NBDHE COMPREHENSIVE EXAM QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔All are clinical signs of pernicious anemia EXCEPT one. Which one is the
EXCEPTION?
A. Weakness
B. Fatigue
C. Burning tongue
D. Tooth erosion - ✔✔D. Tooth erosion
✔✔Which test is used to diagnose pernicious anemia? - ✔✔Schilling
✔✔Which term refers to enamel hypoplasia of a permanent tooth resulting from
infection of a ciduous tooth? - ✔✔Turner tooth
✔✔The MOST common odontogenic tumor is - ✔✔odontoma.
✔✔Which two nutrients are necessary for DNA synthesis? - ✔✔Folic acid , Vitamin B
✔✔Which condition is present in polycythemia vera? - ✔✔Excessive number of red
blood cells (RBCs)
✔✔The MOST common malignant soft tissue tumor of the head and neck in children is -
✔✔rhabdomyosarcoma
✔✔The normal prothrombin time (PT) is - ✔✔1 to 16 seconds.
✔✔Thrombocytopenic purpura results from a severe reduction in - ✔✔platelets
✔✔Which are the MOST common sites for squamous cell carcinoma?
A. Labial mucosa, buccal mucosa, and hard palate
B. Labial mucosa, maxillary gingiva, and buccal mucosa
C. Floor of the mouth, ventrolateral tongue, and soft palate
D. Anterior tongue, gingiva, and retromolar area - ✔✔Floor of the mouth, ventrolateral
tongue, and soft palate
✔✔Aspirin is approved to treat each of the following conditions EXCEPT one. Which
one is the EXCEPTION?
A. Pain
B. Fever
C.Asthma
,D.Arthritis
E. Dysmenorrhea - ✔✔Asthma
✔✔Which beverage should not be given concurrently with tetracycline? - ✔✔2 % milk
✔✔Antiinflammatory, antipyretic, and analgesic effects are associated with which drug?
- ✔✔Ibuprofen
✔✔Patients taking metronidazole hydrochloride (HCI) (Flagyl) should be advised to
avoid which substance? - ✔✔Mouth rinses woth alcohol
✔✔Each of the following is a characteristic of an ideal local anesthetic EXCEPT one.
Which one is the EXCEPTION?
A. Reversible
B. Slow onset
C.Lack of systemic toxicity
D. Absence of local reactions - ✔✔B. Slow onset
✔✔Epinephrine is combined with a local anesthetic to A enhance systemic local
anesthetic absorption. - ✔✔prolong the duration of action of the local anesthetic.
✔✔Extrapyramidal adverse effects caused by phenothiazine antipsychotic drugs - ✔✔A.
can be treated with anticholinergic drugs.
B. affect muscle control (dystonic reactions)
C. include akathisia
✔✔Second-generation antihistamines such as loratadine (Claritin) are less sedating
than their predecessors in therapeutic doses because they - ✔✔do not penetrate the
blood-brain barrier.
✔✔T/F Albuterol (Proventil, Ventolin) is a short-acting beta 2-agonist that can be
administered via a metered- dose inhaler. Albuterol (Proventil, Ventolin) is
recommended as an emergency treatment for dental atients who experience in-office
asthma attacks. - ✔✔Both statements are true
✔✔Patients who have been prescribed ipratropium bromide (Atrovent), an
anticholinergic drug for the treatment of chronic obstructive pulmonary disease (COPD)
should be instructed to do what after each inhaler use? - ✔✔Rinse with water, swish,
and expectorate after each inhalation
✔✔When using an EpiPen, the dosage for an adult will be metered in which milligram
increments? - ✔✔0.3 mg
,✔✔Each of the following is a possible side effect of an anticholinergic drug EXCEPT
one. Which one is the EXCEPTION?
A. Salivation
B. Constipation
C. Mydriasis
D. Tachycardia - ✔✔A. Salivation
✔✔Which drug is used to prevent an attack of gout? - ✔✔Probenecid
✔✔Which drug should NOT be given to a patient with true allergy to codeine?
A. Oxycodone (Percodan, Percocet, Tylox)
B. Buprenorphine (Buprenex) C. Pentazocine (Talwin-NX)
D. Propoxyphene (Darvon) - ✔✔A. Oxycodone (Percodan, Percocet, Tylox)
✔✔Which antibiotic is contraindicated in pregnant patients?
A. Tetracycline
B. Erythromycin
C. Penicillin
D. Amoxicillin - ✔✔Tetracycline
✔✔Each of the following agents has good absorption through the gastrointestinal (GI)
tract EXCEPT one Which one is the EXCEPTION?
