Applied Pharmacology for the Dental Hygienist
Questions and Answers (2026) | Full Test Bank with
Verified Solutions | Grade A+
• ___________ after pain management, is the dental problem for which drugs are most
often prescribed . Answer: Infection
• Dental infections can be divided into several types . Answer: Caries
Periodontal disease
Localized dental infections
Systemic infections
• Periodontal disease is caused by . Answer: P. gingivalis
• Localized dental infections: . Answer: for most infections if adequate drainage can
occur no anti-infective agents are necessary
• Systemic infections . Answer: if drainage does not occur antibiotics should be given
• If the infection is just beginning, the organisms are most likely ___________.
________ is the drug of choice unless the patient is allergic
In an allergic patient, alternatives might include _____ or ____ . Answer: gram (+) Cocci
Penicillin
erythromycin or clindamycin
• Thrush is caused by . Answer: Oral Canadiasis
• Inhibit cell wall synthesis . Answer: Penicillin & Cephalosporin
• Adverse Reactions to Tetracycline . Answer: Stain new teeth, contraindications in
pregnant women
• Antibiotics only treat bacterial infections (T/F) . Answer: True
• The most common oral fungus . Answer: Candida Albicans
• Herpes Simplex Virus 1 is associated with . Answer: Cold Sores
• Herpes Simplex Virus 2 is associated with . Answer: Genital Herpes
• There is an antidote for benzodiazapines (T/F) . Answer: True
• There is an antidote for barbituates (T/F) . Answer: False; They are lethal in over dose,
have a narrow TI
, • The patient taking anti-anxiety medication needs a ride from the dental appointment
(T/F) . Answer: True
• Taking antibiotics can alter the effectiveness of taking oral contraceptives (T/F) .
Answer: True
• During the Mixed Stage of Infection:
For gram-positive organisms, the drug of choice is _______ or, with penicillin allergy, a
___________ antibiotic . Answer: penicillin/amoxicillin
macrolide
• During the Mixed Stage of Infection:
____________ affects both gram-positive cocci and gram-negative anaerobes .
Answer: Clindamycin
• Dental Infection Pathway:
1. The organisms initially responsible for a dental infection are primarily gram
_________ cocci
2. After a short time, the gram-positive infection begins to include a variety of both
gram-_____ and gram-_____ anaerobic organisms; this is termed a _______ infection
3. Over time, the proportion of organisms that are anaerobic increases until it consists of
predominately _______ . Answer: gram-positive
(+) (-)
mixed infection
anaerobic flora
• The factors that determine the likelihood of a microorganism causing an infection .
Answer: Disease-producing power of the microorganism (virulence)
Number of organisms present (inoculum)
Resistance of the host (immunologic response)
• Antiinfective agents potentiate the effect of oral anticoagulants
Oral anticoagulants are vitamin __ inhibitors; thus interfering with production of vitamin
__ could increase the anticoagulant effect . Answer: K
K
• 1.Antiinfective Drugs GI side effects:
2.The incidence varies, depending on the agent used, the dose, and whether the patient
takes the drug with ______ . Answer: Complaints include stomach pain, increased
motility, and diarrhea
food
• Erythromycin has the highest incidence of ________ of any of the antibiotics . Answer:
GI complaints
Questions and Answers (2026) | Full Test Bank with
Verified Solutions | Grade A+
• ___________ after pain management, is the dental problem for which drugs are most
often prescribed . Answer: Infection
• Dental infections can be divided into several types . Answer: Caries
Periodontal disease
Localized dental infections
Systemic infections
• Periodontal disease is caused by . Answer: P. gingivalis
• Localized dental infections: . Answer: for most infections if adequate drainage can
occur no anti-infective agents are necessary
• Systemic infections . Answer: if drainage does not occur antibiotics should be given
• If the infection is just beginning, the organisms are most likely ___________.
________ is the drug of choice unless the patient is allergic
In an allergic patient, alternatives might include _____ or ____ . Answer: gram (+) Cocci
Penicillin
erythromycin or clindamycin
• Thrush is caused by . Answer: Oral Canadiasis
• Inhibit cell wall synthesis . Answer: Penicillin & Cephalosporin
• Adverse Reactions to Tetracycline . Answer: Stain new teeth, contraindications in
pregnant women
• Antibiotics only treat bacterial infections (T/F) . Answer: True
• The most common oral fungus . Answer: Candida Albicans
• Herpes Simplex Virus 1 is associated with . Answer: Cold Sores
• Herpes Simplex Virus 2 is associated with . Answer: Genital Herpes
• There is an antidote for benzodiazapines (T/F) . Answer: True
• There is an antidote for barbituates (T/F) . Answer: False; They are lethal in over dose,
have a narrow TI
, • The patient taking anti-anxiety medication needs a ride from the dental appointment
(T/F) . Answer: True
• Taking antibiotics can alter the effectiveness of taking oral contraceptives (T/F) .
Answer: True
• During the Mixed Stage of Infection:
For gram-positive organisms, the drug of choice is _______ or, with penicillin allergy, a
___________ antibiotic . Answer: penicillin/amoxicillin
macrolide
• During the Mixed Stage of Infection:
____________ affects both gram-positive cocci and gram-negative anaerobes .
Answer: Clindamycin
• Dental Infection Pathway:
1. The organisms initially responsible for a dental infection are primarily gram
_________ cocci
2. After a short time, the gram-positive infection begins to include a variety of both
gram-_____ and gram-_____ anaerobic organisms; this is termed a _______ infection
3. Over time, the proportion of organisms that are anaerobic increases until it consists of
predominately _______ . Answer: gram-positive
(+) (-)
mixed infection
anaerobic flora
• The factors that determine the likelihood of a microorganism causing an infection .
Answer: Disease-producing power of the microorganism (virulence)
Number of organisms present (inoculum)
Resistance of the host (immunologic response)
• Antiinfective agents potentiate the effect of oral anticoagulants
Oral anticoagulants are vitamin __ inhibitors; thus interfering with production of vitamin
__ could increase the anticoagulant effect . Answer: K
K
• 1.Antiinfective Drugs GI side effects:
2.The incidence varies, depending on the agent used, the dose, and whether the patient
takes the drug with ______ . Answer: Complaints include stomach pain, increased
motility, and diarrhea
food
• Erythromycin has the highest incidence of ________ of any of the antibiotics . Answer:
GI complaints
