VTNE Study Guide Flashcards
What organ is the primary site of drug metabolism?
Liver
What disease is characterized by impaired carbohydrates, protein, and fat metabolism with insulin deficiency?
Diabetes mellitus
What scissors are used for most soft tissue dissection?
Metzenbaum scissors
Which retractor is made of thin metal that is easily bent and used for retracting abdominal and thoracic organs?
Malleable retractor
When doing an enclosed extraction, a flap with two releasing incisions is called?
Pedicle flap
What parasite has egg packets that contain 20 to 30 individual hexacanth embryos and has the flea as the intermediate host?
Dipylidium caninum or tapeworm
What is the definition of cylindruria?
Increased number of casts in the urine
What is the inability to breathe without the patient being in an upright position?
Orthopnea
What is the humidity range that most captive reptile species respond to?
50-70% with jungle species being higher and desert species being lower
How thick should the lead apron, gloves, and thyroid shield be to ensure good protection from secondary and scatter radiation?
0.5 mm
What is helical scan mode on a CT scanner?
When the xray tube turns 360 degrees around the patient while the patient bed moves through the gantry
When horses are administered a benzodiazepine tranquilizer, they will experience?
- Muscle fasciculations
- Weakness
- Mild ataxia
- Skeletal muscle relaxation
- Anticonvulsant activty
(appetite stimulation is only in cats)
When the patient is in stage IV of anesthesia it will exhibit what symptoms?
- Pupils widely dilated
- Breathing stops
- All reflexes are absent
- The heart stops
When an animal is giving birth vaginally what is the position that the fetus is in when the fetus is breech?
The fetus is in the posterior presentation and the hind legs are retained so that the rump of the fetus is presented first
Which route of administration are you able to administer large volumes of fluids for slow absorption?
SQ
What percent of the body is made up of water?
60%
What are the indications for a blood transfusion?
- Acute hemorrhage
- Chronic anemia
- Hemolytic anemia
Opioids fall into what schedule of controlled drugs?
Schedule III
According to Colorado State University pain scale a pain score of 4 has what signs?
- Constantly groaning or screaming when unattended
- Difficult to distract from pain
- May react aggressively to palpation
What is the purpose of Omeprazole?
antacid
What barbiturate is more lipid soluble?
Thiopental which is a thiobarbiturate
In what phase of wound healing does endothelin protein initially cause vasodilation?
Inflammation
What is the purpose of a Robert Jones bandage?
To stabilize the joint below and above a fracture site while providing some bending and rotational stability
What setting needs to be changed on a dental xray machine?
The time. Most dental xrays have fixed kvp and mA.
What type of malocclusion does mandibular prognathism fall under
Class III Occlusion
What two enzyme tests are performed in the clinic to assess liver function?
AST and ALT
Which variation in rbc cell shape is seen as more darkly stained with reduce or no central pallor?
Spherocyte
After urinary catheterization in a dog or cat, the patient is monitored for adequate urine output. How much urine should a normotensive, normovolemic patient with intact renal function produce in an hour?
1-2 ml/kg/hr
What is the most important aspect of good venipuncture?
Proper restraint and proper distension and immobilization of the vessel
How would you position the unaffected limb for a mediolateral view of the femur?
Flex the unaffected limb, adduct and pull laterally
What contrast media is used exclusively for radiographic examination of the gi tract and can be administered either orally or rectally?
Barium sulfate
What structures are bypassed when using a non-rebreathing circuit as compared to a rebreathing circuit?
Carbon dioxide canister, pressure manometer, and unidirectional valves
What vital center in the body does anesthesia affect?
Central nervous system
What are common causes of distributive shock?
sepsis, anaphylaxis, and neurogenic states
What is the normal blood volume in dogs and cats?
Dogs 8-9% and Cats 6-7%
What type of heart failure is diuretic therapy, particularly Furosemide, used to treat?
Congestive Heart Failure
What is the common absorbent used in toxicity cases?
activated charcoal
Butorphanol is used as an analgesic post-operatively to treat what type of pain?
Visceral pain
What part of the pain pathway involves the sensory impulses being conducted to the spinal cord?
Transmission
When should you never induce vomiting?
