Pharmacology Drug Class Flashcards: Mechanisms, Uses & Safety Patterns
Study 126 cards on 30 common drug classes: mechanisms, qualified generic-name patterns, common uses, and major safety concepts for nursing and introductory health science.
About this deck
Build a durable pharmacology map with 126 independently authored cards. Six prerequisites define drug classes, mechanisms, agonism, antagonism, inhibition, and how to treat generic-name stems as fallible clues. The remaining 120 cards cover 30 common classes through four separate retrieval directions: class → core mechanism; qualified pattern or representative generics → class; class → common use; and class → major safety concept.
The deck deliberately excludes dosing, prescribing, patient-specific guidance, administration or hold parameters, exhaustive contraindications and interactions, monitoring protocols, brand names, official questions, and clinical cases. Generic-name patterns are clues, never universal rules. Use this deck for study—not clinical decision-making.
Ordering supports learning: prerequisites come first, then five spiral blocks mix six broad topic groups. Same-class variants stay at least three unrelated cards apart, alternating mechanism, recognition, common-use, and safety recall instead of forming predictable runs.
Open Study Contributor independently authored this standalone deck from common pharmacology knowledge checked against WHO, FDA, and NIH/NCBI sources. Organization names identify sources only; no affiliation or endorsement is claimed.
Cards in this deck
Card 1
Question
What is a drug class?
Answer
A group of drugs linked by a shared mechanism, target, structure, therapeutic use, or a combination of these features.
Card 2
Question
What does mechanism of action mean?
Answer
How a drug produces its effects at a molecular, cellular, or physiological target.
Card 3
Question
What is a receptor agonist?
Answer
A drug that binds to a receptor and activates it to produce a response.
Card 4
Question
What is a receptor antagonist?
Answer
A drug that binds to a receptor and blocks or reduces activation by an agonist.
Card 5
Question
What does it mean when a drug inhibits an enzyme or transporter?
Answer
It reduces that protein's activity, changing the movement or conversion of its usual substrates.
Card 6
Question
How should generic-name stems be used to recognize drug classes?
Answer
As clues, not universal rules. Confirm the actual drug because exceptions and overlapping stems exist.
Card 7
Question
ACE inhibitors: core mechanism?
Answer
They inhibit angiotensin-converting enzyme, reducing angiotensin II and aldosterone while increasing bradykinin.
Card 8
Question
SSRIs: core mechanism?
Answer
They inhibit the serotonin transporter, increasing serotonin signaling in the synaptic cleft.
Card 9
Question
Biguanides: core mechanism?
Answer
Metformin mainly reduces hepatic glucose production and improves insulin sensitivity without directly stimulating insulin release.
Card 10
Question
Penicillins: core mechanism?
Answer
Their beta-lactam ring binds penicillin-binding proteins and disrupts bacterial cell-wall synthesis.
Card 11
Question
Which class is often suggested by the ending -pril?
Answer
ACE inhibitors. Examples include lisinopril and enalapril, but a name stem is only a clue.
Card 12
Question
Proton-pump inhibitors: core mechanism?
Answer
They inhibit the H+/K+ ATPase proton pump in gastric parietal cells, strongly reducing acid secretion.
Card 13
Question
SSRIs: common uses?
Answer
Depression and several anxiety-related disorders; the approved indications differ by agent.
Card 14
Question
NSAIDs: core mechanism?
Answer
They inhibit cyclooxygenase enzymes, reducing prostaglandin synthesis.
Card 15
Question
Biguanides: major safety concepts?
Answer
Gastrointestinal effects are common; vitamin B12 can fall with long use, and lactic acidosis is rare but serious.
Card 16
Question
Which class is often suggested by the ending -cillin?
Answer
Penicillins, such as amoxicillin and piperacillin. The stem does not describe spectrum or resistance.
Card 17
Question
ACE inhibitors: common uses?
Answer
Hypertension and selected heart-failure, post-myocardial-infarction, and kidney-protection indications.
Card 18
Question
Proton-pump inhibitors: major safety concepts?
Answer
Possible concerns include hypomagnesemia and enteric infection risk. Many other long-term links are observational rather than proven causal effects.
Card 19
Question
Which class is often suggested by -oxetine or -opram?
Answer
SSRIs, but not universally. Sertraline and fluvoxamine are exceptions, and some stems overlap other classes.
Card 20
Question
NSAIDs: common uses?
Answer
Pain, inflammation, and fever; individual agents also have more specific uses.
Card 21
Question
Metformin belongs to which drug class?
Answer
Biguanides. Metformin is the main widely used member, so there is no useful class-wide suffix rule.