A. Itraconazole (Sporanox)
B. Griseofulvin (Fülvicin P/G, Grisactin Ultra)
C. Terbinafine (Lamisil)
D. Nystatin (Mycostatin, Nilstat) - ✔✔D. Nystatin (Mycostatin, Nilstat)
✔✔All of the following drugs would be contraindicated in patients with peptic ulcers
EXCEPT one. Which one is the EXCEPTION?
A. Aspirin
B. Acetaminophen
C. Ibuprofen
D. Pilocarpine - ✔✔B. Acetaminophen
✔✔Which general anesthetic may cause respiratory acidosis with deeper levels of
anesthesia?
A. Enflurane
B. Isoflurane
, C. Sevoflurane
D. Halothane - ✔✔B. Isoflurane
✔✔Which is the shortest-acting barbiturate?
A. Pentobarbital (Nembutal)
B. Phenobarbital (Luminal) C. Mephobarbital (Mebaral)
D. Methohexital (Brevital) - ✔✔D. Methohexital (Brevital)
✔✔Beriberi is caused by a severe deficiency of
A. ascorbic acid.
B. niacin.
C. thiamine
D. folic acid. - ✔✔C. thiamine
✔✔Which drug is associated with xerostomia?
A.Cyclobenzaprine
B. Tetracycline
C. Clindamycin (Cleocin)
D. Cyclosporine (Sandimmune) - ✔✔A. Cyclobenzaprine
✔✔Which drug is a common calcium channel blocker?
A. Verapamil (Calan, Isoptin).
B. Furosemide (Lasix).
C. Warfarin (Coumadin)
D. Lovastatin (Mevacor) - ✔✔A. Verapamil (Calan, Isoptin).
✔✔All of the following are characteristics of xylitol EXCEPT one. Which one is the
EXCEPTION?
A. It inhibits the attachment of biofilm to teeth.
B. It prevents the transmission of oral bacteria from mother to child
C. It reduces the levels of Streptococcus mutans in saliva and plaque.
D. It is bactericidal to Streptococcus mutans in saliva and plaque - ✔✔D. It is
bactericidal to Streptococcus mutans in saliva and plaque
✔✔In addition to treatment of tonic-clonic and partial seizure disorders, carbamazepine
(Tegretol) is also used in the treatment of
A. trigeminal neuralgia.
B. Parkinson's disease
C. chronic pain syndromes.
ANSWERS GUARANTEE A+
✔✔All are clinical signs of pernicious anemia EXCEPT one. Which one is the
EXCEPTION?
A. Weakness
B. Fatigue
C. Burning tongue
D. Tooth erosion - ✔✔D. Tooth erosion
✔✔Which test is used to diagnose pernicious anemia? - ✔✔Schilling
✔✔Which term refers to enamel hypoplasia of a permanent tooth resulting from
infection of a ciduous tooth? - ✔✔Turner tooth
✔✔The MOST common odontogenic tumor is - ✔✔odontoma.
✔✔Which two nutrients are necessary for DNA synthesis? - ✔✔Folic acid , Vitamin B
✔✔Which condition is present in polycythemia vera? - ✔✔Excessive number of red
blood cells (RBCs)
✔✔The MOST common malignant soft tissue tumor of the head and neck in children is -
✔✔rhabdomyosarcoma
✔✔The normal prothrombin time (PT) is - ✔✔1 to 16 seconds.
✔✔Thrombocytopenic purpura results from a severe reduction in - ✔✔platelets
✔✔Which are the MOST common sites for squamous cell carcinoma?
A. Labial mucosa, buccal mucosa, and hard palate
B. Labial mucosa, maxillary gingiva, and buccal mucosa
C. Floor of the mouth, ventrolateral tongue, and soft palate
D. Anterior tongue, gingiva, and retromolar area - ✔✔Floor of the mouth, ventrolateral
tongue, and soft palate
✔✔Aspirin is approved to treat each of the following conditions EXCEPT one. Which
one is the EXCEPTION?
A. Pain
B. Fever
C.Asthma
,D.Arthritis
E. Dysmenorrhea - ✔✔Asthma
✔✔Which beverage should not be given concurrently with tetracycline? - ✔✔2 % milk
✔✔Antiinflammatory, antipyretic, and analgesic effects are associated with which drug?
- ✔✔Ibuprofen
✔✔Patients taking metronidazole hydrochloride (HCI) (Flagyl) should be advised to
avoid which substance? - ✔✔Mouth rinses woth alcohol
✔✔Each of the following is a characteristic of an ideal local anesthetic EXCEPT one.
Which one is the EXCEPTION?
