Laboratory Procedures Flashcards
Which endoparasite may NOT be routinely detected on a fecal flotation?
- Toxocara canis
- Isospora felis
– Ancylostoma caninum
- Dipylidium caninum
Macrocytic anemia suggests?
- Regeneration
- Lack of hemoglobin
- Iron deficiency
– Bone marrow pathology
The parasite distinguished by white operculated eggs cemented to the hair shaft of its host is
- Louse
- Tick
- Flea
- Mite
Louse
The TSH response test is used to confirm what disease?
- hypothyroidism
- male infertility
- ovarian cysts
- pancreatic insufficiency
hypothyroidism
Where are granular casts found in urine sediment formed?
- renal tubules
- ureters
- bladder
- urethra
renal tubules
A route of infection by hookworms that is not shared by roundworms is
- Transplacental
- Ingestion of infective stage
- Skin penetration
- Transmammary
Skin penetration
The blood chemistry test ALT is specific for what body organ?
- heart
- gonads
- liver
- kidneys
liver
A reticulocyte count should be included in the CBC in which of the following instances?
- an 8 year old dog with a platelet count of 30,000/uL
- a 3 year old dog with a total WBC count of 32,000/uL
- a 9 year old horse with a total WBC of 2,000/uL
- a 13 year old cat with a PCV of 19%
a 13 year old cat with a PCV of 19%
Uric acid is the main nitrogenous waste in
- Birds
- Dogs
- Horses
- Cattle
Birds
Fibrinogen is produced in the
- Liver
- Pancreas
- Spleen
- Bone marrow
Liver
What is a useful liver test not found on most in-house panels?
- Alanine aminotransferase
- Creatine phosphokinase
- Bilirubin
- Bile acids
Bile acids
What microorganism is an etiologic agent of ringworm?
- Mycobacterium sp.
- Micrococcus sp.
- Microsporum sp.
- Moraxella sp.
Microsporum sp.
What fly is responsible for the greatest economic loses in US cattle?
- Horn fly
- Face fly
- Stable fly
- Screw worm fly
Horn fly
Which disease is caused by a Gram positive bacteria?
– salmonellosis
- tetanus
– brucellosis
- kennel cough
What term describes the area around a sensitivity disc on an agar plate that has no growth?
- zone of inhibition
- zone of resistance
- zone of growth
- zona fascilulata
zone of inhibition
Which of these is a NON burrowing mange mite
- Notoedres cati
- Sarcoptes scabiei
- Psoroptes cuniculi
– Demodex
The species of the genus can cause strangles in horses
- Malassezia
- Streptococcus
- Clostridium
- Pseudomonas
Streptococcus
Which of the following WBC counts would represent leukopenia in the dog?
- 30,000
- 10,000
- 5,000
- 20,000
5,000
Calcium oxalate crystals
- Are seen with ethylene glycol toxicity
- Are seen with hepatic disease
- Have three to six sides
- Have a characteristic coffin-lid appearance
Are seen with ethylene glycol toxicity
With significant dehydration, you would expect which of the following in the urine and in the blood?
- Decreased USG and PCV
- Elevated USG and decreased PCV
- Decreased USG and increased PCV
- Elevated USG and PCV
Elevated USG and PCV
What happens in a urine sample that is left unrefrigerated for more than 30 minutes?
- casts will degenerate
– specific gravity changes
- bacteria degenerate
- RBC’s multiply
Which cell types are found in the highest percentage on a normal bovine differential,?
- lymphocyte
- monocyte
- neutrophil
- eosinophil
lymphocyte
Which of the following parasites is best seen with a direct smear?
- Dirofilaria
- Habronema
- Trichuris
- Giardia
Giardia
What color do Gram positive organisms stain?
- blue
- red
- green
- yellow
blue
What tick is the vector of Lyme disease?
- Argas
- Otobius
- Ixodes
- Rhipicephalus
ixodes
How should a DTM vial be cultured?
- in the dark, at 35º C, with the cap loosely secured
- in the dark, at room temperature, with the cap tightly fastened
- in bright light, at 35º C, with the cap tightly secured.
- in the dark, at room temperature, with the cap loosely secured
in the dark, at room temperature, with the cap loosely secured
Which of these immunoglobulins is found on mucous membranes and is stimulated by intranasal vaccines?
- IgG
- IgA
- IgM
- IgE
IgA
An adjusted total leukocyte count needs to be made in the presence of:
- target cells.
- nucleated red blood cells.
- immature red blood cells.
- irregular white blood cells.
nucleated red blood cells.
What arthropod serves as the biological vector of Dirofilaria immitis?
- black fleas
- horse flies
- fleas
- mosquitos
mosquitos
Which of the following parasites is NOT of public health significance?
- Toxocara canis
- Toxoplasma gondii
- Strongylus vulgaris
- Trichinella spiralis
Strongylus vulgaris
Paired serum samples, drawn several weeks apart, are essential in diagnostic serology to:
- establish the presence of a current, active infection.
- reassure the owner of the patient that everything possible is being done.
- provide a check on the serological procedure.
- differentiate viral and bacterial diseases.
establish the presence of a current, active infection.
Common blood collection sites for avians includes which of the following
- Jugular and cutaneous ulnar veins
- Retro-orbital and toe nail clip
- Tail and cephalic veins
- Saphenous and cephalic veins
Jugular and cutaneous ulnar veins
Compared to roundworm ova, coccidian appear
- Three times as big
- Much smaller
- Same size
- Twice as big
Much smaller
What is the most common method used for the detection of Feline Leukemia Virus?
- complement fixation test
- ELISA test
- hemagglutination test
- Sabin-Feldman test
ELISA test
The term anisocytosis refers to cells that:
- are enlarged
- vary in shape
- are unequal in size
- have the appearance of a sickle
are unequal in size
Which microorganism is often associated with chronic otitis in the dog
- Cryptococcus sp.
- Candida sp.
- Microsporum sp.
- Malassezia sp.
Malassezia sp.
Which of the following solutions is used for preservation of tissue specimens?
- 50% Dextrose
- formalin
- 3% HCl
- normal saline
formalin
In what stage of the estrous cycle does vaginal cytology show the highest percentage of anuclear cells?
- metestrus
- anestrus
- proestrus
- estrus
Decrease in albumin may occur in
- Carnivorous diet
- Chronic liver disease
- Gastroenteritis
- Vegetarian diet
Culture plates for bacteriology should be incubated in what position?
- right side up, separated
- upside down
- right side up, stacked
- stacked on their sides
What anticoagulant is used for APTT and PT tests?
- heparin
- EDTA
- sodium citrate
- none
Which statement regarding Demodex is FALSE?
- It is cigar shaped
- Live mites and or eggs may be found in a skin scraping
- It resides in the hair follicles and sebaceous glands of certain mammals
- It is highly contagious
EDTA plasma cannot be used for testing _________ because it forms a complex with it.
- Magnesium
- Calcium
- Phosphorus
- Potassium
The non-pathogenic gram-positive rods found on skin are
- Anaerobes
- Dermatophytes
- Diptheroids
- Coliforms
What organ is assessed by the fecal trypsin test?
- kidney
- stomach
- pancreas
- liver
What is a left shift in a CBC?
- decreased young white cells
- increased young white cells
- increased total white cell count
- increased red cells
What term describes an increased number of circulating leukocytes?
- leukopenia
- leukocytosis
- polycythemia
- erythropoiesis