Card 22
Question
Penicillins: major safety concepts?
Answer
Hypersensitivity can range from rash to anaphylaxis; diarrhea and antibiotic-associated colitis are additional concerns.
Card 23
Question
ACE inhibitors: major safety concepts?
Answer
Cough, hyperkalemia, kidney-function changes, angioedema, and fetal harm are major class concerns.
Card 24
Question
Proton-pump inhibitors: common uses?
Answer
Acid-related disorders such as GERD, erosive esophagitis, and peptic-ulcer disease.
Card 25
Question
SSRIs: major safety concepts?
Answer
Serotonin syndrome, bleeding and hyponatremia risks, sexual dysfunction, and the antidepressant suicidality warning for younger people.
Card 26
Question
Ibuprofen, naproxen, and ketorolac belong to which class?
Answer
NSAIDs. The class has no single reliable generic-name suffix.
Card 27
Question
Biguanides: common use?
Answer
Type 2 diabetes.
Card 28
Question
Penicillins: common use?
Answer
Treatment of susceptible bacterial infections; the spectrum differs substantially among individual penicillins.
Card 29
Question
Which class is often suggested by the ending -prazole?
Answer
Proton-pump inhibitors, such as omeprazole and pantoprazole. Confirm the individual drug.
Card 30
Question
NSAIDs: major safety concepts?
Answer
Gastrointestinal bleeding, kidney injury, fluid retention, and cardiovascular events are key risks; FDA also warns about use from about 20 weeks of pregnancy.
Card 31
Question
Sulfonylureas: core mechanism?
Answer
They close ATP-sensitive potassium channels in pancreatic beta cells, triggering insulin release even when glucose is not high.
Card 32
Question
H2 blockers: core mechanism?
Answer
They competitively block histamine H2 receptors on gastric parietal cells, reducing acid secretion.
Card 33
Question
SNRIs: core mechanism?
Answer
They inhibit serotonin and norepinephrine reuptake transporters, increasing both transmitters in synapses.
Card 34
Question
Opioid analgesics: core mechanism?
Answer
They activate opioid receptors; many important analgesic effects and toxicities are mediated through mu receptors.
Card 35
Question
Glipizide, glyburide, and glimepiride belong to which class?
Answer
Sulfonylureas. Their names offer clues, but the broad ending -ide is not class-specific.
Card 36
Question
ARBs: core mechanism?
Answer
They block angiotensin II at AT1 receptors, reducing vasoconstriction and aldosterone effects.
Card 37
Question
H2 blockers: common uses?
Answer
Acid-related disorders such as heartburn, GERD, and gastric or duodenal ulcers.
Card 38
Question
Cephalosporins: core mechanism?
Answer
Their beta-lactam ring binds penicillin-binding proteins and disrupts bacterial cell-wall synthesis.
Card 39
Question
SNRIs: major safety concepts?
Answer
Serotonin syndrome, blood-pressure increases, discontinuation symptoms, and the antidepressant suicidality warning for younger people.
Card 40
Question
Morphine, oxycodone, and fentanyl belong to which broad class?
Answer
Opioid analgesics. The class has no single reliable generic-name suffix.
Card 41
Question
Sulfonylureas: common use?
Answer
Type 2 diabetes when increasing pancreatic insulin release is appropriate.
Card 42
Question
ARBs: major safety concepts?
Answer
Hyperkalemia, hypotension, kidney-function changes, and fetal harm are major concerns; cough is less common than with ACE inhibitors.
Card 43
Question
Which class is often suggested by the ending -tidine?
Answer
H2 receptor blockers, such as famotidine and cimetidine. Confirm the individual drug.
Card 44
Question
Cephalosporins: common use?
Answer
Treatment of susceptible bacterial infections; antibacterial spectrum varies widely by agent and generation.
Card 45
Question
Which name endings can suggest an SNRI?
Answer
-faxine or sometimes -oxetine, but neither is decisive. The -oxetine ending also appears in some SSRIs.
Card 46
Question
Opioid analgesics: major safety concepts?
Answer
Respiratory depression, sedation, constipation, tolerance, dependence, and overdose; benzodiazepines and other depressants increase danger.
Card 47
Question
Sulfonylureas: major safety concepts?
Answer
Hypoglycemia and weight gain are the main class patterns, with risk differing among agents and clinical contexts.
Card 48
Question
ARBs: common uses?
Answer
Hypertension and selected heart-failure and kidney-protection indications.
Card 49
Question
H2 blockers: major safety concepts?