Unconscious animals, when easily evaporated liquids like gasoline have been ingested, or in an animal who may have ingested a linear foreign object
What drug is commonly used in emergencies to treat status epilepticus?
Diazepam
Which drains are gravity dependent
passive
What is interdigital hyperplasia in cattle?
A thickening of the interdigital skin that causes a mass to protrude between the claws. AKA an interdigital fibroma or corn
If left undisturbed plaque can form on teeth as quickly as?
24 hours
A caudal crossbite is an example of this type of malocclusion?
Class 1
What type of crystals appear in the urine of an animal that has been poisoned with ethylene glycol?
Calcium oxalate
When performing a manual CBC, marked rouleaux formation is normal in the sample of what animal?
Horses
What is the difference between vomiting and regurgitation?
Vomiting is the forceful expulsion of contents from the stomach and upper intestine, while regurgitation is the passive expulsion of material from the mouth, pharynx, or esophagus
4 Facts about chemotherapeutic drugs
- Have potential to cause defects in developing fetuses 2. Can be given IM, IV, and oral 3. No safe level of occupational exposure has been identified 4. Some IV chemotherapy agents can cause tissue necrosis if given outside the vein
How should you position an animal for a mediolateral view of the femur
In lateral recumbency with the affected leg down
If a film is too light but the anatomical features aren’t visible what should you do?
Increase kVp by 10-15%
How often should artificial tears or other corneal lubricant be instilled in the eyes of an anesthetized patient undergoing a lengthy procedure?
every hour
What is the most common reason for anesthetic emergencies?
Human error
What is the very first thing a CVT should do if they suspect their patient has a chest injury?
Provide the patient with oxygen
A concerned owner calls and says she suspects her cat is constipated. He has been lethargic, vocal, and straining in the litter box. Why should this cat be brought in immediately?
The cat most likely has a urethral obstruction
What can grapes and raisins cause in dogs if ingested in high amounts/
Acute kidney failure
What are common clinical signs of diabetes mellitus and ketoacidosis?
PU/PD; depression or lethargy; and acetone smell to breath
What is the order of the steps of nociception?
Transduction, transmission, modulation, perception
What are side effects of anti-inflammatory drugs?
Liver and renal toxicity, increased bleeding times, and GI ulceration
Which class of abx is known for causing severe diarrhea which can result in death for guinea pigs, ferrets, hamsters, and rabbits if given orally?
Penicillins
Which cyclooxygenase is very important for causing the secretion of stomach-protective mucus, maintaining blood supply to the stomach, and decreasing acid production that is not inhibited by selective NSAIDs like firocoxib
COX-1
Which stage of anesthesia is your surgical patient in if he/she is struggling, vocalizing, and paddling right after receiving its premedication?
Stage 2
What instrument measures pressure within a cuff and that is commonly used with a Doppler monitor?
Sphygomomanometer
What is the correct dental formula for a rabbit?
2 (I 2/1 C 0/0 P 3/2 M 2-3/3)
Tooth resporption, neck lesions, and cervical line lesions are very common in which species?
Feline
What common feline parasite can infect an unborn fetus inside a woman and cause serious birth defects?
Toxoplasma gondii
The next test you would perform to help identify the species of a bacteria which stained as a gram positive cocci would be?
Catalase
You receive a call from a client of yours who is a dairy farmer that reports he has a cow that just went through partruition one hour ago and is now in sternal recumbency and is also having muscle tremors. Is this an emergency and what is the most likely cause?
Yes; Periparturient Hypocalcemia
What vitamin do guinea pigs have to have supplemented in their diet because they do not synthesize it themselves normally?
Vitamin c
Abdominal radiographs should be taken when the patient is at maximum?
Expiration
What is used to provide dynamic real-time imaging of anatomical structures with a continuous beam of xrays?
Fluoroscopy
Which inhalant anesthetic is considered to have the fewest adverse cardiovascular effects and is therefore considered to be the inhalant agent of choice for patients with cardiac disease?
Isoflurane
What is an ultra short acting nonbarbiturate injectable anesthetic which is given IV for induction and short term maintenance of general anesthesia?
Propofol
What type of shock is characterized by a decreased intravascular volume, usually caused by blood loss, third space loss, and/or excessive fluid loss through vomiting/diarrhea/dieresis?
