Clin Lab/Clin Med

Question 1

Things Dx via blood smear

Answer 1

• Plasmodium
• Trypanosoma (sleeping sickness, Chagas dz)
• Filariae (Elephantiasis)

Question 2

Things Dx via Stool “ova & parasites”

Answer 2

• Giardia
• Schistosomes eggs
• Tapeworms eggs
• Roundworms eggs

Question 3

Things Dx via urine

Answer 3

• schistosomes eggs
• legionella

Question 4

Things dx via vaginal wet prep

Answer 4

trichomonas

Question 5

Things dx via skin scraping/biopsy

Answer 5

leishmania

Question 6

Things dx via skin snip

Answer 6

Onchocerca

Question 7

Things dx via skin around anus

Answer 7

enterobius

Question 8

Things dx via lymph node biopsy

Answer 8

• Trypanosoma
• toxoplasma

Question 9

Things dx via muscle biopsy

Answer 9

Trichinella

Question 10

Things Dx via CSF

Answer 10

Trypanosoma

Question 11

Things dx via endoscopy

Answer 11

worms

Question 12

Things dx via staining/microscopy

Answer 12

cryptosporidium (oocytes) STOOL

Question 13

Things dx via antigen testing via stool:

Answer 13

• cryptosporidium
• entamoeba histolytica
• giardia
• plasmodium

Question 14

Things dx via antigen testing via urine/vaginal wet

Answer 14

trichomonas

Question 15

Things dx via NAAT/PCR

Answer 15

• giardia
• cryptosporidium
• leishmania
• plasmodium

Question 16

Babesiosis description

Answer 16

• tick borne
• US - Northwest/upper Midwest
• causes lyses of RBCs

Question 17

What does babesiosis look like under microscope?

Answer 17

Maltese cross

Question 18

Dx for Babesiosis

Answer 18

Definitive (peripheral blood smear or PCR)

Supportive (CBC or Serology)

Question 19

Dx for Malaria

Answer 19

• peripheral blood smear
• rapid tests (lateral flow)

Question 20

Chagaz is causes by

Answer 20

Trypanosoma cruzi

Question 21

Acute phase Dx for Chagas Dz

Answer 21

peripheral blood smear or PCR

Question 22

Chronic phase Dx for Chagas Dz

Answer 22

positive tests on at least two different types of serology tests

Question 23

Dx testing for Chagas Dz in pregnant women

Answer 23

serology
- if (+) screening–> PCR & blood smear on cord blood, at 1-3 mo and/or 9 mo

Question 24

Dx testing for toxoplasmosis

Answer 24

Serology (IgM & IgG)

Question 25

Neurocysticerosis Dx

Answer 25

Imaging & serology rarely biopsy needed

Question 26

Giardiasis Dx testing

Answer 26

- stool antigen detection - PCR - Stool microscopy ("ova & parasites")

Question 27

Cryptosporidium Dx testing

Answer 27

- stool staining (3 samples) - PCR

Question 28

Nematode infection dx testing

Answer 28

- stool microscopy - stool antigen testing - PCR - Supportive - heme+ stool

Question 29

Viruses dx via serology

Answer 29

- MMR - Chikungunya - Dengue/yellow fever - Zika - West Nile - Zika - Hantavirus - Parvovirus 19

Question 30

Flu testing

Answer 30

Rapid antigen (swab) & PCR

Question 31

SARS testing

Answer 31

- NAAT/PCR - Antigen (swab) - Serology (>3wks onset)

Question 32

HHV 1/2 testing

Answer 32

- Tzanck smear - Serology - PCR - Culture - Fluorescent Ab stain

Question 33

HHV-4 Epstein-Barr testing

Answer 33

- Heterophile antibody test - CBC or peripheral blood smear

Question 34

HVV-5 CMV testing

Answer 34

- Quant PCR - CMV pp65 antigen

Question 35

Rabies test

Answer 35

RFFIT (Ab does grow/glow)