Kelly Kinsinger
Quiz von , erstellt am more than 1 year ago

Veterinary Medicine Quiz am Pharmacology Vet 202 Chapter Nine Study Guide, erstellt von Kelly Kinsinger am 30/10/2018.

37
0
0
Kelly Kinsinger
Erstellt von Kelly Kinsinger vor mehr als 5 Jahre
Schließen

Pharmacology Vet 202 Chapter Nine Study Guide

Frage 1 von 25

1

The drug of choice for managing seizures long term is an oral barbiturate that has the benefit of being relatively inexpensive while having an extensive half-life. What is this drug?

Wähle eine der folgenden:

  • Diazepam

  • Phenobarbital

  • Xylazine

  • Potassium bromide

  • Pentobarbital

Erklärung

Frage 2 von 25

1

Over time, barbiturate use results in upregulation of the enzymes responsible for the drug’s breakdown. This phenomenon is known as enzyme __________________.

Wähle eine der folgenden:

  • tolerance

  • anabolism

  • induction

  • inactivation

  • modulation

Erklärung

Frage 3 von 25

1

Diazepam is a benzodiazepine tranquilizer that, in contrast to phenobarbital which is used as a long-term anti-seizure medication, is instead used as an emergency IV drug for use during an active convulsion. All of the following are characteristics of diazepam except one. Which choice is incorrect?

Wähle eine der folgenden:

  • The mode of action is stimulation of GABA

  • Oral dosing is severely limited by an extensive first-pass effect

  • Tends to cause withdrawal signs after abruptly ceasing use

  • Good choice for a dog with a history of aggression that is controlled with obedience training

Erklärung

Frage 4 von 25

1

Which of the following is a property of potassium bromide?

Wähle eine der folgenden:

  • Half-life exceeds 3 weeks

  • Drug of choice for cats with seizures

  • Often used as the sole therapy for seizures

  • Antagonizes the effect of phenobarbital if given concurrently

Erklärung

Frage 5 von 25

1

There are several mechanisms of action for behavior-modifying drugs used in veterinary medicine. Which of the following is not considered one of these mechanisms?

Wähle eine der folgenden:

  • Modifying neurotransmitter release

  • Imitating a neurotransmitter in an agonistic or antagonistic manner

  • Modifying neurotransmitter duration by altering chemical breakdown capability

  • Stimulate euphoria by binding to the µ opioid receptor

Erklärung

Frage 6 von 25

1

Which neurotransmitter does acepromazine antagonize to decrease anxiety in both humans and veterinary patients?

Wähle eine der folgenden:

  • Seratonin

  • Dopamine

  • Glycine

  • GABA

Erklärung

Frage 7 von 25

1

Which of the following classes of antidepressant medications function by modifying the activity of enzymes that are responsible for the biotransformation of neurotransmitters?

Wähle eine der folgenden:

  • Tricyclic antidepressants (TCAs)

  • Monoamine oxidase inhibitors (MAOIs)

  • Selective Serotonin Reuptake Inhibitors (SSRIs)

  • All of the above

Erklärung

Frage 8 von 25

1

What is the general role of the neurotransmitter serotonin?

Wähle eine der folgenden:

  • Mood determinant

  • Starting material for catecholamine production

  • Central nervous system inhibition

  • Increase parasympathetic nervous system tone

Erklärung

Frage 9 von 25

1

What is primidone’s primary mechanism of activity?

Wähle eine der folgenden:

  • Directly increases activity of the inhibitory neurotransmitter glycine

  • Directly decreases the activity of the excitatory neurotransmitter norepinephrine

  • Is metabolized to phenobarbital, so functions to stimulate GABA

  • Agonism of 2-adrenergic receptors

Erklärung

Frage 10 von 25

1

An uncommonly used unit of measurement that is often used in conjunction with barbiturates is the grain. What is the size in milligrams of a 2-grain phenobarbital tablet?

Wähle eine der folgenden:

  • 2 mg

  • 20 mg

  • 120 mg

  • 200 mg

Erklärung

Frage 11 von 25

1

Seizures generally originate from the brain but seizure activity can also arise from other causes. Veterinary technicians should always consider these other sources except:

Wähle eine der folgenden:

  • hypoxia.

  • hypoglycemia.

  • hypocalcemia.

  • hypothermia.