A. Reversible
B. Slow onset
C.Lack of systemic toxicity
D. Absence of local reactions - ✔✔B. Slow onset
✔✔Epinephrine is combined with a local anesthetic to A enhance systemic local
anesthetic absorption. - ✔✔prolong the duration of action of the local anesthetic.
✔✔Extrapyramidal adverse effects caused by phenothiazine antipsychotic drugs - ✔✔A.
can be treated with anticholinergic drugs.
B. affect muscle control (dystonic reactions)
C. include akathisia
✔✔Second-generation antihistamines such as loratadine (Claritin) are less sedating
than their predecessors in therapeutic doses because they - ✔✔do not penetrate the
blood-brain barrier.
✔✔T/F Albuterol (Proventil, Ventolin) is a short-acting beta 2-agonist that can be
administered via a metered- dose inhaler. Albuterol (Proventil, Ventolin) is
recommended as an emergency treatment for dental atients who experience in-office
asthma attacks. - ✔✔Both statements are true
✔✔Patients who have been prescribed ipratropium bromide (Atrovent), an
anticholinergic drug for the treatment of chronic obstructive pulmonary disease (COPD)
should be instructed to do what after each inhaler use? - ✔✔Rinse with water, swish,
and expectorate after each inhalation
✔✔When using an EpiPen, the dosage for an adult will be metered in which milligram
increments? - ✔✔0.3 mg
,✔✔Each of the following is a possible side effect of an anticholinergic drug EXCEPT
one. Which one is the EXCEPTION?
A. Salivation
B. Constipation
C. Mydriasis
D. Tachycardia - ✔✔A. Salivation
✔✔Which drug is used to prevent an attack of gout? - ✔✔Probenecid
✔✔Which drug should NOT be given to a patient with true allergy to codeine?
A. Oxycodone (Percodan, Percocet, Tylox)
B. Buprenorphine (Buprenex) C. Pentazocine (Talwin-NX)
D. Propoxyphene (Darvon) - ✔✔A. Oxycodone (Percodan, Percocet, Tylox)
✔✔Which antibiotic is contraindicated in pregnant patients?
A. Tetracycline
B. Erythromycin
C. Penicillin
D. Amoxicillin - ✔✔Tetracycline
✔✔Each of the following agents has good absorption through the gastrointestinal (GI)
tract EXCEPT one Which one is the EXCEPTION?
A. Itraconazole (Sporanox)
B. Griseofulvin (Fülvicin P/G, Grisactin Ultra)
C. Terbinafine (Lamisil)
D. Nystatin (Mycostatin, Nilstat) - ✔✔D. Nystatin (Mycostatin, Nilstat)
✔✔All of the following drugs would be contraindicated in patients with peptic ulcers
EXCEPT one. Which one is the EXCEPTION?
A. Aspirin
B. Acetaminophen
C. Ibuprofen
D. Pilocarpine - ✔✔B. Acetaminophen
✔✔Which general anesthetic may cause respiratory acidosis with deeper levels of
anesthesia?
A. Enflurane
B. Isoflurane
, C. Sevoflurane
D. Halothane - ✔✔B. Isoflurane
✔✔Which is the shortest-acting barbiturate?
A. Pentobarbital (Nembutal)
B. Phenobarbital (Luminal) C. Mephobarbital (Mebaral)
D. Methohexital (Brevital) - ✔✔D. Methohexital (Brevital)
✔✔Beriberi is caused by a severe deficiency of
A. ascorbic acid.
B. niacin.
C. thiamine
D. folic acid. - ✔✔C. thiamine
✔✔Which drug is associated with xerostomia?
A.Cyclobenzaprine
B. Tetracycline
C. Clindamycin (Cleocin)
D. Cyclosporine (Sandimmune) - ✔✔A. Cyclobenzaprine
✔✔Which drug is a common calcium channel blocker?
A. Verapamil (Calan, Isoptin).
B. Furosemide (Lasix).
C. Warfarin (Coumadin)
D. Lovastatin (Mevacor) - ✔✔A. Verapamil (Calan, Isoptin).
✔✔All of the following are characteristics of xylitol EXCEPT one. Which one is the
EXCEPTION?
A. It inhibits the attachment of biofilm to teeth.
B. It prevents the transmission of oral bacteria from mother to child
C. It reduces the levels of Streptococcus mutans in saliva and plaque.
D. It is bactericidal to Streptococcus mutans in saliva and plaque - ✔✔D. It is
bactericidal to Streptococcus mutans in saliva and plaque
✔✔In addition to treatment of tonic-clonic and partial seizure disorders, carbamazepine
(Tegretol) is also used in the treatment of
A. trigeminal neuralgia.
B. Parkinson's disease
C. chronic pain syndromes.