Hypovolemic shock
While checking your anesthetized patient you discover they have been given 3x the amount of fluids they should have what do you do?
Turn off fluid and consult with veterinarian while monitoring the patients respirations constantly
What is the most common reproductive emergency for male dogs and cats and is characterized by an inability to retract their penis?
Paraphimosis
A male cat comes into the clinic with stranguria, pollakiuria, and hematuria while also being restless, very vocal, and constantly grooming his urogenital area. What is the most common disorder?
Urinary obstruction
Detecting by the nervous system of the potential for or the actual occurrence of tissue injury is called
nociception
What class of analgesic medication decreases inflammation by inhibiting prostaglandin synthesis and are commonly used to provide analgesia postoperatively and in patients with less severe or inflammatory pain?
NSAIDS
To reduce intracranial pressure resulting in trauma, what can be administered every 4-8 hours?
Mannitol
GDV is a life threatening emergency. Its main damaging effect is the obstruction of what?
portal vein
What do you measure to place a nasal oxygenation catheter?
Measure from the nose to the medial canthus of the eye
What is an example of a colloid solution?
Hetastarch
Using the triadan system, the proper way of describing the cat’s first lower molar is?
First molar is always 09
Normal scissor occlusion is when the maxillary fourth premolars occlude?
level with the mandibular first molar
What vitamins are water soluble?
B and C
What are cecotrophs?
Nighttime rabbit feces that are covered in mucus to protect them from the acid pH of the stomach and are high in water, nitrogen, electrolytes, and vitamin B. Rabbits will often ingest these.
Dalmations are the only species to excrete what in their urine?
uric acid
Arterial blood is most commonly used for
Blood gas samples
Overinflation of the lungs during artificial ventilation can cause what?
Ruptured alveoli or emphysema
Your anesthetized patient is dyspneic. What do you do?
- Turn down the vaporizer 2. Check the ET tube 3. Check the oxygen flow
What does it mean when a drug has a narrow therapeutic range?
the effective and toxic doses are quite close to each other
A cow is accidentally dosed with an equine dose of xylazine. What should be administered immediately?
Yohimbine
What is the main purpose of the xray developer?
Reduce the silver halide in the film emulsion to metallic silver
If using rare earth screens, what spectrum of light must the film be sensitive to?
Green
What suture material persists in the body the longest?
Polypropylene
What is the difference between an elective and non-elective procedure?
Elective are performed at the veterinarian and owners convenience. Non-elective must be done urgently and are usually on compromised animals
Where in the pain pathway does secondary sensitization or “windup” occur?
Spinal cord
Administering analgesics before tissue injury is known as
preemptive analgesia
In what position should the elevator be used when extracting a tooth using vertical rotation?
Parallel to the root
Healthy gingival flora is made up of what type of bacteria?
Gram positive aerobic bacteria
What can cause leukopenia in critical small animal patients?
- Patients undergoing chemotherapy
- Patients with increased neutrophils and macrophages as well as decreased lymphocytes and eosinophils
- Patients with bone marrow neoplasia, immune-mediated diseases, aplasia, and other degenerative disorders
What part of the patient should be warmed first in trauma cases?
Body core
What type of examination is echocardiography?
Non-invasive
Caval syndrome can cause?
Hemoglobinuria
WHat is the most profound adverse effect of opioids?
Respiratory depression
What effect do mineralocorticoids have on the body?
Water and electrolyte balance in the body and no anti-inflammatory effect
WHere in the body of the primary host is Dirofilaria immitis found?
What is the prepatent period for Taenia pisiformis?
56 days
Which type of orthopedic implant is the most resistant to corrosion?
Titanium
Inadequate surgical preparation can do what?
inhibit surgical technique, increase risk for infection, and prolonged anesthesia
What percentage of cats are diagnosed with myocardial disease?
80%
Coughing is a common size of CHG in what species?
Dogs
What must xrays be labeled with?
Clinic name and location; date; owners name; and patients name
Xray film is sensitive to what?
Heat, light, and pressure
An agent with a higher MAC is more or less potent than an agent with a low MAC?
High MAC is less potent
Even though sevoflurane is perceived to be safer than isoflurane, it causes more of what?
Hypotension
What species are more at risk for adverse effects after administration of NSAIDs?