Answer
They are usually well tolerated, but confusion or other CNS effects can occur with reduced clearance; cimetidine has many interactions.
Card 50
Question
Which class is often suggested by cef- or ceph-?
Answer
Cephalosporins, such as cefazolin and cephalexin. The name does not reveal the full spectrum.
Card 51
Question
SNRIs: common uses?
Answer
Depression and anxiety disorders; selected agents also treat neuropathic pain or fibromyalgia.
Card 52
Question
Opioid analgesics: common uses?
Answer
Analgesia for selected severe pain and perioperative settings; individual opioids also have other specific uses.
Card 53
Question
Which class is often suggested by the ending -sartan?
Answer
Angiotensin II receptor blockers, or ARBs. Examples include losartan and valsartan.
Card 54
Question
Cephalosporins: major safety concepts?
Answer
Hypersensitivity and antibiotic-associated diarrhea are important; penicillin cross-reactivity depends largely on similar side chains.
Card 55
Question
Beta2 agonists: core mechanism?
Answer
They activate beta2 receptors, increasing cAMP and relaxing airway smooth muscle.
Card 56
Question
Beta blockers: core mechanism?
Answer
They antagonize beta-adrenergic receptors; beta1 blockade can reduce heart rate, contractility, and renin release.
Card 57
Question
Systemic corticosteroids: core mechanism?
Answer
They bind intracellular glucocorticoid receptors and alter gene transcription, reducing inflammatory and immune signaling.
Card 58
Question
Benzodiazepines: core mechanism?
Answer
They positively modulate GABA-A receptors, increasing the frequency of chloride-channel opening when GABA is present.
Card 59
Question
Which class is often suggested by the ending -terol?
Answer
Beta2 agonist bronchodilators, such as formoterol and salmeterol. Albuterol is a familiar exception.
Card 60
Question
Macrolides: core mechanism?
Answer
They bind the bacterial 50S ribosomal subunit and inhibit protein synthesis.
Card 61
Question
Beta blockers: common uses?
Answer
Selected cardiovascular conditions such as arrhythmias, ischemic heart disease, heart failure, and hypertension; some agents have noncardiac uses.
Card 62
Question
GLP-1 receptor agonists: core mechanism?
Answer
They activate GLP-1 receptors, increasing glucose-dependent insulin release, suppressing glucagon, and slowing gastric emptying.
Card 63
Question
Systemic corticosteroids: major safety concepts?
Answer
Infection, hyperglycemia, osteoporosis, and hypothalamic-pituitary-adrenal suppression; risks rise with systemic exposure and duration.
126 cards
Pharmacology Drug Class Flashcards: Mechanisms, Uses & Safety Patterns
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Card 64
Question
Which endings often suggest a benzodiazepine?
Answer
-azepam or -azolam, as in diazepam or midazolam. Not every sedative with a similar ending belongs to this class.
Card 65
Question
Beta2 agonists: common use?
Answer
Bronchodilation in asthma or COPD regimens; short- and long-acting agents play different roles.
Card 66
Question
Macrolides: major safety concepts?
Answer
Gastrointestinal effects, QT prolongation, and clinically important interactions that vary by agent.
Card 67
Question
Which class is often suggested by the ending -olol?
Answer
Beta blockers, such as metoprolol and propranolol. Receptor selectivity still varies by agent.
Card 68
Question
GLP-1 receptor agonists: common uses?
Answer
Type 2 diabetes; selected agents are also approved for chronic weight management and cardiovascular-risk reduction.
Card 69
Question
Which patterns often suggest a systemic corticosteroid?
Answer
-sone or -olone, as in prednisone or prednisolone, but these endings are not unique to the class.
Card 70
Question
Benzodiazepines: major safety concepts?
Answer
Sedation, dependence and withdrawal, plus respiratory depression—especially with opioids, alcohol, or other CNS depressants.
Card 71
Question
Beta2 agonists: major safety concepts?
Answer
Tremor, palpitations or tachycardia, hypokalemia, and rare paradoxical bronchospasm.
Card 72
Question
Macrolides: common use?
Answer
Treatment of selected susceptible bacterial infections, including some respiratory and atypical pathogens.
Card 73
Question
Beta blockers: major safety concepts?
Answer
Bradycardia and hypotension; nonselective agents can cause bronchospasm, and the class can mask adrenergic signs of hypoglycemia.
Card 74
Question
Which class is often suggested by -glutide?
Answer
GLP-1 receptor agonists, such as semaglutide and liraglutide. Exenatide and lixisenatide show the pattern is not universal.
Card 75
Question
Systemic corticosteroids: common uses?
