Vet Tech Lab Quiz 4

Name 1 indication for using the marginal ear vein for blood collection

If you need a small amount of blood for diagnostic testing for blood glucose readings for for parasitic organism evaluation; it isn’t invasive

Identify 3 specific challenges when drawing an arterial blood sample

1. Uncomfortable for the pet

2. Longer digital pressure for hemostasis

3. Puncture vessel walls

Identify one way to prevent hemolysis of blood during collection

Not aspirating with too much force or releasing tourniquet BEFORE removing needle

Identify one way to prevent hemolysis of blood after collection

Utilizing a vacutainer, improper centrifugation, delaying separation of serum or plasma from cells

Most important aspects of venipuncture techniques

1. Proper restraint of the animal

2. Proper distention and immobilization of the vessel

How do you prevent contaminating a blood sample with thromboplastin?

What blood collection equipment would you choose if the lab needs a serum sample?

A red top tube

Decubitus ulcer (bed sores)

Develop over bony prominences as the result of skin compression on hard surfaces during long periods of time that can causes sepsis

Name one anatomic location prone to pressure necrosis and decubitus ulcer formation

Hips, heels, elbows, back of the head

Treatments for decubitus ulcers

1. Prevention is the best

2. Bedding type

3. Frequently rotating to relieve areas of pressure

4. Propping up animal

5. Bathing

Medical term for mite or tick infestation is

Acariasis

What is a dermatophyte?

Opportunistic fungal infections

Name one mite of cats that is contagious (genus and species)

Otodectes cynotis (ear mites)

What causes a false-negative result using a Wood’s lamp?

Trichophyton does not fluoresce can be a false negative

Demodex canis, Demodex cati

“red mange”, most common in young dogs, not contagious

Demodex gatoi

Found in cats, contagious

Sarcoptes scabiei (dog), Notoedres cati (cat)

“scabies”, burrows into skin, contagious and zoonotic

Pinna pedal reflex

Test done for scabies where you rub the pinna and the animal starts to try scratching

Cheyletiella

“walking dandruff”, name is species dependent, lives superficial on skin, more common in rabbits

Ringworm types

Microsporum canis, Microsporum gypseum, Trichyphyton spp.

True or false: Microsporum ringworm are the only ones that fluoresce

True

True or false: ringworm is contagious and zoonotic

True

Parts of colon

Ascending, transverse, and descending colon

Cecum

Ileum to beginning of colon

Rectum

Last part of descending colon from pelvis to exterior

Anus

Sphincter stimulated to open when pressure is felt in rectum

Tenesmus

Straining

Clinical observations of constipation

Tenesmus, painful abdomen, not eating

Dyschexia

Difficulty pooping

Hematochezia

Blood in stool

Frank blood

Bright red blood signifying that lesion occurred in colon/ caudal in GIT

Melana

Dark blood signifying lesion occurred more cranially in GIT

Contraindications for enema

Recent colon surgery, bowel perforation