VTNE Questions from powerpoints Flashcards
Neonatal animals are less tolerant of some drugs than older animals because in neonates the drugs are:
Biotransformed more slowly—the neonatal liver is not equipped to deal efficiently with the biotransformation of most drugs until approximately 1 month of age
Pharmacodynamics may be defined as:
The method by which the function of the living body is affected by the drug
The generic name for a drug is also called
The nonproprietary name—generic and nonproprietary names are interchangeable; no one company owns the right to these types of names.
Intradermal injections are used primarily for:
Allergy testing
Most biotransformation occurs in which organ?
Liver
Repository forms of parenteral drugs
Are formulated to prolong absorption
What liquid form of drug is most commonly administered intravenously?
Solution
When a drug is said to have a narrow therapeutic range, it means what?
Its effective and toxic doses are close to each other.
A drug given by which route reaches its peak plasma concentration the fastest?
Intravenously
Cholinergic agents do all of the following except: (slow heart rate, increase blood flow to tintestinal tract, decrease diameter of bronchioles, cause peripheral dilation)
Cause peripheral dilation—cholinergic agents (parasympathetic) have minimal effect on peripheral vessels
Pain receptors are called
Nociceptors
Epinephrine does what?
Increases the heart rate
What drug is contraindicated in the treatment of glaucoma?
Atropine—a mydriatic that is used to examine the eye which results in dilatation of the pupil
Norepinephrine, epinephrine, and dopamine are the primary neurotransmitters for the Parasympathetic nervous system Sympathetic nervous system Central nervous system Peripheral nervous system
Sympathetic nervous system
Atropine is often used as a pre-anesthetic agent. It is classified as an anti-cholinergic drug and will produce what effects:
Increased HR, decreased salivation, decreased GI motility.
T/ F Xylazine is an example of an Alpha 2 agonist.
True
T/F Doxapram is a respiratory stimulant.
True
If using a regular disposable-type, which of the following drugs must not be preloaded and left for a period of time?
Diazepam
The benzodiazepine derivative diazepam is often administered in combination with
Ketamine (i.e., KetVal)
Acepromazine maleate causes
Hypotension
Xylazine provides some analgesia. True or False?
True
A 50-lb dog is to be given a 1 mg/kg dose of diazepam. How many mg’s will he receive?
22.7 mg
A dog was given a sedative which resulted in its HR=50 bpm (n=60-120). Which drug was likely used to sedate this dog?
Dexmedetomidine (DexDomitor)
Acepromazine should be avoided in patients with a history of seizures. True or False?
True
What is not a potential side effect of the phenothiazine antiemetics
Diarrhea
Which of the following drugs does not have an antiemetic action? (Pheothiazines, Metoclopramide, Antihistamines, Apomorphine)
Apomorphine
Butorphanol is an antitussive. True or False?
True
Butorphanol is an agonist/antagonist. True or False?
True
An opioid analgesic often used in transdermal patches to control postsurgical pain is
Fentanyl
The reversal agent used for opioid toxicity is
Naloxone (Narcan)
Loperamide, an opioid, is not a controlled substance. True or False?
True
Thiobarbiturates should be administered with care or not at all to:
Greyhounds—sight hounds have minimal body fat so the drug remains in circulation at high levels
What is absolutely necessary when terminating anesthesia when nitrous oxide was used?
Oxygenate for 5 to 10 minutes
After receiving an analgesic dose of morphine, a cat will likely demonstrate all of the following except:
Elevated respiratory rate
You observe a post-op cat patient with wide-open, unblinking eyes; salivating profusely; and rigid, extended limbs. Which anesthetic was likely used for this cat’s surgery?
Ketaset
What gas anesthesia demands the greatest degree of patient monitoring because of rapid depth changes?
Sevoflurane (SevoFlo)
Cats given ketamine for anesthesia may show what side effects?
Apneustic breathing
Which of the following drugs is the most common active ingredient in euthanasia drugs? (Phenobarbital, Methohexital, Pentobarbital, Thipental)
Pentobarbital
Propofol must not be returned to the refrigerator for future use if the bottle has been opened for more than six hours because:
Bacteria will readily grow in propofol and will produce endotoxins
Loop diuretics such as furosemide
May cause hypokalemia with chronic use
A chronotropic agent affects the
Rate of a contraction
Which type of drugs would you use to treat a cat with an aortic thromboembolism?
Fibrinolytic drugs
The diuretic drug used most commonly in patients with congestive heart failure is
Furosemide
Digoxin is
A negative chronotrope and a positive inotrope
The drug of choice for the treatment of a surgical patient in cardiac arrest is:
Epinephrine
Which drug is used to treat feline hypertension?
Amolodipine (Norvasc). It is a Calcium-Channel Blocker
ACE inhibitors have what effects on the body?
Decreased preload and afterload on the heart