early concepts - exam 3 Flashcards
1
Q
normal hearing
A
-10-25
2
Q
mild hearing loss
A
26-40
3
Q
moderate hearing loss
A
41-55
4
Q
moderately severe hearing loss
A
56-70
5
Q
severe hearing loss
A
71-90
6
Q
profound hearing loss
A
> 91
7
Q
PTA freqs
A
500, 1000, 2000, (4000)
8
Q
normal hearing type
A
AC & BC within -10-25 dB across all freqs
9
Q
conductive HL
A
BC normal hearing
AC worse
ABG >/= 10
issue in the MIDDLE EAR
10
Q
SNHL
A
AC & BC both outside normal range (>25)
ABG < 10
issue in INNER EAR
11
Q
mixed hearing loss
A
AC & BC both outside the normal range (>25)
AC worse than BC
ABG >/= 10
issue in MIDDLE & INNER EAR
12
Q
normal peak admittance for adults
A
0.37-1.66 mmhos
13
Q
normal peak pressure for adults
A
-100-50 daPa
14
Q
normal ECV for adults
A
0.9-2.0 ml
15
Q
type A tymps
A
everything normal
