Exam 1
2026
Questions And Answers
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2026
, podiatric medicine exam 1
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1. [...]% of the world's population will experience a cu- 70% ; 15% ; 45%
taneous mycotic infection in their lifetimes. [...]% of
the population will have fungal infections of the feet.
[...]% of those with tinea pedis will have recurrent
episodes for more than a decade.
2. dermatophytes are pathogenic fungi that utilize an keratinase ; warm & moist ;
enzyme known as [...] in order to inhabit [cold & stratum corneum ; cell-me-
dry/warm & moist] environments such as hair & diated immunity ; does not
nails. these organisms also invade keratinized layers progresses unless one is
of the skin, particularly the [...]. infection is held in immunocompromised ; 1-3
check via [...] & hardly progresses past this layer un- week incubation period ;
less one is [...]. we are to know that these organisms centrifugal pattern known
have an average incubation period of [...] & cause as "circular scaling" ; active
a rash with a characteristic [...] pattern. in order to scaling border (not the clear
determine if an individual has this, taking a skin center)
scraping from the [...]
3. the most prevalent mycotic skin infection worldwide tinea pedis ; trichophyton
is [...] which is primarily caused by the organism rubrum (90% of cases) ; en-
known as [...], which is endemic to [...]. we are to demic to Asia, Africa & Aus-
know that this dermatophyte [is/is not] aggressive, tralia ; not aggressive ; re-
remains in the [...] of one's skin & causes recurrent mains in stratum corneum ;
infections because it [...]. this organism is unique evades immune surveillance
in that it has cell wall glycoproteins which suppress
[...], suppress [...] & inhibit [...]. also know that this cell wall glycoproteins sup-
organism can survive as a [...]. press inflammation, sup-
press cell-mediated im-
2026
, podiatric medicine exam 1
Study online at https://quizlet.com/_ckr89f
munity & inhibit stratum
corneum turnover
can survive as a spore,
meaning it does not need to
be on the human body to
live ; can live on household
objects & latch onto human
skin upon contact
4. to burn it into your brain: tinea pedis
what is the most prevalent mycotic skin infection? (know that the word tinea
is derived from the latin
word which means gnawing
worm)
5. what are the three types of tinea pedis? dry & scaling
characterized by circular
scaling lesions which may
become confluent & give
pattern of generalized scal-
ing ; commonly pruritic ; may
assume a moccasin distribu-
tion but may also be limited
to interspaces where crack-
ing & fissuring of skin are
seen
vesicular
multiple pruritic vesicles,
typically on soles ; more
commonly caused by t. men-
2026
, podiatric medicine exam 1
Study online at https://quizlet.com/_ckr89f
tagrophytes ; can be mistak-
en for dyshidrotic eczema ;
take sample from skin where
vesicle roof meets surround-
ing skin
severe & erosive (erosio in-
terdigitalis blastomycetica)
severe interdigital infection
of interdigital webspaces
that presents as an erod-
ed erythematous area sur-
rounded by macerated skin
; can lead to secondary bac-
terial infx. that requires sys-
temic antibiotics
6. Erosio Interdigitalis Blastomycetica severe, wet interdigital form
of tinea pedis w/ superim-
visualized posed bacterial or candidate
infection
systemic abx are need-
ed for likely S. au-
reus & systemic antifungals
(terbinafine) needed
7. what is interdigital maceration? cutaneous candidiasis
how do you treat it?
2026