Cats
Which channel do the -caine local anesthetics use to block nerve transmission?
Sodium channel
What is the inotrope and chronotrope of Cardiac Glycosides?
Positive inotrope and negative chronotrope
Which 3 drugs are included in triple antibiotic topical ointment?
neomycin, polymyxin b, and bacitracin a
Describe catgut suture
Natural, absorbable, and multifilament
What is the recommended treatment for a feline with a closed pyometra?
OHE
Describe a normal occlusion in a canine
- Described as a scissor bite
- Mandibular incisors rest on the palatal side of the maxillary incisors
- First mandibular premolar fits midway between the maxillary canine and 1st premolar
What is the most common treatment for feline tooth resorption?
tooth extraction
Regenerative anemia is differentiated from non-regenerative anemia by the abundance of which cell type on the blood smear?
Reticulocytes
Which parasite requires a fecal sedimentation to optimize recovery and examination of their ova?
Trematodes
What is the most common use for distal limb bandages on a horse?
inflammation
What is the usual method for diagnosing displaced abomasum in cattle?
percussion
While ultrasounding a fluid filled bladder, the tissue on the far side of the bladder is hyperechoic. WHat is this an example of?
acoustic enhancement
Which settings are recommended for thoracic radiographics?
High kVp, Low mAs
What is the benefit of balance anesthesia?
- Maximizes the benefits of each drug
- Minimizes the adverse effects of each drug
- Minimizes the volume of drugs used
A common anesthetic problem encountered by brachycephalic dogs?
High tendency toward airway obstruction
Describe hypovolemic shock?
a decrease in intravascular volume resulting in decreased venous return and ventricular filling
Describe the trauma triad of death
acidosis, hypothermia, and coagulopathy
Neuroleptanalgesia is a state of potent sedation achieved by combining which two drug categories?
opioids and tranquilizers
When are analgesics contraindicated for pain?
always
What arrythmia is described as a rapid disorganized contractions of the ventricles resulting in the inability of the heart to pump blood?
ventricle fibrillation
What is a radiographic contrast study evaluating the urinary bladder?
cystography
What drug is a centrally acting antitussive that is available by injection and oral forms?
butorphanol
Although commonly used for pruritis this drug category can also be used as an antiemetic because they work by blocking input from the vestibular system to the chemoreceptor trigger zone?
antihistamines
A patient begins to regurgitate while waking up from a surgery. WHat do you do?
Tell the vet, ensure the cuff of the ET tube is properly inflated, and tip the head down
If buccal mm cannot be evaluated, what other areas of the body can be used to examine CRT?
genitals and conjunctiva of the eye
AN animal is HBC. WHile another cvt is gathering history what is the first thing you assess?
Determine if an airway is present
What protozoan is the reason pregnant women need to use caution while cleaning the litter box?
toxoplasmosis
Are fleas species specific?
Yes but can carry other species
A pt with CHF is presented for dehydration. What fluids do you get?
NaCl
During induction of a 15 kg canine using a mask, what should the oxygen flow rate be set at?
3-5 L/min
What stage/plane is your patient in if the HR and RR are elevated, the pupils are dilated, and the patient seems to be fighting the anesthesia?
Stage 2
A non-rebreathing system uses (high or low) oxygen flow rate? This (increases or decreases) cost because of the amount of oxygen and anesthetic used?
High and increases
Although IM injections are most commonly used, Ketamine can also be given in what route to fractious cats?
orally
Providing analgesia before tissue injury is called?
preemptive analgesia
Pain that is unidentifiable or of an unknown cause is
idiopathic
What is the gestation period of a bovine?
283 days
When are kittens typically weaned?
7-9 weeks
When measuring central venous pressure, the tip of the central venous catheter must rest where?
vena cava
How are rapid acting anesthetics better controlled?
continuous administration
What is it called when you surgically make a cut into the chest wall?
Thoracotomy
Which drug commonly causes post-operative hyperthermia?
Ketamine
What instrument is used for supragingival scaling only?
Scaler
Brachygnathism results in what?
Severe overbite
A rise in BUN and CREAT indicates?
