Systems Pharmacology Flashcards

(114 cards)

1
Q

What is the MOA of amiodarone?

A

Blocks IK,INa, ICa-L channels and β adrenoreceptor which prolongs AP duration and QT interval

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2
Q

What is the MOA of aspirin?

A

Irreversibliy inhibitis cyclooxygenase 1 and 2 enzyme by covalent acetylation which decreases synthesis of thromboxane A2 (TXA2) and prostaglandins

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3
Q

What is the MOA of atropine?

A

Nonselective competitive muscarinic antagonist

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4
Q

What is the MOA of captopril?

A

Prototype ACE inhibitor; Inhibits angiotensin-converting enzyme (ACE) in the lungs thereby reducing conversion of angiotensin I to angiotensin II and increasing bradykinin

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5
Q

What is the MOA of cefuroxime?

A

Second-generation cephalosporin; β-lactam that binds to penicillin binding protein which inhibits cell wall synthesis; more resistant to β-lactamase activity

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6
Q

What is the MOA of chloramphenicol?

A

Blocks peptidyltransferase at 50S ribosomal subunit preventing bacterial protein synthesis; Bacteriostatic

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7
Q

What is the MOA of cimetidine?

A

Prototype H2 antagonist; Reversibly blocks histamine H2 receptors

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8
Q

What is the MOA of ciprofloxacin?

A

Flouroquinolone; Inhibits DNA replication by binding to DNA gyrase (topoisomerase II) and topoisomerase IV; Bacteriacidal

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9
Q

What is the MOA of clonidine?

A

Centrally acting selective α2 adrenoreceptor agonist; Inhibits adenylyl cyclase reducing central sympathetic outflow

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10
Q

What is the MOA of cotrimoxazole?

A

Trimethoprim-sulfonamide (TMP-SMX); Inhibits dihydropteroate reductase and synthase decreasing folate acid synthesis; Bacteriostatic

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11
Q

What is the MOA of cromolyn sodium?

A

Alters function of delayed Cl channels; Inhibits inflammatory cell activation

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12
Q

What is the MOA of diazepam?

A

Prototype benzodiazepine; Binds and potentiates GABA-A receptor at CNS neuronal synapses facilitating frequency of GABA-mediated Cl channel opening thereby enhancing membrane hyperpolarization

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13
Q

What is the MOA of diphendydramine?

A

Prototype first-generation H1 antagonist; Reversibly blocks histamine H1 receptors

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14
Q

What is the MOA of dobutamine?

A

Selective β1 adrenoreceptor agonist; Activates adenylyl cyclase increasing myocardial contractility; Desensitization occurs

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15
Q

What is the MOA of digoxin?

A

Na/K-ATPase inhibition results in reduces Ca expulsion and increased Ca stored in sarcoplasmic reticulum

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16
Q

What is the MOA of enalapril?

A

Inhibits angiotensin-converting enzyme (ACE) in the lungs thereby reducing conversion of angiotensin I to angiotensin II and increasing bradykinin

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17
Q

What is the MOA of epinephrine?

A

Nonselective α and β adrenoreceptor agonist

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18
Q

What is the MOA of esomeprazole?

A

New-generation proton pump inhibitor; Irreversiblity inhibits H/K-ATPase pump in stomach parietal cells

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19
Q

What is the MOA of furosemide?

A

Loop diuretic; Blocks Na/K/2Cl transporter in the thick ascending limb of the loop of Henle decreasing NaCl and KCl reabsorption

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20
Q

What is the MOA of glipizide?

A

Sulfonylurea; Stimulates insulin release of β pancreatic cells by closing K channels; Insulin secratagogue

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21
Q

What is the MOA of hydrochlorothiazide?

A

Thiazide diuretic; Blocks Na/Cl transporter in renal distal convoluted tubule decreasing NaCl reabsorption

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22
Q

What is the MOA of hydrocortisone?

A

Alters gene expression; Decrease production of leukotrienes and prostaglandins by inhibiting phospholipase A2 and expression of COX-2

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23
Q

What is the MOA of insulin?

A

Activates insulin receptor

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24
Q

What is the MOA of loratidine?

A

Prototype second-generation H1 antagonist; Reversibly blocks histamine H1 receptors