Answer
Inflammatory, allergic, and autoimmune disorders, with the route and agent chosen for the condition.
Card 76
Question
Benzodiazepines: common uses?
Answer
Anxiety, seizures, procedural sedation, or alcohol withdrawal, depending on the agent and setting.
Card 77
Question
Which class is often suggested by the ending -thromycin?
Answer
Macrolide antibiotics, such as azithromycin and clarithromycin. Confirm the individual agent.
Card 78
Question
GLP-1 receptor agonists: major safety concepts?
Answer
Gastrointestinal effects are common; gallbladder disease and pancreatitis are warnings, and some labels warn about thyroid C-cell tumors.
Card 79
Question
Second-generation antipsychotics: core mechanism?
Answer
Most modulate dopamine D2 and serotonin 5-HT2A signaling, but receptor profiles vary substantially by agent.
Card 80
Question
Tetracyclines: core mechanism?
Answer
They bind the bacterial 30S ribosomal subunit and inhibit protein synthesis.
Card 81
Question
Dihydropyridine calcium-channel blockers: core mechanism?
Answer
They block L-type calcium channels mainly in vascular smooth muscle, causing arteriolar relaxation.
Card 82
Question
Inhaled antimuscarinics: core mechanism?
Answer
They block airway muscarinic receptors, reducing vagal bronchoconstriction and promoting bronchodilation.
Card 83
Question
Which endings often suggest a second-generation antipsychotic?
Answer
-apine or -idone often appear, but many members use other endings and the stems are not class-specific.
Card 84
Question
SGLT2 inhibitors: core mechanism?
Answer
They inhibit renal sodium-glucose cotransporter 2, increasing urinary glucose and sodium excretion.
Card 85
Question
Tetracyclines: common uses?
Answer
Selected susceptible bacterial infections and, for some agents, acne or rosacea.
Card 86
Question
Bisphosphonates: core mechanism?
Answer
They bind bone mineral and inhibit osteoclast-mediated bone resorption.
Card 87
Question
Dihydropyridine calcium-channel blockers: major safety concepts?
Answer
Peripheral edema, flushing, headache, dizziness, and hypotension are characteristic patterns.
Card 88
Question
Which class is often suggested by the ending -tropium?
Answer
Inhaled antimuscarinic bronchodilators, such as ipratropium and tiotropium. Several class members use other endings.
Card 89
Question
Second-generation antipsychotics: common uses?
Answer
Schizophrenia and selected bipolar or other psychiatric indications; approvals differ by agent.
Card 90
Question
SGLT2 inhibitors: major safety concepts?
Answer
Genital infections, volume depletion, ketoacidosis, and rare necrotizing infection of the perineum.
Card 91
Question
Which class is often suggested by the ending -cycline?
Answer
Tetracycline antibiotics, such as doxycycline and minocycline. Confirm the individual drug.
Card 92
Question
Bisphosphonates: common uses?
Answer
Osteoporosis and selected disorders with excessive bone resorption, including Paget disease or malignancy-related bone disease.
Card 93
Question
Which class is often suggested by the ending -dipine?
Answer
Dihydropyridine calcium-channel blockers, such as amlodipine and nifedipine.
Card 94
Question
Inhaled antimuscarinics: major safety concepts?
Answer
Dry mouth, urinary retention, tachycardia, and eye exposure that may worsen narrow-angle glaucoma.
Card 95
Question
Second-generation antipsychotics: major safety concepts?
Answer
Metabolic effects, movement disorders, QT effects, and neuroleptic malignant syndrome; labels warn about increased mortality in elderly patients with dementia-related psychosis.
Card 96
Question
SGLT2 inhibitors: common uses?
Answer
Type 2 diabetes; selected agents also treat heart failure or chronic kidney disease.
Card 97
Question
Tetracyclines: major safety concepts?
Answer
Gastrointestinal or esophageal irritation, photosensitivity, and effects on developing teeth and bone are key patterns.
Card 98
Question
Which class is often suggested by the ending -dronate?
Answer
Bisphosphonates, such as alendronate and risedronate. Confirm the individual agent and formulation.
Card 99
Question
Dihydropyridine calcium-channel blockers: common uses?
Answer
Hypertension and angina, using vascular smooth-muscle relaxation to reduce arterial tone.
Card 100
Question
Inhaled antimuscarinics: common use?
Answer
Maintenance bronchodilation, especially in COPD; selected agents also serve as add-on asthma therapy.
Card 101
Question
Which class is often suggested by the ending -gliflozin?
