LESI LESI Pharmacology 3

Question 1

Epidural corticosteroids can elevate blood glucose in diabetic patients for approximately how long after injection?

Accepted Answer

1-5 days

Answer

2-6 hours

Answer

24-48 hours

Answer

2-3 weeks

Question 2

What volume of injectate is typically used for an interlaminar lumbar ESI?

Accepted Answer

3-6 mL

Answer

0.5-1 mL

Answer

1-2 mL

Answer

10-15 mL

Question 3

Which of the following is a potential systemic side effect of repeated epidural corticosteroid injections?

Accepted Answer

Osteoporosis and vertebral fracture risk

Answer

Hypoglycemia

Answer

Hyponatremia

Answer

Thrombocytopenia

Question 4

Why is epinephrine sometimes added as an intravascular injection marker in epidural procedures?

Accepted Answer

To detect intravascular needle placement via transient heart rate increase

Answer

To prolong steroid duration of action

Answer

To reduce inflammation at the injection site

Answer

To increase local anesthetic spread

Question 5

Which local anesthetic is preferred for LESI in patients with a documented allergy to amide anesthetics?

Accepted Answer

Chloroprocaine (ester anesthetic)

Answer

Lidocaine

Answer

Mepivacaine

Answer

Bupivacaine

Question 6

The use of which medication requires withholding before ESI due to risk of spinal hematoma?

Accepted Answer

Anticoagulants and antiplatelet agents

Answer

Acetaminophen

Answer

Selective serotonin reuptake inhibitors

Answer

Beta-blockers