Erklärung

Frage 12 von 25

1

________________ is the term used to describe seizure activity that is prolonged and can result in positive feedback where muscle activity increases temperature and increase seizure activity.

Wähle eine der folgenden:

  • Idiopathic

  • Status epilepticus

  • Prodromal phase

  • Postictal phase

Erklärung

Frage 13 von 25

1

Phenobarbital used to control seizures has a well-established therapeutic range for dogs but dosages vary widely based upon:

Wähle eine der folgenden:

  • weight of the animal.

  • how the individual metabolizes the drug.

  • frequency of seizures.

  • animals age.

Erklärung

Frage 14 von 25

1

Side effects of using phenobarbital to control seizure activity in dogs include

Wähle eine der folgenden:

  • ataxia.

  • polyuria.

  • polyphagia.

  • All of the above

Erklärung

Frage 15 von 25

1

Phenobarbital induced hepatotoxicity:

Wähle eine der folgenden:

  • is idiosyncratic in dogs.

  • happens more often in cats.

  • is a common occurrence.

  • causes kidney failure.

Erklärung

Frage 16 von 25

1

On an animal that is not responding particularly well to phenobarbital or the phenobarbital/bromide combination for long-term seizure control, all of the following drugs might be tried except:

Wähle eine der folgenden:

  • Clomicalm.

  • levetricetam.

  • gabapentin.

  • zonisamide.

Erklärung

Frage 17 von 25

1

Drugs that “lyse” anxiety or decrease fear responses are called:

Wähle eine der folgenden:

  • antipsychotic drugs.

  • anxiolytic drugs.

  • antidepressant drugs.

  • major tranquilizers.

Erklärung

Frage 18 von 25

1

Three classes of antidepressant drugs used in human beings have also found use in veterinary medicine include all except:

Wähle eine der folgenden:

  • monoamine oxidase inhibitors (MAOI)

  • tricyclic antidepressants (TCA’s)

  • selective serotonin reuptake inhibitors (SSRI’s)

  • gamma () aminobutyric acid (GABA)

Erklärung

Frage 19 von 25

1

Clomipramine’s FDA–approved indication is for treatment of obsessive-compulsive disorders in dogs. A more common use of clomipramine in veterinary medicine is for:

Wähle eine der folgenden:

  • treatment of separation anxiety.

  • treatment of depression.

  • treatment of seizures.

  • treatment of epilepsy.

Erklärung

Frage 20 von 25

1

Plasma phenobarbital concentrations achieved with any given dose vary considerably from patient to patient. Therefore, the only way to ensure a dosage regimen is adequate is to

Wähle eine der folgenden:

  • monitor the animal’s behavior.

  • check blood levels of phenobarbital.

  • check frequent blood chemistry panels.

  • monitor the animal’s urine output.

Erklärung

Frage 21 von 25

1

When considering neurotransmitter-modifying drugs for behavior therapy, which of the following is true?

Wähle eine der folgenden:

  • Use of these drugs provides an immediate response

  • Once an effective dose is determined, no further adjustments are needed

  • Every animal responds differently to these drugs

  • Allows for optimal behavior modification without requiring training

Erklärung

Frage 22 von 25

1

Potassium bromide is used as an adjunct drug for treating seizures when standard doses of barbiturates prove ineffective alone. Considering the long 3-week half-life of potassium bromide, how would you determine the length of time it takes to reach a steady state when using this drug daily?

Wähle eine der folgenden:

  • 10.5 days

  • 21 days

  • 21 weeks

  • 105 days

  • 201 Days

Erklärung

Frage 23 von 25

1

Which of the following is not a side effect of barbiturate use?

Wähle eine der folgenden:

  • Polyphagia

  • Polydactyly

  • Polydipsia

  • Polyuria

Erklärung

Frage 24 von 25

1

What is the portion of the brain that controls animal emotion and is thus targeted for alteration by behavior-modifying drugs?

Wähle eine der folgenden:

  • Cerebrum

  • Cerebellum

  • Limbic region

  • Pituitary gland

  • Pineal gland

Erklärung

Frage 25 von 25

1

In addition to treating behavioral problems, selegiline is also used to treat this condition in dogs.

Wähle eine der folgenden:

  • Cushing’s disease

  • Parkinson’s disease

  • Pituitary dwarfism

  • Hypoadrenocorticism

Erklärung