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25
What is the MOA of mebendazole?
Inhibits microtubule synthesis
26
What is the MOA of Metformin?
Reduces hepatic and renal gluconeogenesis
27
What is the MOA of Nifedipine?
Blocks vascular L-type Ca cahnnels
28
What is the MOA of omeprazole?
Prototype first-generation proton pump inhibitor; Irreversiblity inhibits H/K-ATPase pump in stomach parietal cells
29
What is the MOA of ondansentron?
5-HT3 antagonist in gut and CNS
30
What is the MOA of oxacillin?
β-lactam that binds to penicillin binding protein which inhibits cell wall synthesis
31
What is the MOA of phenobarbital?
Prototype barbiturate; Binds and enhances phasic GABA-A receptor at CNS neuronal synapsesincreasing duration of GABA-mediated Cl channel opening thereby enhancing membrane hyperpolarization
32
What is the MOA of prazosin?
Prototype selective α1 adrenoreceptor antagonist
33
What is the MOA of prednisone?
Alters gene expression; may trigger apoptosis
34
What is the MOA of propranolol?
Prototype nonselective β adrenoreceptor antagonist (β1 and β2)
35
What is the MOA of ranitidine?
New-generation H2 antagonist; Reversibly blocks histamine H2 receptors
36
What is the MOA of salbutamol?
Short-acting selective β2 adrenoreceptor agonist
37
What is the MOA of spironolactone?
K-sparing diuretic; Blocks aldosterone receptor in renal collecting tubule and androgen receptor (weak)
38
What is the MOA of terbutaline?
Selective β2 adrenoreceptor agonist
39
What are the clinical indications of amiodarone?
Serious ventricular arrhythmia Supraventricular arrhythmia (Class III anti-arrhythmic)
40
What are the clinical indications of aspirin?
Antipyretic Analgesic Anti-inflammatory Antiplatelet
41
What are the clinical indications of atropine?
``` Retinal examination (mydiasis and cycloplegia) Prevent synechiae after surgery Antidote for severe cholinesterase inhibitor poisoning ```
42
What are the clinical indications of captopril?
Hypertension Heart failure Diabetes
43
What are the clinical indications of cefuroxime?
``` Gram-positive cocci Haemophilus influenzae Enterobacter Neisseria spp. Proteus mirabilis Escherichia coli Klebsiella pneumoniae Serratia marcescens ```
44
What are the clinical indications of chloramphenicol?
``` Typhoid fever (Salmonella typhi) Meningitis or epiglottitis (Haemophilus influenzae) ```
45
What are the clinical indications of cimetidine?
Peptic ulcer GERD Erosive gastritis
46
What are the clinical indications of ciprofloxacin?
Gram-negative rod of urinary and GI infections
47
What are the clinical indications of clonidine?
Hypertension
48
What are the clinical indications of cotrimoxazole?
UTI Acute otitis media Traveler's diarrhea Pneumocystis carinii prophylaxis in immunocompromised hosts
49
What are the clinical indications of cromolyn sodium?
Asthma
50
What are the clinical indications of diazepam?
Muscle relaxation Intractable seizure disorders Anxiety disorders Insomnia and other sleep disorders
51
What are the clinical indications of diphenhydramine?
Allergies Sedative Antiemetic Antimotion sickness
52
What are the clinical indications of dobutamine?
Acute decompensated heart failure | Cardiogenic shock
53
What are the clinical indications of digoxin?
Chronic symptomatic heart failure | Rapid ventricular rate in atrial fibrillation
54
What are the clinical indications of enalapril?
Hypertension Heart failure Diabetes
55
What are the clinical indications of epinephrine?
Anaphylaxis Asthma (rare) Open-angle glaucoma Hypotension
56
What are the clinical indications of esomeprazole?
Peptic ulcer GERD Erosive gastritis
57
What are the clinical indications of furosemide?
Severe hypertension (especially emergencies) Heart failue Edematous conditions (pulmonary, peripheral) Hypercalcemia Hyperkalemia Acute renal failure Anion overdose
58
What are the clinical indications of glipizide?
Type 2 diabetes
59
What are the clinical indications of hydrochlorothiazide?
``` Hypertension Mild heart failure Hypercalciuria Nephrolithiasis Nephrogenic diabetic insipidus ```
60
What are the clinical indications of hydrocortisone?
``` Addison's disease Inflammation Immune suppression Asthma Anaphylaxis ```
61
What are the clinical indications of insulin?
Type 1 and 2 diabetes
62
What are the clinical indications of loratidine?
Allergies
63
What are the clinical indications of mebendazole?
``` Asaris Trichuris Hookworm Pinworm Capillaria ```
64
What are the clinical indications of metformin?
Type 2 diabetes
65
What are the clinical indications of nifedipine?
Hypertension | Angina
66
What are the clinical indications of omeprazole?
Peptic ulcer GERD Erosive gastritis
67
What are the clinical indications of ondansentron?
First-line agents in cancer chemotherapy emesis | Useful also in postop emesis
68
What are the clinical indications of oxacillin?
Staphylococcus aureus
69
What are the clinical indications of phenobarbital?
Seizure disorders
70
What are the clinical indications of prazosin?
Hypertension | Benign prostatic hyperplasia
71
What are the clinical indications of prednisone?
