Diabetes Education Certification Oral & Injectable Medications 3

Question 1

Which type of insulin has the longest duration of action and is typically administered once daily?

Accepted Answer

Insulin glargine (U-100)

Answer

Insulin glargine (Lantus) provides a peakless, steady 24-hour basal insulin profile when injected once daily.

Question 2

Thiazolidinediones (TZDs) are contraindicated in patients with which condition?

Accepted Answer

NYHA Class III or IV heart failure

Answer

TZDs cause fluid retention and are contraindicated in moderate-to-severe heart failure (NYHA Class III/IV) due to risk of worsening edema.

Question 3

When teaching insulin injection technique, what is the recommended needle insertion angle for a standard adult with average BMI using a 4–5 mm pen needle?

Accepted Answer

90 degrees

Answer

Short pen needles (4–5 mm) can be injected at 90 degrees in most adults without risk of intramuscular injection.

Question 4

Which oral agent should be held 48 hours before iodinated contrast administration?

Accepted Answer

Metformin

Answer

Metformin is held before contrast dye due to risk of acute kidney injury, which could lead to metformin accumulation and lactic acidosis.

Question 5

A patient using rapid-acting insulin analog should inject it at what time relative to meals?

Accepted Answer

0–15 minutes before or immediately after starting a meal

Answer

Rapid-acting analogs (lispro, aspart, glulisine) have a rapid onset and should be given just before or at the start of a meal.

Diabetes Practice Test

Diabetes Practice Test

Diabetes Education Certification Oral & Injectable Medications 3