Pharmacology VII

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Which of the following drugs is often administered to treat life-threatening arrhythmias?

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A male patient who is receiving Coumadin therapy presents for an elective extraction. His protrhombin time (PT) is prolonged. Which of the following methods is preferred for reducing the PT to an acceptable level?

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Each of the following drugs has a significant anti-inflammatory property except one. Which one is the exception?

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A patient has a history of significant cardiovascular impairment. The maximum safe dose of epinephrine that can be administered to this patient is:

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Which of the following is the current drug of choice for status-epilepticus?

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Which of the following is an example of an enteral route of administration?

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Propranolol (Inderal) exerts its major antianginal effect by

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Bradycardia is MOST commonly treated with which of the following drugs?

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Which of the following best explains why drugs that are highly ionized tend to be more rapidly excreted than those that are less ionized? The highly ionized are

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Which of the following groups of drugs is CONTRAINDICATED for patients who have glaucoma?

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Low dose aspirin therapy prevents the formation of thromboemboli by preferentially inhibiting which of the following?

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A patient who is receiving an IV diazepam sedation has upper eye-lid ptosis (Verill’s sign). The dentist should

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A dentist is considering the use of nitrous-oxide conscious sedation for a patient. However, this type of sedation will be CONTRAINDICATED, should the patient have a history of which of the following?

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The correct total liter flow of nitrous oxide- oxygen is determined by

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Which of the following sympathomimetic agents is the most potent bronchodilator?

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Succinylcholine blocks neuromuscular transmission by

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Which of the following effects are common to pentobarbital, diazepam, and meperidine?

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The onset of action of a drug is primarily determined by the rate of

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Injection of a local anesthetic into an inflamed area usually has a less than optimal result. Which of the following best explains why?

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The major effect of a drug is produced by the amount of the drug that is

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A 4 yr old child is shy, timid, and fearful. Which of the following will be MOST appropriate for the restorative appointments for this child?

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A primary advantage of intravenous sedation is which of the following?

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Each of the following is true regarding drug biotransformation EXCEPT one. Which one is the EXCEPTION?

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Which of the following drugs causes the LEAST CNS depression and impairment of psychomotor skills?

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A patient who has which of the following conditions is most likely to have postoperative bleeding after multiple extractions?

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Local anesthetics aid in reducing the flow of saliva during operative procedures by

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Which of the following combinations of agents would be necessary to block the cardiovascular effects produced by the injection of a sympathomimetic drug?

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When compared therapeutically to penicillin G, penicillin V has a

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Each of the following is a common side effect of prolonged tetracycline therapy EXCEPT one. Which one is the EXCEPTION?

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To reduce a patient’s salivary flow, a dentist has prescribed atropine. As a result of this medication, the patient might experience which of the following side effects?

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Of the following local anesthetics, which has intrinsic vasoconstrictive actions?

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Which of the following antibiotics is found at much higher concentrations in crevicular fluid than in serum?

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When administered as oral centrally acting analgesics, which of the following is considered to have the highest dependence liability?

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Antibiotics are useful in the treatment of which of the following?

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Auditory nerve deafness is associated with the use of

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The maximal or ceiling effect of a drug is also correctly referred to as the drug’s

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Which of the following agents found in tobacco products cause addiction?

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Allergic reactions to local anesthetics are caused by

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Which drug group is the LEAST likely to cause xerostomia?

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Currently, the BEST oral sedative drugs for dentistry fall into the class of

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Which of the following best describes the drug-receptor activity of naloxone?
In Terms of: Affinity | Intrinsic | Activity

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Which of the following types of chemical bonding is the least likely to be involved in a drug-receptor interaction?

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After a threshold stimulus, the cell membrane becomes permanently altered. The liberation of which of the following transmitter substances causes this alteration?

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Which of the following compounds is used as an antiviral agent?

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With an overdose of a cholinergic drug, one would expect to see each of the following signs EXCEPT one. Which one is the EXCEPTION?

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Cephalosporins are definitely CONTRAINDICATED for penicillinallergic patients who exhibit

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Which of the following is a beta-adrenergic receptor blocking agent used for the treatment of hypertension?

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In which of the following categories are ephedrine, tyramine, and amphetamine classified?

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Thiazides, which are used in the treatment of hypertension, may require supplemental administration of

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Which of the following adverse reactions of oral contraceptives is the most common and the most serious?

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The supraspinal analgesic activity of morphine is mediated primarily through its influence upon which opioid receptor subtype?

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Which pair of anesthetics is most likely to show cross-allergenicity?

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Thrombophlebitis, which occurs after intravenous administration of diazepam, is usually attributed to which of the following substances in the mixture?

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Each of the following is a pharmacologic effect of phenothiazines EXCEPT one. Which one is the EXCEPTION?

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Epinephrine antagonizes the effects of histamine by

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Which of the following represents the drug-of-choice in the treatment of candidiasis for an HIV-infected patient?

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A patient presents for treatment of a large fluctuant mass in the submandibular space as a result of extension of odontogenic infection. He has a temperature of 38.5 degrees C (101 degrees F). Initially, the dentist should treat this patient with which of the following?

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The only local anesthetic that increases the pressor activity of both epinephrine and norepinephrine is

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Corticosteroid therapy for arthritis is contraindicated for a patient who also has which of the following conditions?

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Which of the following is the first symptom that is usually perceived by the patient being administered nitrous oxide?

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Each of the following, EXCEPT one, is a good reason for using sedation. Which one is this EXCEPTION?

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Which of the following is classified as an antianxiety drug?

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Alcohol abuse occurs when someone

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For oral sedation in the dental setting, the most ideal group of agents is

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In most cases, which of the following is the accepted dose schedule of penicillin in the treatment of actinomycosis of the jaw?

Praxis Tests: Pharmacology Quiz sobre Pharmacology VII, criado por ACAPUN INSTITUTE em 08-11-2021.

Pharmacology VII

Which of the following drugs is often administered to treat life-threatening arrhythmias?

A male patient who is receiving Coumadin therapy presents for an elective extraction. His protrhombin time (PT) is prolonged. Which of the following methods is preferred for reducing the PT to an acceptable level?

Each of the following drugs has a significant anti-inflammatory property except one. Which one is the exception?

A patient has a history of significant cardiovascular impairment. The maximum safe dose of epinephrine that can be administered to this patient is:

Which of the following is the current drug of choice for status-epilepticus?

Which of the following is an example of an enteral route of administration?

Propranolol (Inderal) exerts its major antianginal effect by

Bradycardia is MOST commonly treated with which of the following drugs?

Which of the following best explains why drugs that are highly ionized tend to be more rapidly excreted than those that are less ionized? The highly ionized are

Which of the following groups of drugs is CONTRAINDICATED for patients who have glaucoma?

Low dose aspirin therapy prevents the formation of thromboemboli by preferentially inhibiting which of the following?

A patient who is receiving an IV diazepam sedation has upper eye-lid ptosis (Verill’s sign). The dentist should

A dentist is considering the use of nitrous-oxide conscious sedation for a patient. However, this type of sedation will be CONTRAINDICATED, should the patient have a history of which of the following?

The correct total liter flow of nitrous oxide- oxygen is determined by

Which of the following sympathomimetic agents is the most potent bronchodilator?

Succinylcholine blocks neuromuscular transmission by

Which of the following effects are common to pentobarbital, diazepam, and meperidine?

The onset of action of a drug is primarily determined by the rate of

Injection of a local anesthetic into an inflamed area usually has a less than optimal result. Which of the following best explains why?

The major effect of a drug is produced by the amount of the drug that is