Diabetes, thyroid, and hormone replacement drug classes with mechanism and one signature side effect per card.
About this set
36 mixed cards for USMLE Step 1 Pharmacology. Set 10 of 19 in USMLE Pharmacology. It opens with "What is the primary mechanism of action of metformin?" and "What serious adverse effect is linked to metformin, especially with renal". Study it alongside the other USMLE Step 1 sets below.
36 cards · mixed cards · AI-written, checked twice. Edit anything.
- What is the primary mechanism of action of metformin?
Show answer
Decreases hepatic gluconeogenesis
- What serious adverse effect is linked to metformin, especially with renal impairment?
Show answer
Lactic acidosis
- How do sulfonylureas such as glipizide and glyburide stimulate insulin release?
Show answer
They close ATP-sensitive potassium channels on pancreatic beta cells
- Because sulfonylureas stimulate insulin release regardless of glucose level, their most common adverse effect is ____.
Show answer
hypoglycemia
- Besides hypoglycemia, what other adverse effect is common with sulfonylureas?
Show answer
Weight gain
- Thiazolidinediones (e.g., pioglitazone) act as agonists at which nuclear receptor?
Show answer
PPAR-gamma
- What adverse effect makes thiazolidinediones risky in patients with heart failure?
Show answer
Fluid retention and edema
- What enzyme do DPP-4 inhibitors such as sitagliptin block?
Show answer
Dipeptidyl peptidase-4 (DPP-4)
- What potential adverse effect is associated with DPP-4 inhibitors?
Show answer
Pancreatitis
- What gastrointestinal side effect is most common with GLP-1 receptor agonists?
Show answer
Nausea and vomiting
- What is the mechanism of action of SGLT2 inhibitors such as empagliflozin?
Show answer
They block glucose reabsorption in the proximal convoluted tubule
- SGLT2 inhibitors can cause a rare complication called ____, where ketoacidosis occurs despite near-normal blood glucose.
Show answer
euglycemic diabetic ketoacidosis
- What is the mechanism of action of acarbose?
Show answer
Inhibits intestinal alpha-glucosidase, delaying carbohydrate absorption
- Besides hypoglycemia, what electrolyte abnormality can insulin therapy cause?
Show answer
Hypokalemia
- What hormone deficiency does levothyroxine treat?
Show answer
Hypothyroidism (thyroid hormone, T4, deficiency)