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50 Cards in this Set
- Front
- Back
Increased bleeding is associated with a
prolonged administration of 1. Warfarin (Coumadin). 2. codeine. 3. acetylsalicylic acid. 4. acetaminophen. |
1. Warfarin (Coumadin).
3. acetylsalicylic acid. |
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The most common complication of a
venipuncture is A. syncope. B. hematoma. C. thrombophlebitis. D. embolus. |
B. hematoma.
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Antihistamines act by
A. increasing the action of histaminase. B. altering the formation of histamine. C. blocking the actions of histamine by competitive inhibition. D. interfering with the degradation of histamine. |
C. blocking the actions of histamine by
competitive inhibition. |
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Which of the following is used in the
management of a patient with grand mal seizures? A. Amobarbital. B. Secobarbital. C. Pentobarbital. D. Phenobarbital. |
D. Phenobarbital.
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Adrenal corticosteroids
1. cause diabetes. 2. cause retention of sodium and fluid. 3. heighten the immune response. 4. decrease the immune response. |
2. cause retention of sodium and fluid.
4. decrease the immune response. |
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All of the following drugs are useful in the
treatment of cardiac arrhythmias EXCEPT A. digitalis. B. lidocaine. C. procainamide. D. aminophylline. |
D. aminophylline.
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Tetracyclines
1. have no side effects. 2. may increase susceptibility to superinfections. 3. are safe to use during pregnancy. 4. have a wide spectrum of antibacterial activity. |
2. may increase susceptibility to
superinfections. 4. have a wide spectrum of antibacterial activity. |
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Which of the following drugs has/have
antisialagogue properties? 1. Codeine. 2. Atropine. 3. Acetylsalicylic acid. 4. Methantheline. |
2. Atropine.
4. Methantheline. |
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A patient with congestive heart failure
may have 1. epistaxis. 2. shortness of breath. 3. rhinophyma. 4. pitting edema of the ankles. |
2. shortness of breath.
4. pitting edema of the ankles. |
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Which valve is most commonly affected
by rheumatic heart disease? A. Aortic. B. Pulmonary. C. Tricuspid. D. Mitral. |
D. Mitral.
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A therapeutic advantage of penicillin V
over penicillin G is A. greater resistance to penicillinase. B. broader antibacterial spectrum. C. greater absorption when given orally. D. slower renal excretion. E. None of the above. |
C. greater absorption when given orally.
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Trismus is most frequently caused by
A. tetanus. B. muscular dystrophy. C. infection. D. mandibular fracture. |
C. infection.
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Which of the following statements are
correct? 1. Narcotic and non-narcotic analgesics are equipotent. 2. Non-narcotic analgesics do not alter consciousness. 3. Non-narcotic analgesics are safer and less toxic. 4. Non-narcotic analgesics produce less side effects. |
2. Non-narcotic analgesics do not alter
consciousness. 3. Non-narcotic analgesics are safer and less toxic. 4. Non-narcotic analgesics produce less side effects. |
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Acetaminophen in therapeutic doses
1. retards platelet function. 2. has strong anti-inflammatory properties. 3. produces CNS stimulation. 4. has antipyretic properties. |
4. has antipyretic properties.
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Short-acting barbiturates are metabolized
mainly in the A. liver. B. kidneys. C. small intestine. D. pancreas. E. spleen. |
A. liver.
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Acquired Immune Deficiency Syndrome
(AIDS) may be characterized by 1. candidiasis. 2. rapid weight loss and night sweats. 3. extreme malaise, fever or chills. 4. a smooth and red tongue. |
E. All of the above.
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The local anesthetic lidocaine is an
A. amide. B. ester. C. aldehyde. D. acid. |
A. amide
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A major clinical problem of penicillin
therapy is its A. high toxicity. B. allergenicity. C. rapid development of tolerance. D. narrow spectrum of activity. E. induction of nephritis. |