Answer
SGLT2 inhibitors, such as empagliflozin and dapagliflozin.
Card 102
Question
Bisphosphonates: major safety concepts?
Answer
Upper-GI irritation with oral agents, hypocalcemia, and rare osteonecrosis of the jaw or atypical femur fracture.
Card 103
Question
TNF inhibitors: core mechanism?
Answer
They neutralize tumor necrosis factor signaling, reducing downstream inflammation.
Card 104
Question
DPP-4 inhibitors: core mechanism?
Answer
They inhibit DPP-4, prolonging endogenous incretin activity and increasing glucose-dependent insulin release.
Card 105
Question
Inhaled corticosteroids: core mechanism?
Answer
They activate glucocorticoid receptors in airway cells, reducing inflammatory gene expression and airway inflammation.
Card 106
Question
Statins: core mechanism?
Answer
They inhibit HMG-CoA reductase, reducing hepatic cholesterol synthesis and increasing hepatic LDL-receptor activity.
Card 107
Question
Adalimumab, infliximab, and etanercept belong to which class?
Answer
TNF inhibitors. The class has no single specific shared suffix: -mab is broad, and etanercept ends in -cept.
Card 108
Question
Triptans: core mechanism?
Answer
They activate serotonin 5-HT1B/1D receptors, reducing trigeminal signaling and causing cranial vasoconstriction.
Card 109
Question
DPP-4 inhibitors: common use?
Answer
Type 2 diabetes, using enhanced endogenous incretin signaling to improve glucose-dependent insulin release.
Card 110
Question
Fluoroquinolones: core mechanism?
Answer
They inhibit bacterial DNA gyrase and topoisomerase IV, disrupting DNA replication.
Card 111
Question
Inhaled corticosteroids: major safety concepts?
Answer
Oral candidiasis and dysphonia are important local effects; systemic effects become more relevant with higher exposure.
Card 112
Question
Which class is suggested by the ending -statin?
Answer
HMG-CoA reductase inhibitors, or statins, such as atorvastatin and rosuvastatin.
Card 113
Question
TNF inhibitors: common uses?
Answer
Selected autoimmune inflammatory diseases, including rheumatoid arthritis, inflammatory bowel disease, and psoriasis-related conditions.
Card 114
Question
Triptans: major safety concepts?
Answer
Vasoconstrictive risk in coronary, cerebrovascular, or peripheral vascular disease, plus tingling, flushing, or chest pressure called triptan sensations.
Card 115
Question
Which class is suggested by the ending -gliptin?
Answer
DPP-4 inhibitors, such as sitagliptin and linagliptin.
Card 116
Question
Fluoroquinolones: common use?
Answer
Selected serious or resistant bacterial infections when their spectrum and risk profile fit the infection.
Card 117
Question
Which patterns often suggest an inhaled corticosteroid?
Answer
-sonide or -sone often appear, as in budesonide or fluticasone, but these endings are not class-specific.
Card 118
Question
Statins: major safety concepts?
Answer
Muscle symptoms and rare rhabdomyolysis or liver injury; pregnancy is a major risk context, although FDA no longer applies a blanket class contraindication.
Card 119
Question
TNF inhibitors: major safety concepts?
Answer
Serious infections and reactivation of tuberculosis or hepatitis B are central concerns; other warnings vary by agent.
Card 120
Question
Triptans: common use?
Answer
Acute treatment of migraine attacks; they are not general-purpose analgesics or routine migraine preventives.
Card 121
Question
DPP-4 inhibitors: major safety concepts?
Answer
Severe joint pain and pancreatitis are warnings; some agents also carry a heart-failure warning.
Card 122
Question
Which class is suggested by the ending -floxacin?
Answer
Fluoroquinolone antibiotics, such as ciprofloxacin and levofloxacin.
Card 123
Question
Inhaled corticosteroids: common use?
Answer
Controller therapy for asthma and selected COPD regimens; they reduce inflammation rather than acting as standalone rescue bronchodilators.
Card 124
Question
Statins: common uses?
Answer
Lowering LDL cholesterol and reducing atherosclerotic cardiovascular risk.
Card 125
Question
Which class is suggested by the ending -triptan?
Answer
Triptan antimigraine agents, such as sumatriptan and rizatriptan.
Card 126
Question
Fluoroquinolones: major safety concepts?
Answer
Potentially disabling tendon, muscle, joint, nerve, and CNS effects, plus a rare risk of aortic aneurysm or rupture in susceptible people.
126 cards
Pharmacology Drug Class Flashcards: Mechanisms, Uses & Safety Patterns
Flashcards opens so you can start studying.