Renal disease
What are irrelevant lab findings that are usually a result of the procedure itself?
artifact
What is muscle atrophy
decreased muscle mass
What is an isotonic solution?
a fluid with the same osmotic pressure as blood
What is an artifact?
an insignificant mark on a radiograph
WHat is the purpose of a dosimeter badge?
To monitor exposure to radiation
What is the most common route of administration for insulin in diabetic patients?
SQ
What is the purpose of atipamezole?
anesthetic reversal
How is parvovirus spread?
Through infected feces
If a patient is experiencing acute sinus bradycardia what should be considered first?
Drug intoxication
Opisthotonus is most commonly seen in what kind of trauma?
Bunt trauma to head
What is the cause of cardogenic pulmonary edema?
Heart dysfunction
What is hyperalgesia?
Increased sensitivity to pain
What is the first phase of nociception?
Transduction
What is a narrow spectrum penicillin?
Penicillin G
What is the function of an antiemetic?
To stop vomiting
In what order do you drape a patient?
Quarter drapes, towel clamps, surgical drape
What type of suture is not absorbable?
silk
How many layers are there to the dental film packet?
4
What is the duration of a dental block if lidocaine is used?
1.5- 2 hours
What anticoagulant is in a blue top tube?
Citrate
What is an oxidase test?
A test to identify bacteria containing the respiratory enzyme cytochrome oxidase
The ribs should be what in an appropriate weight animal?
Felt but not seen
What are examples of a fearful animal?
Head low, painting, lips pulled back, urination, defecation, release of anal glands
What is focal film distance?
The distance between the target in the xray tube and the surface of the xray detector
What does radiographic density refer to?
The degree of blackness in the film
Is nystagmus relevant as a monitoring tool?
no
The term atelectasis refers to what?
Collapsed alveoli
A slow capillary refill time is suggestive of what?
Poor perfusion
Which drug is used to increase contractility of the heart?
Dopamine
What type of insulin would you use as an emergency dose?
Regular
Lateral strabismus may be observed after what ocular emergency?
Proptosis
Pain control in the surgical patient should be available during which stages of the hospitalization of a patient
All stages
What class of drug is morphine?
opioid
What are some examples of NSAIDs?
Meloxicam, caprofen, deracoxib
Which drug can be used to induce vomiting?
Histamine
What are examples of elective surgery?
spay, castration, declaw
What is the medical term for abdominal incision?
celiotomy
Which animal’s teeth are considered to be hyspodont?
Horses
What are examples of malocclusion?
brachygnathism, prognathism, mesioclusion
Which tapeworm lays egg packets that look like grains of rice in fecal material?
Dipylidium caninum
What is a soft tick?
Otobius megnini or spinose ear tick
What are the five freedoms of animal welfare?
FREEDOM FROM HUNGER AND THIRST.
FREEDOM FROM DISCOMFORT.
FREEDOM FROM PAIN, INJURY OR DISEASE.
FREEDOM TO EXPRESS NORMAL BEHAVIOR.
FREEDOM FROM FEAR AND DISTRESS.
What are common signs of small bowel diarrhea?
melena, weight loss, increased volume of feces
What does DICOM stand for?
Digital imaging and communications in medicine
What does mAs stand for?
Milliamperage per second
What is the main reason for Guaifenesin in an induction protocol in horses?
muscle relaxation
What protocol would result in the fastest induction time and the best control over anesthetic depth?
IV induction with an ultra-short acting agent and maintenance with an inhalant
While monitoring a patient on an anesthetic machine, you realize that the oxygen tank has become empty. The best thing would be to:
Disconnect the patient from the circuit, put on a new oxygen tank, and then reconnect the patient to the circuit
Brain damage may occur when there is inadequate oxygenation of the tissues for the longer than?
4 minutes
A dog that has liver dysfunction may be hypoproteinemic and therefore requires ____________ for induction compared with that needed for a normal dog?
less barbiturate
Tachyarrythmias in the cat are best treated with
propanolol
What NSAID is known to increase bleeding times?
Ketoprofen
What is an anesthetic plan that includes multimodal analgesic therapy?
dexmedetomidine, morphine, ketamine
The __________ starts at the SA node and ends at the AV node
P wave
The _________ represents atrial depolarization
P wave
In monitoring anesthesia, Doppler blood pressure monitors are relatively inexpensive and provide what readings?