B. allergenicity.
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Which of the following does NOT
influence the rate of induction during inhalation anesthesia? A. Pulmonary ventilation. B. Blood supply to the lungs. C. Hemoglobin content of the blood. D. Concentration of the anesthetic in the inspired mixture. E. Solubility of the anesthetic in blood. |
C. Hemoglobin content of the bloo
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Most anaphylactic reactions to penicillin
occur 1. when the drug is administered parenterally. 2. in patients who have already experienced an allergic reaction to the drug. 3. within minutes after drug administration. 4. when the drug is administered orally. 5. in patients with a negative skin test to penicillin allergy. |
1. when the drug is administered
parenterally. 2. in patients who have already experienced an allergic reaction to the drug. 3. within minutes after drug administration. |
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Which of the following statements isçare
true regarding acetylcholine? 1. It is the neurotransmitter at both sympathetic and parasympathetic ganglia. 2. It is rapidly hydrolysed in the body by cholinesterase. 3. It can produce both muscarinic and nicotinic actions. 4. It is the drug of choice as an antidote in atropine poisoning. |
1. It is the neurotransmitter at both
sympathetic and parasympathetic ganglia. 2. It is rapidly hydrolysed in the body by cholinesterase. 3. It can produce both muscarinic and nicotinic actions. |
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Corticosteroids may be used for the
management of A. allergy. B. arthritis. C. asthma. D. Addison's disease. E. All of the above. |
E. All of the above.
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When used ALONE, which of the
following agents will not produce satisfactory anesthesia? A. Chloroform. B. Cyclopropane. C. Nitrous oxide. D. Fluothane. |
C. Nitrous oxide.
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Which of the following would you
prescribe for an anxious dental patient with a peptic ulcer? A. Reserpine. B. Scopolamine. C. Silica gel. D. Diazepam. E. Calcium carbonate. |
D. Diazepam.
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Tetracycline will cause crown
discolouration when prescribed at the age of 1. 6 months in utero. 2. 2 years. 3. 7 years. 4. 14 years. |
1. 6 months in utero.
2. 2 years. 3. 7 years. |
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Which of the following complications
might occur after administration of a local anesthetic agent? 1. Convulsions. 2. Nausea. 3. Respiratory depression. 4. Cardiovascular collapse |
E. All of the above.
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Unconsciousness in syncope results from
A. electrolyte imbalance. B. neurogenic shock. C. cerebral hyperemia. D. cerebral hypoxia. |
D. cerebral hypoxia.
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The most effective drug for relief of
angina pectoris is A. morphine. B. digitalis. C. quinidine. D. nitroglycerine. E. pentobarbital sodium. |
D. nitroglycerine
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The appearance of a rash, itching,
broncho-constriction and fever after the administration of a drug are the result of A. allergy. B. tolerance. C. idiosyncrasy. D. teratogenicity. |
A. allergy.
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Diazepam (valium)
1. is a benzodiazepine. 2. is contraindicated in a patient with glaucoma. 3. is anxiolytic. 4. produces muscle relaxation when given orally. |
E. All of the above.
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For either nitrous oxide analgesia or
intravenous sedation using diazepam (Valium) in a healthy adult patient, you would require 1. that the patient be supine. 2. that the patient have no food or drink for four hours previously. 3. that the patient possess an electrocardiogram. 4. that emergency drugs are available. 5. that oxygen is available. |
1. that the patient be supine.
2. that the patient have no food or drink for four hours previously. 4. that emergency drugs are available. 5. that oxygen is available. |
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Prolonged use of nitrous oxide has been
shown to produce 1. abortions in females. 2. cancer in occupationally exposed females. 3. liver disease in occupationally exposed males. 4. birth defects in exposed females. 5. suppression of white blood cells. |
1. abortions in females.
4. birth defects in exposed females. 5. suppression of white blood cells. |
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Which of the following statements is/are
true regarding diazepam? 1. Its long duration of action is partly due to active metabolites. 2. It does not produce antianxiety effects after intramuscular administration. 3. Intravenous administration is more reliable than oral. 4. Its sedative effect can be reversed by naloxone. |
1. Its long duration of action is partly
due to active metabolites. 3. Intravenous administration is more reliable than oral. |
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For a patient with cardiovascular disease,
local anesthesia A. affects blood pressure more than general anesthesia. B. affects blood pressure less than general anesthesia. C. is responsible for bacteremia. D. None of the above. |
B. affects blood pressure less than
general anesthesia. |
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The inorganic ion that is implicated in
primary hypertension is A. sodium. B. fluoride. C. potassium. D. magnesium. |
A. sodium.
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Which of the following can be mistaken
on a radiograph for a chronic alveolar abscess? A. Mental foramen. B. Cementoma in its early stages. C. Posterior palatine foramen. D. All of the above. |
D. All of the above.
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Displacement of mandibular fractures is
dependent upon 1. direction of fracture line. 2. proprioceptor nerve action. 3. muscle pull. 4. tooth in line of fracture. 5. direction of blow. |
1. direction of fracture line.
