Lab procedures Flashcards

(39 cards)

1
Q

Which cytology smear technique is recommended for the preparation of highly viscous samples?

A. compression
B. starfish
C. line
D. squash

A

starfish

(compression and squash are the same thing and is used on aspirates from solid masses)
(line method is used on fluid samples with low cellularity)

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2
Q

A 10-year-old female poodle has just finished a 2-week course of antibiotics for a urinary tract infection. Which urine collection method is preferred for follow-up testing in this patient?

A. catherization
B. cystocentesis
C. Bladder expression
D. Free catch

A

cystocentesis

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3
Q

Which method should the veterinary technician employ when discarding expired or unused drugs?

A. dump drugs down the drain
B. send back to the distrubuter
C. Disgard drugs in the sharps container
D. flush the medications down the toilet

A

Send the medications back to the distributer

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4
Q

According to the Hazardous Materials Identification System (HMIS), which level of personal protection equipment requires workers to wear a face shield, gloves, and a protective apron?

A
B
C
D

A

D

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5
Q

Which position of restraint is preferred when performing venipuncture on a cat using the left femoral vein?

A. dorsal
B. left lateral
C. right lateral
D. sternal

A

Left lateral

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6
Q

To determine the specific gravity of urine, the weight of a urine sample is compared to the weight of an equal amount of what other substance?

A

Distilled water

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7
Q

Which immunoglobulin is present in the greatest concentration in the bloodstream?

A. IgD
B. IgM
C. IgG
D. IgA

A

IgG

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8
Q

A 7-year-old male intact iguana presents to the office with a maxillary abscess due to a bite. To perform a bacterial culture for the exudative pyogranulomatous discharge, which collection device is most suitable?

A. fine needle biopsy
B. syringe
C. rayon swab
D. sterile cotton swab

A

Rayon swab

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9
Q

Which chemical acts as a mordant in a Gram stain procedure?

A. iodine
B. crystal violet
C. safranin
D. Alcohol

A

Iodine

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10
Q

In order to successfully float parasitic eggs and other fecal debris, the specific gravity of the flotation solution should be maintained within what range?

A. 1.500 to 1.525
B. 1.200 to 1.250
C. 1.300 to 1.350
D. 1.400 to 1425

A

1.200 to 1.250

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11
Q

What is an example of a violation of laboratory safety procedures?

A

Breaking a beaker containing a toxic substance and cleaning the spill and broken glass before returning to work

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12
Q

Which erythrocyte abnormality is seen in dogs with lead poisoning?

A. Basophilic stippling
B. Nucleated RBCs
C. Howell- Jolly bodies
D. Heinz bodies

A

Basophilic stippling

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13
Q

Which blood components are disintegrated when hemolysis occurs?

A. WBC
B. serum
C. platelets
D. RBCs

A

Red Blood Cells

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14
Q

What is the recommended volume of urine needed to perform a urine sediment test?

A. 5-10 mL
B. 10-15mL
C. 20-25 mL
D. 30-35mL

A

5 to 10 mL

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15
Q

Which parasite is commonly mistaken for Howell-Jolly bodies?

A. Babesia cati
B. Ehrlichia canis
C. Cytauxzoon felis
D. Anaplasma marginale

A

Anaplasma marginale

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16
Q

How long should a typical microhematocrit tube be centrifuged for packed cell volume determination?

A. 20 min
B. 15 min
C. 10 min
D. 5 min

17
Q

Prolonged corticosteroid therapy in dogs is known to cause an increase in serum levels of which enzyme?

A. creatine kinase
B. Alkaline Phosphatase
C. Amylase
D. Lipase

A

Alkaline Phosphatase

18
Q

Which chemical is added to skin and hair samples to dissolve debris when checking for fungal elements or microscopic mites?

A. physiological saline
B. hydrogen peroxide
C. distilled water
D. potassium hydroxide

A

Potassium hydroxide

19
Q

Which anticoagulant is the most effective preservative for use in blood glucose testing?

A. sodium fluoride
B. Heparin
C. EDTA
D. sodium citrate

A

Sodium fluoride

20
Q

Which two methods are preferred when collecting a urine sample for culture?

