ✅CO, H2S, cyanide
TCAs - Correct Answers ✅Amitriptyline, doxepin
Simple asphyxiants - Correct Answers ✅CO2, inert gases
Drugs inducing metabolic acidosis