NU 674 Exam Questions and Answers
(2026) | Comprehensive Review with
Detailed Rationales | A+ Verified
• localized collections of pus that occur within the dermis and subcutaneous space;
erythema, induration, TTP, and fluctuant are main characteristics . Answer:
cutaneous abscess
• when is wound packing NOT recommended for abscesses . Answer: less than
5cm in diameter
• where is the incision made when performing an I&D on an abscess . Answer:
directly over the center of the abscess
• most common causes of skin and soft tissues infections . Answer: Staph aureus or
MRSA
• how often can you give Narcan . Answer: every 2-3min
• how should patient be positioned to receive nasal Narcan . Answer: supine, on
their back
• local anesthetic which rapid onset of action, but shorter duration for most skin
procedures . Answer: Lidocaine (Amides-Xylocaine)
• local anesthetic that has a slower onset but a long duration . Answer: Bupivacaine
(Marcaine)
,• steps to reduce pain with local anesthetic injection: . Answer: stretch skin taut,
pressure on skin surface around the site, 30G needed, enter at 90degrees, aspirate
plunger (avoid IV placement), superficial placement first, allow to "set"
• when and where to avoid use of Epi . Answer: hx of tachyarrhythmia or
vasospastic disease (Raynauds); distal to wrist, ankle, and male genitalia
• ratio when mixing Lido and Epi . Answer: 10:1
• shave biopsy is used for... . Answer: exophytic lesions
• punch biopsy is used for.. . Answer: rashes and endophytic lesions
• when are pre-procedure abx indicated for skin biopsies . Answer: prosthetic heart
valve, joint replacement in past 2 yrs, hx of endocarditis, symptomatic valvular
heart disease
• pre procedure antibiotic choice for skin biopsy . Answer: amoxicillin 2g po 1 hr
prior; OR clindamycin
• cryotherapy is used for.. . Answer: viral warts and actinic keratosis
(precancerous)
• contraindications to cyrotherapy . Answer: raynauds, pyoderma gangrenosum,
cold urticaria, cryoglobulienemia, cold intolerance, connective tissue disease
• skin condition characterized by hives or wheals that results from some trigger .
Answer: urticaria
, • acute urticaria lasts.. . Answer: less than 6 weeks
• most common cause of acute urticaria . Answer: viral
• most common cause of chronic urticaria . Answer: idiopathic
• what medication should someone with chronic urticaria avoid . Answer: Aspirin
• treatment for papular urticaria . Answer: topical steroid - low dose
• first line treatment for urticaria . Answer: non sedating antihistamines (allegra,
claritin, zyrtec)
• risk factor for anaphylaxis . Answer: asthma
• "Darrier's sign" is a symptom of what skin condition . Answer: dermatographism
• LDL normal range . Answer: <100
• HDL normal range . Answer: >60
• type of diet to prevent HLD . Answer: mediterranean and DASH
• therapy indicated if ASCVD preventative measures fail . Answer: statins
(2026) | Comprehensive Review with
Detailed Rationales | A+ Verified
• localized collections of pus that occur within the dermis and subcutaneous space;
erythema, induration, TTP, and fluctuant are main characteristics . Answer:
cutaneous abscess
• when is wound packing NOT recommended for abscesses . Answer: less than
5cm in diameter
• where is the incision made when performing an I&D on an abscess . Answer:
directly over the center of the abscess
• most common causes of skin and soft tissues infections . Answer: Staph aureus or
MRSA
• how often can you give Narcan . Answer: every 2-3min
• how should patient be positioned to receive nasal Narcan . Answer: supine, on
their back
• local anesthetic which rapid onset of action, but shorter duration for most skin
procedures . Answer: Lidocaine (Amides-Xylocaine)
• local anesthetic that has a slower onset but a long duration . Answer: Bupivacaine
(Marcaine)
,• steps to reduce pain with local anesthetic injection: . Answer: stretch skin taut,
pressure on skin surface around the site, 30G needed, enter at 90degrees, aspirate
plunger (avoid IV placement), superficial placement first, allow to "set"
• when and where to avoid use of Epi . Answer: hx of tachyarrhythmia or
vasospastic disease (Raynauds); distal to wrist, ankle, and male genitalia
• ratio when mixing Lido and Epi . Answer: 10:1
• shave biopsy is used for... . Answer: exophytic lesions
• punch biopsy is used for.. . Answer: rashes and endophytic lesions
• when are pre-procedure abx indicated for skin biopsies . Answer: prosthetic heart
valve, joint replacement in past 2 yrs, hx of endocarditis, symptomatic valvular
heart disease
• pre procedure antibiotic choice for skin biopsy . Answer: amoxicillin 2g po 1 hr
prior; OR clindamycin
• cryotherapy is used for.. . Answer: viral warts and actinic keratosis
(precancerous)
• contraindications to cyrotherapy . Answer: raynauds, pyoderma gangrenosum,
cold urticaria, cryoglobulienemia, cold intolerance, connective tissue disease
• skin condition characterized by hives or wheals that results from some trigger .
Answer: urticaria
, • acute urticaria lasts.. . Answer: less than 6 weeks
• most common cause of acute urticaria . Answer: viral
• most common cause of chronic urticaria . Answer: idiopathic
• what medication should someone with chronic urticaria avoid . Answer: Aspirin
• treatment for papular urticaria . Answer: topical steroid - low dose
• first line treatment for urticaria . Answer: non sedating antihistamines (allegra,
claritin, zyrtec)
• risk factor for anaphylaxis . Answer: asthma
• "Darrier's sign" is a symptom of what skin condition . Answer: dermatographism
• LDL normal range . Answer: <100
• HDL normal range . Answer: >60
• type of diet to prevent HLD . Answer: mediterranean and DASH
• therapy indicated if ASCVD preventative measures fail . Answer: statins