A. catheterization and cystocentesis
B. bladder expression and free catch
C. free catch and catheterization
D. bladder expression and cystocentesis

A

Catheterization and cystocentesis

21
Q

Which type of parasite is the most commonly detected by cleaning the ear with a cotton swab?

A. Demodex canis
B. Notoedres cati
C. Otodectes cynotis
D. Sarcoptes scabei

A

Otodectes cynotis

22
Q

Which fecal flotation solution is preferred when testing for the presence of Giardia?

A. Zinc sulfate
B. Sheather’s sugar
C. Sodium chloride
D. Sodium nitrate

23
Q

In order to ensure the analyzers used to run blood work are accurate for every species, what should the veterinary technician use to complete validation?

A. distilled water
B. sample from a health dog
C. sample from a healthy cat
D. a control sample for every species

A

A control sample for every species

24
Q

Which solution is used to calibrate a refractometer?

A

Distilled water

25
Horses become infected with equine protozoal myeloencephalitis by ingesting feed and water that is contaminated with sporocysts from which animal? A. raccoon B. opposum C. canine D. snail
Opposum
26
A 5-year-old Irish Setter is brought to the office for evaluation of apparent depression and decreased appetite. Upon examination, the technician notes pale mucus membranes, an enlarge spleen, and icteric appearance of the skin. Basophilic, pear-shaped organisms are found within the red blood cells on a stained blood smear. Which protozoan parasite is likely responsible for the Setter's presentation? A. Isospora B. Hepatozoon C. Babesia D. Eimeria
Babesia
27
Quality control serum samples used in a majority of laboratories are produced in what form? A. sheets B. freeze-dried C. liquid D. tablets
Freeze-dried
28
If a patient experiences diarrhea due to Trichuris vulpis, when should the veterinary technician advise a follow-up fecal examination and deworming? A. 6 months B. 1 week C. 3 months D. 2 weeks
3 months
29
After a urine sample is diluted 1:2 with distilled water, the refractometer shows a reading of 1.030. What is the actual specific gravity of this sample? A. 2.060 B. 1.015 C. 1.060 D. 2.030
1.060
30
After examination of the sample is complete, what action should be taken to ensure that feces contaminated with Echinococcus granulosus is disposed of safely? A. burn the sample in an incinerator B. place the sample in a hazardous waste bag C. disinfect the sample with bleach D. sterilize the sample in an autoclave
Burn the sample in an incinerator
31
In order to ensure accurate test results, a urine sample at room temperature must be tested within how many minutes? A. 60 B. 10 C. 30 D. 5
30
32
While performing a necropsy on a sheep presenting with bottle jaw from Haemonchus contortus, where would the veterinary technician expect to find adult worms? A. Bronchioles B. Trechea C. Perianal region D. abomassum
Abomassum
33
Which bacterial organism is associated with contagious conjunctivitis (pinkeye) in cattle? A. Actinomyces bovis B. Staphylococcus aureus C. Moraxella bovis D. Streptococcus pyogenes
Moraxella bovis (Actinomyces bovis causes lumpy jaw)
34
Which type of media is mainly used to perform antimicrobial sensitivity testing? A. salt mannitol B. MacConkey C. Clood D. Mueller- Hinton
Mueller-Hinton
35
A fecal culture has been ordered for an 8-year-old American Bulldog suffering from colitis. Which media should be selected to perform this test? A. Blood B. Salt mannitol C. Mueller-Hinton D. MacConkey
MacConkey (Mueller-Hinton, used for antimicrobial sensitivity testing)
36
A sterile swab is used to collect a specimen from an infected area of an 8-year-old domestic shorthair cat. Which transport device should be used to submit this samples to the lab for culturing? A. sterile syringe semisolid reducing medium B. screw-cap jar C. blood culture medium D. sterile tube with saline
Sterile syringe semisolid reducing medium
37
In which anatomical location is Dioctophyma renale most commonly found in canines? A. right ureter B. left kidney C. right kidney D. left ureter
Right kidney
38
Which protozoan parasite should the patient be tested for the patient's owner is pregnant? A. Sarcocystis neurona B. Toxoplasma gondii C. Isospora canis D. Giardia lamblia
Toxoplasma gondii
39
What is the ideal objective parasite ova under the microscope? A. 10x B. 40x C. 4x D. 100x
10x