HESI STUDY EXIT EXAM 2025
QUESTIONS AD ANSWERS
What condition is characterized by iron in hemoglobin not carrying
oxygen effectively? What does acetaminophen do in patients with this
condition?
A. pernicious anemia
B. methemoglobinemia
C. sickle anemia
D. thalassemia - ✔✔methemoglobinemia; raises methemoglobin levels
Which local anesthetic has the shortest duration of action?
A. lidocaine
B. mepivacaine
C. prilocaine
D. bupivacaine
E. benzocaine
F. articaine - ✔✔mepivacaine
When choosing a local anesthetic, a lower pKa does what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
,D. better absorbed - ✔✔better absorbed, related to onset of action
Put the local anesthetics in order from shortest to longest duration of
action?
A. lidocaine
B. mepivacaine
C. prilocaine
D. bupivacaine
E. articaine - ✔✔mepivacaine, lidocaine, prilocaine, articaine,
bupivacaine
When choosing a local anesthetic, stronger binding to a protein does
what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔longer duration; related to duration of action
When choosing a local anesthetic, the more lipid soluble it is, what
happenst?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔more potent; related to potency
, When choosing a local anesthetic, less vasodilation (vasoconstrictor
added) does what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔more potent and longer duration; related to
potency and duration of action
All are reasons vasoconstrictors are added to local anesthetics except:
A. decreased absorption
B. Increased bleeding
C. Decreased bleeding
D. Increased duration of action - ✔✔increased bleeding
T/F: Vasoconstrictors in local anesthetic prevent toxicity by decreasing
absorption. What is the only true contraindication to vasoconstrictors?
- ✔✔true; sulfite allergy
What is a preservative in local anesthetics that is used with
vasoconstrictors and can cause allergy? What are the two
vasoconstrictors used in the US? - ✔✔sulfite; epi and levonordefrin
QUESTIONS AD ANSWERS
What condition is characterized by iron in hemoglobin not carrying
oxygen effectively? What does acetaminophen do in patients with this
condition?
A. pernicious anemia
B. methemoglobinemia
C. sickle anemia
D. thalassemia - ✔✔methemoglobinemia; raises methemoglobin levels
Which local anesthetic has the shortest duration of action?
A. lidocaine
B. mepivacaine
C. prilocaine
D. bupivacaine
E. benzocaine
F. articaine - ✔✔mepivacaine
When choosing a local anesthetic, a lower pKa does what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
,D. better absorbed - ✔✔better absorbed, related to onset of action
Put the local anesthetics in order from shortest to longest duration of
action?
A. lidocaine
B. mepivacaine
C. prilocaine
D. bupivacaine
E. articaine - ✔✔mepivacaine, lidocaine, prilocaine, articaine,
bupivacaine
When choosing a local anesthetic, stronger binding to a protein does
what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔longer duration; related to duration of action
When choosing a local anesthetic, the more lipid soluble it is, what
happenst?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔more potent; related to potency
, When choosing a local anesthetic, less vasodilation (vasoconstrictor
added) does what?
A. make it more potent
B. make it longer duration
C. make it more potent and longer duration
D. better absorbed - ✔✔more potent and longer duration; related to
potency and duration of action
All are reasons vasoconstrictors are added to local anesthetics except:
A. decreased absorption
B. Increased bleeding
C. Decreased bleeding
D. Increased duration of action - ✔✔increased bleeding
T/F: Vasoconstrictors in local anesthetic prevent toxicity by decreasing
absorption. What is the only true contraindication to vasoconstrictors?
- ✔✔true; sulfite allergy
What is a preservative in local anesthetics that is used with
vasoconstrictors and can cause allergy? What are the two
vasoconstrictors used in the US? - ✔✔sulfite; epi and levonordefrin