3. muscle pull. 5. direction of blow. |
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Which of the following is the most
important factor in the preoperative evaluation of a patient? A. Medical history. B. Laboratory data. C. Electrocardiogram. D. Pulse and blood pressure. |
A. Medical history.
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In a standard dental cartridge (carpule)
containing 1.8ml 2% lidocaine with epinephrine 1/100,000, the amount of vasoconstrictor is A. 18.0 mg. B. 0.018 mg. C. 1.8 mg. D. 0.18 mg. E. 180.0 mg. |
B. 0.018 mg.
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The mode of action of the sulfonamides
upon susceptible bacteria is by A. inhibiting the biosynthesis of paminobenzoic acid. B. competing for nutrients in the tissue environment of the microorganisms. C. interfering with the synthesis of cell wall protein. D. interfering with the synthesis of folic acid. |
D. interfering with the synthesis of folic
acid. |
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Vestibuloplasty is a preprosthetic surgical
procedure used to A. facilitate reliable impression making. B. provide adequate posterior inter-arch space. C. allow placement of teeth over the residual ridge. D. increase the supporting surface area |
D. increase the supporting surface area
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An immediate toxic reaction to a local
anesthetic administration is A. deterioration of the anesthetic agent. B. hypersensitivity to the vasoconstrictor. C. hypersensitivity to the anesthetic agent. D. excessive blood level of the anesthetic agent. |
D. excessive blood level of the
anesthetic agent. |
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The use of aspirating syringes for the
administration of local anesthetics is recommended because 1. the effectiveness of local anesthesia is increased. 2. aspiration of blood is proof that the needle is in an intravascular location. 3. their use removes the hazard of rapid injection and provides a distinct saving of time. 4. their use reduces the frequency of accidental intravenous injection. |
D. All of the above.
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In a standard inferior alveolar nerve block,
which muscle is penetrated by the needle? A. Buccinator. B. Mylohyoid. C. Superior constrictor. D. Masseter. E. Medial (internal) pterygoid. |
A. Buccinator.
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Lidocaine (Xylocaine)
1. is a local anesthetic agent. 2. has topical anesthetic properties. 3. is an antiarrhythmic agent. 4. has anticonvulsant properties. |
E. All of the above.
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Which of the following nerves should be
anesthetized for extraction of a maxillary lateral incisor? 1. Nasociliary. 2. Nasopalatine. 3. Sphenopalatine. 4. Anterior superior alveolar. |
2. Nasopalatine.
4. Anterior superior alveolar. |
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Which of the following is the strongest
stimulus to respiration? A. Decrease in arterial pH. B. Increase in arterial oxygen. C. Decrease in arterial oxygen. D. Increase in arterial carbon dioxide. E. Decrease in arterial carbon dioxide. |
D. Increase in arterial carbon dioxide.
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In addition to analgesia, pentazocine
A. produces sedation. B. reduces elevated temperature. C. has anti-inflammatory properties. D. produces peripheral vasoconstriction |
A. produces sedation.
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An infected root is accidentally displaced
into the maxillary sinus. Examination of the socket reveals perforation of the sinus lining with an oro-antral communication. Therapy should consist of 1. antrostomy for retrieval of root. 2. closure of oro-antral communication and antibiotic coverage. 3. antibiotic coverage and observation. 4. acrylic template to cover socket opening and saline rinses. |
1. antrostomy for retrieval of root.
2. closure of oro-antral communication and antibiotic coverage. |
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With respect to local anaesthetics, which
of the following statements isçare correct? A. Certain nerve fibers are more susceptible. B. In mixed nerves, sensory fibers are more susceptible. C. Anaesthetics are marketed as watersoluble acid salts. D. They are capable of blocking every type of nerve tissue. E. All of the above. |
E. All of the above.
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