Systolic blood pressure
Pulse oximetry measures
hemoglobin saturation and heart rate
What is a small protein produced by the liver and acts as a sponge to hold water in the blood vessels?
Albumin
A low ________ can be seen with liver disease and an increase _________ is seen with kidney disease.
BUN/BUN
All drugs absorbed by the intestines pass through the ________ before entering the systemic circulation
liver
An injectable drug in lipophilic form that is slowly absorbed giving sustained effective drug concentrations is called
repository
A rule of thumb for treat or snack allowance is what percent of the daily energy intake?
10%
What is the primary energy source in livestock rations?
Carbohydrates
What is an agent of preventing infection by inhibiting the growth of infectious agents when applied to living tissues?
antiseptic
Celiotomy is a surgical incision into the
abdominal cavity
What scalers are used for supragingival removal of calculus? THey should not be inserted below the gumline.
Hand
To perform the _________ block, retract the lip dorsally and palpate just dorsal to the distal root of the maxillary third premolar
rostral maxillary
What is dystocia?
when a bitch experiences prolonged gestation and can be characterized as active straining for more than 60 minutes without delivery of the fetus
What is paraphomosis?
the inability to retract the penis within the prepuce
What type of history do you get if dystocia is suspected?
normal history and obstetric
What breeds of dogs are dystocias often seen in?
Large heads and wide shoulders
What does it mean when a drug reduces the seizure threshold?
The drug will increase the frequency of the seizure that an animal will have
What do NSAIDS stand for?
Non-steroidal anti-inflammatory drugs
What does the vaporizer on an anesthetic machine do?
Convert a liquid anesthetic such as isoflurane or sevoflurane to a gaseous state and to add controlled amounts of this vaporized anesthetic to the carrier gases
What are the three drugs in a triple dip?
ketamine, xylazine, guaifenesin
What are the four regional dental blocks for dental procedures?
Rostral maxillary
caudal maxillary
rostral mandibular
caudal mandibular
What view is the parallel technique used for in dental radiology?
Caudal mandibular
What do increased numbers in neutrophils indicate?
INfection or inflammation
A coon hound that hunts rabbits and ducks has strange white pieces in his feces and is losing weight. What is the most likely parasite?
Taenia pisiformis
A dachshund leaps off the couch and now is acting paralyzed but still has deep pain response in her hind end. What is the most likely cause?
Intervertebral disc disease
What is the most common stifle injury in a dog?
Cruciate ligament rupture
What are the borders for a lateral thoracic view of a dog?
The thoracic inlet to the first lumbar vertebrae
What are the borders of the ventrodorsal abdominal view in a cat?
T9 vertebrae cranially to the greater trochanter caudally to include the coxofemoral joints
What is the normal respiratory rate of a dog and cat under anesthesia?
8-20 bpm
What is the ideal reflex to test for anesthetic depth if the face is unavailable to use?
pedal reflex
What are the 3 forms of heart failure?
- Forward or low output fialure
- Congestive failure
- Combo of lower output and congestive
What are the four different forms of shock?
- hypovolemic
- cardiogenic
- obstructive
- distributive
What is the definition of thrombopathia and what patients is it seen in?
A function defect noted in patients with a history of bleeding
What does the cardiovascular emergency FATE stand for?
Feline Aortic Thromboembolism
What is nociception?
The perception of pain
What are the phases of nociception?
Transmission, transduction, modulation
What class of drug is xylazine?
Alpha 2
4.5% solution is how many mgs/ml?
45
What is the dental formula of an adult dog?
2 (3/3I, 1/1C, 4/4PM, 2/3M)
What is the triden number for the right mandibular canine tooth on an adult cat?
404
What piece of equipment is appropriate to examine eyes with?
Opthalmascope
The abbreviation ID indicates which route of administration?
Intra-dermal
What radiographic quality does KvP control?
Contrast
If the bones on your film appear as grey, what corrective steps should be taken?
Increase KVP
What is included in the triad of anesthesia?
Analgeisa, unconsciousness, muscle relaxation
What monitoring device measures end title CO2
Capnometer
What are steps of a triage process?
Recognize
Assess
Act
Reasess
What is the common treatment for an elevated temperature?
Administer fluids
What is the main goal of shock therapy?
Improve oxygen delivery