HEENT pt. 1

Question 1

indications of tympanometry

Answer 1

AOM
middle ear effusion
Eustachian tube function
confirm Tm perforation

Question 2

middle ear pressure equals

Answer 2

atmospheric pressure normally

Question 3

peak occurs when pressure in the middle ear cavity equals

Answer 3

pressure in the EAC

Question 4

vertical axis

Answer 4

compliance

Question 5

horizontal axis

Answer 5

pressure

Question 6

lowest impedance equals

Answer 6

max compliance

Question 7

Type B curve

Answer 7

no impedance
OM
Tm perf.
cerumen impaction

Question 8

Type C curve

Answer 8

negative pressure
middle ear fluid
ETD

Question 9

Positive rapid strep =

Answer 9

colonization w/ GAS

evidence of acute infection w/ GAS

Question 10

Negative rapid strep =

Answer 10

false neg.
no evidence of GAS
throat culture (pos = acute infection)

Question 11

rapid strep test

Answer 11

100% specific

65-80% sensitive

Question 12

ASO Ab

Answer 12

appears 1 wk - 1 month after onset of infection
highest = 3 weeks after infection
by 6 months = only 30% patients have abnormal titers

Question 13

Indications to use ASO ab serum test

Answer 13

Rheumatic fever
Glomerulonephritis
bacterial endocarditis

Question 14

False positive ASO ab =

Answer 14

increased beta - lipoprotein levels

Question 15

false negative ASO ab =

Answer 15

abx, steroids

Question 16

ASO ab is increased with :

SABSG

Answer 16

strep throat
acute RF
bacterial endocarditis
scarlet fever
glomerulonephritis

Question 17

interfering factors of Anti Dnase ab

Answer 17

antibiotics

Question 18

Anti-DNase ab is increased with :

Answer 18

post streptococcal glomerulonephritis and acute RF

Question 19

normal adult Anti DNases ab

Answer 19

85 todd units m/L
preschool = 60
school age = 170

Question 20

2 weeks after infection of EBV, the patient develops ____ Ab.

Answer 20

IgM

Question 21

heterophil Ab (monospot) false positives =

Answer 21

Burkett lymphoma
leukemia
GI cancers
SLE - systemic lupus

Question 22

Heterophil Ab normal =

Answer 22

< 1:28 titer

Question 23

Heterophil Ab negative =

Answer 23

30% false negatives

Question 24

Heterophil Ab elevated =

Answer 24

mononucleosis
chronic EBV
chronic fatigue

Question 25

EBV causes

Answer 25

mono

Question 26

EBV infects about ___ of the population

Answer 26

80%

Question 27

EBV resolves in

Answer 27

4-6 weeks

Question 28

Viral capture antigen-Ab

Answer 28

IgG

IgM

Question 29

EBV nuclear antigen (EBNA)

Answer 29

nuclei infected lymphocyte

Question 30

EA-D

Answer 30

spread throughout the cytoplasm

Question 31

EA-R

Answer 31

restricted to one area of the cytoplasm

Question 32

Anti-VCA Ab appears ______,
Anti-EA (D or R) appears ______,
Recovery begins and anti-EBNA Ab appears and persists for ____,
Anti-VCA and anti-EBNA Ab persist at low levels for ____.

Answer 32

first
next
life
life

Question 33

Positive result from EBV testing can indicate

Answer 33

infectious mono
chronic EBV carrier
chronic fatigue syndrome
Burkitt lymphoma
nasopharyngeal cancer