Diagnosis

Question 1

Acne

Answer 1

PE

Question 2

Boils

Answer 2

PE
Culture

Question 3

Impetigo

Answer 3

PE
Culture
Gram staining

Question 4

Tinea

Answer 4

PE
KOH with microscopy
Skin culture

Question 5

Conjunctivitis

Answer 5

PE
Culture and sensitivity

Question 6

Otitis externa

Answer 6

PE
otoscopy
microbial or culture and sensitivity

Question 7

Otitis media

Answer 7

PE
otoscopy
culture and sensitivity
radiographic studies or computed tomography
tympanometry
audiometry

Question 8

Streptococcal pharyngitis

Answer 8

PE
Throat culture

Question 9

Pneumonia

Answer 9

PE
WBC differential
Chest xray
sputum exam
PFT

Question 10

H5N1

Answer 10

PE
Throat culture

Question 11

Diphtheria

Answer 11

Elek’s test – gold standard (in vitro on virulence)

Question 12

Pertussis

Answer 12

not stated sa ppt hehe

Question 13

Infectious mononucleosis

Answer 13

• PE
• WBC differential
• Heterophile agglutination test

Question 14

AIDS

Answer 14

• NAT (10-33 days)
• Antigen/antibody lab test (18-45 days)
• Rapid antigen/antibody test (18-90 days)
• Antibody test (23-90 days)

after dx
- cd4 tcell count
- viral load/HIV RNA
- medicine resistance

Question 15

Common colds

Answer 15

Clinical sx

Question 16

Parotitis

Answer 16

Bacterial
- buccal swab
- RT qPCR

Viral
- buccal swab
- nasopharyngeal swab

Question 17

dental caries

Answer 17

dental checkup
dental xray

Question 18

shigellosis

Answer 18

stool exam
stool culture
rectal swab

Question 19

gastroenteritis

Answer 19

fecalysis
blood culture

Question 20

typhoid fever

Answer 20

widals
blood culture
stool culture
typhidot

Question 21

IgM (+) , IgG(+)

Answer 21

Recent infection

typhidot

Question 22

IgM (+), IgG(-)

Answer 22

Acute infection

typhidot

Question 23

Cholera

Answer 23

• microscopic exam: darkfield, phase contrast
• pasteur dipstick test

Question 24

PUD

Answer 24

• EGD
• Barium swallow
• Urea breath test

Question 25

Salmonella

Answer 25

- bioch tests - stool culture

Question 26

UTI

Answer 26

- GSCS (gold standard) - CBC - Urinalysis - IV Pyelogram - KUB ultrasound

Question 27

Leptospirosis

Answer 27

- PCR - Serology a. Microscopic agglutination (gold standard) b. ELISA - dark field microscopy

Question 28

herpes

Answer 28

- Immunofluorescent - Tzanck smear - PCR, viral culture

Question 29

g warts

Answer 29

- papanicolaou smear - dna test

Question 30

syphilis

Answer 30

- serology a. VDRL and Rapid plasma reagin b. fluorescent treponemal antibody absorption - darkfield microscopy

Question 31

candidiasis

Answer 31

Swab and culture Physical exam Microscopy with KOH

Question 32

Gonorrhea

Answer 32

modified thayer martin culture NAAT

Question 33

Chlamydia

Answer 33

NAAT

Question 34

Viral encephalitis

Answer 34

CSF profile MRI EEG PCR Viral culture Serologic studies

Question 35

Japanese encephalitis

Answer 35

CSF profile through lumbar puncture blood culture ct scan

Question 36

Rabies

Answer 36

Histopathology by brain biopsy Pathognomonic sign: Negri bodies/ dark pigments that reproduce within the neuron Conducted on a person who died of suspected rabies Conducted on animals suspected of rabies Serology (antibody test) Identification of immunoglobulin elevation since it increases when signs and symptoms appear Pet observation To confine and observe an animal that bite within 10 days. Brain biopsy is conducted when the animal dies

Question 37

Botulism

Answer 37

Specimen Contaminated food Blood serum Feces for infant botulism Cultural/growth characteristics > blood-enriched anaerobic media (+) Lipase production (+) Hydrolyze gelatin (+) Ferment glucose (+) Digest milk proteins Other tests Detect toxin activity Mouse bioassay (food, stool, patient’s serum) Radioimmunoassay (detect toxin)

Question 38

Tetanus

Answer 38

none

Question 39

Scabies

Answer 39

Physical exam sterilized needle microscope

Question 41

Pediculosis

Answer 41

- physical ax for gray nits