58 Questions
Which of the following local anesthetics has the shortest duration of action?
Articaine
Which of the following local anesthetics is not safe for use in children?
Bupivacaine
Which type of local anesthetics is metabolized by the liver?
Amides
Which of the following local anesthetics has the lowest risk of vasodilation?
Mepivacaine
Which technique can be useful in cases of truisms?
Vazirani-Akinosi
Which nerve is numbed in the quadrant if the lingual nerve is blocked as well?
Lingual Nerve
Which injection technique aims to anesthetize the anterior teeth and premolars of the quadrant?
Incisive Nerve Block
Which injection technique is known to be the most painful?
Nasopalatine Block
Which of the following is a characteristic of nitrous oxide (N2O)?
It is commonly known as laughing gas.
Which route of administration involves administering a drug through the skin, intestines, respiratory system, or genitourinary tract?
Enteral
What is the maximum bioavailability that can occur if a drug is administered intravenously (IV)?
100%
Which of the following antibiotics is a protein synthesis inhibitor that binds to the 30S ribosomal subunit?
Tetracycline
Which of the following antibiotics is chemically related to penicillin and can cause cross-allergenicity with cephalosporins?
Amoxicillin
Which of the following antibiotics is commonly used for the prevention of infective endocarditis in patients with penicillin allergy?
Azithromycin
Which of the following antibiotics concentrates well in gingival crevicular fluid?
Tetracycline
Which of the following is the correct equation to calculate the amount of lidocaine in a carpule (1.8mL) of a 2% lidocaine solution?
1.8mL x 2%
What is the maximum dosage of lidocaine without epinephrine for a healthy patient?
4.5mg/kg
What is the maximum dosage of articaine with epinephrine?
7mg/kg
Which of the following is the correct equation to calculate the amount of epinephrine in a carpule of a 2% lidocaine solution with a ratio of 1:100,000?
1.8mL x 0.018%
Which of the following is a potential drug interaction between antibiotics and oral contraceptives?
Antibiotics decrease the effectiveness of oral contraceptives
Which of the following is a potential drug interaction between penicillin and probenecid?
Probenecid alters the renal clearance of penicillin
Which of the following is a potential drug interaction between tetracycline and antacids/dairy products?
Antacids and dairy products decrease the absorption of tetracycline
Which of the following is a potential drug interaction between broad-spectrum antibiotics and anticoagulants?
Broad-spectrum antibiotics enhance the actions of anticoagulants
Which of the following is true about weak acids and weak bases in terms of absorption?
Weak acids have a pH < pKa for absorption
Which of the following is true about the distribution of drugs for adequate systemic distribution?
Systemic drugs primarily reach vessel-rich organs quickly
What is the term used to describe the volume of total body water in which a drug will partition?
Volume of Distribution (Vd)
Which body tissues have the highest and lowest water content?
Brain and muscle have the highest water content, while adipose tissue has the lowest water content
What is the most common phase of drug metabolism that involves oxidation?
Phase I Functionalization
What is the main route of elimination for drugs in the body?
Urinary clearance through the kidneys
Which of the following local anesthetics has the highest risk of causing methemoglobinemia?
Prilocaine
Which of the following local anesthetics is NOT metabolized by the liver?
Articaine
Which of the following local anesthetics has the longest duration of action?
Bupivacaine
Which of the following local anesthetics causes the least amount of vasodilation?
Mepivacaine
Which of the following is a potential side effect of aspirin?
Hyperglycemia
Which of the following is NOT a therapeutic effect of corticosteroids?
Antipyretic
Which of the following is a potential side effect of opioids?
Hypotension
Which of the following is a characteristic of Schedule I drugs?
High abuse potential
Which of the following injection techniques numbs the lips and gingiva of all teeth in the quadrant, except the gingiva of the molar region?
IAN Block
Which of the following injection techniques is known to have a high failure rate due to the difficulty of the injection?
IAN Block
Which of the following injection techniques anesthetizes the soft tissue facial to the anterior teeth?
Mental Nerve Block
Which of the following antibiotics is a protein synthesis inhibitor that binds to the 50S ribosomal subunit?
Clindamycin
Which of the following antibiotics is a β-lactam that inhibits cell wall synthesis and is cross-allergenic with cephalosporins?
Penicillin
Which of the following antibiotics is commonly used for the prevention of infective endocarditis in patients with penicillin allergy?
Azithromycin
Which of the following antibiotics has the broadest antimicrobial spectrum and is a bacteriostatic protein synthesis inhibitor that binds to the 30S ribosomal subunit?
Tetracycline
Which of the following is the correct equation to calculate the amount of lidocaine in a carpule (1.8mL) of a 2% lidocaine solution?
36mg
What is the maximum dosage of lidocaine without epinephrine for a healthy patient?
4.5mg/kg
What is the maximum dosage of articaine with epinephrine?
7mg/kg
Which of the following is the correct equation to calculate the amount of epinephrine in a carpule of a 2% lidocaine solution with a ratio of 1:100,000?
0.018mg
Which of the following is the correct order of the sequential steps of a drug's path through the body?
Absorption, Distribution, Metabolism, Elimination
Which of the following is true about diffusion hypoxia?
N2O can get trapped in the lungs
Which of the following routes of administration requires the drug to cross epithelial cell layers?
Oral
Which of the following is the correct equation to calculate the bioavailability of a drug?
Bioavailability = (Amount of drug in systemic circulation) / (Amount of drug administered)
Which of the following is true about the first pass effect?
It refers to drugs absorbing through the GI system and being sent to the liver for metabolism.
Which of the following is true about the volume of distribution (Vd)?
It is the volume of total body water in which a drug will partition.
Which of the following is true about drug metabolism?
Phase I reactions create polar molecules.
Which of the following is true about drug elimination?
It occurs mostly in the kidneys.
Which of the following is true about drug-drug interactions?
Inhibition competes for metabolism or inhibits liver cytochrome enzymes.
Which of the following is a potential drug interaction between NSAIDs and anticoagulants?
Increased risk of bleeding
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