``` Cancer chemotherapy Chronic lymphocytic leukemia Non-Hodgkin's lymphoma Immunosuppresant Asthma controller ```
72
What are the clinical indications of propranolol?
``` Hypertension Angina Atrial arrhythmia Migraine Hyperthyroidism Prevention of recurrent infarction and sudden death ```
73
What are the clinical indications of ranitidine?
Peptic ulcer GERD Erosive gastritis
74
What are the clinical indications of salbutamol?
Asthma and COPD reliever
75
What are the clinical indications of spironolactone?
``` Aldosteronism (cirrhosis and adrenal tumor) Heart failure Nephrotic syndrome Hypertension Hypokalemia due to diuretics Postmyocardial infarction ```
76
What are the clinical indications of terbutaline?
Prolong gestation in premature labor cases
77
What are the AE of amiodarone?
``` Bradycardia Heart block in diseased heart Peripheral vasodilation Pulmonary and hepatic toxicity Hyper or hypothyroidism ```
78
What are the AE of aspirin?
Gastric ulcer Tinnitus Reye's syndrome in children Acute renal failure, interstitial nephritis and upper GI bleeding (chronic use) Respiratory alkalosis and metabolic acidosis (overdose)
79
What are the AE of atropine?
``` Increased intraoccular pressure in closed-angle glaucoma Muscle weakness (overdose) ```
80
What are the AE of captopril?
``` Cough Angiodema Hyperkalemia Renal impairment Tertogenicity ```
81
What are the AE of cefuroxime?
Hypersensitivity reactions | Vitamin K deficiency
82
What are the AE of chloramphenicol?
Gray baby syndrome Dose-related anemia Idiosyncratic aplastic anemia
83
What are the AE of cimetidine?
``` Potent inhibitor of cytochrom P450 Decrease renal excretion of creatinine Diarrhea Dizziness Rashes Headache Confusion Somnolence Decreased libido Impotence Gynecomastia Blood dyscrasia, hepatotoxicity and nephrotoxicity (rare) ```
84
What are the AE of ciprofloxacin?
``` GI upset Skin rashes Neurotoxicity Tendonitis Pregnancy contraindicated Cartilage damage in children Prolonged QT interval ```
85
What are the AE of clonidine?
Dry mouth Sedation Orthostatic hypotension REbound hypertension
86
What are the AE of cotrimoxazole?
``` Hypersensitivity reactions Hemolysis (G6PD deficient) Nephrotoxicity Photosensitivity Kernicterus in infants Megaloblastic anemia Leukopenia Granulocytopenia ```
87
What are the AE of cromolyn sodium?
Cough
88
What are the AE of diazepam?
Extension of CNS depressant effects Dependence liability Sedation
89
What are the AE of diphenhydramine?
Sedation Muscarinic blockade symptoms Orthostatic hypotension
90
What are the AE of dobutamine?
Arrhytmia
91
What are the AE of digoxin?
Nausea Vomitting Diarrhea Arrhythmia
92
What are the AE of enalapril?
``` Cough Angiodema Hyperkalemia Renal impairment Tertogenicity ```
93
What are the AE of epinephrine?
``` Tremor Tachycardia Nausea Vomitting Headache Dizziness ```
94
What are the AE of esomeprazole?
Increased risk of Clostridium difficile infection | Hip fractures
95
What are the AE of furosemide?
``` Hypovolemia Hypokalemia Hypomagnesia Hyperuricemia Orthostatic hypotension Ototoxicity Sulfonamide allergy ```
96
What are the AE of glipizide?
Hypoglycemia | Weight gain
97
What are the AE of hydrochlorothiazide?
``` Hyponatremia Hypokalemia Hyperglycemia Hyperlipidemia Hyperuricemia Hypercalcemia Sulfonamide allergy Metabolic alkalosis ```
98
What are the AE of hydrocortisone?
``` Iatrogenic Cushing's syndrome Adrenal insufficiency (abrupt stop after chronic use) ```
99
What are the AE of insulin?
Hypoglycemia Weight gain Lipodystrophy (rare)
100
What are the AE of loratidine?
Less sedation than first-generation H1 antgonist
101
What are the AE of mebendazole?
``` Nausea Vomitting Diarrhea Abdominal pain Hypersensitivity reactions Agranulocytosis Alopecia Elevation of liver enzymes ```
102
What are the AE of metformin?
GI symptoms Lactic acidosis (rare) Weight loss
103
What are the AE of nifedipine?
Excessive hypotension | Baroreceptor reflex tachycardia
104
What are the AE of omeprazole?
Increased risk of Clostridium difficile infection | Hip fractures
105
What are the AE of ondansentron?
Headache | Constipation
106
What are the AE of oxacillin?
Hypersensitivity reactions | Interstitial nephritis
107
What are the AE of phenobarbital?
``` Extension of CNS depressant effects Greater dependence liability Sedation Cognitive issues Ataxia Hyperactivity ```
108
What are the AE of prazosin?
Orthostatic hypertensions (first dose)
109
What are the AE of prednisone?
``` Cushing-like symptoms Immunosuppresion Cataracts Acne Osteoporosis Hypertension Peptic ulcer Hyperglycemia Psychosis ```
110
What are the AE of propranolol?
``` Bradycardia Worsened asthma Fatigue Vivid dreams Cold hands AV block Acute heart failure Sedation ```
111
What are the AE of ranitidine?
``` Decrease renal excretion of creatinine Diarrhea Dizziness (less than cimetidine) Rashes Headache (less than cimetidine) Confusion (less than cimetidine) Somnolence (less than cimetidine) Decreased libido (less than cimetidine) Impotence (less than cimetidine) Gynecomastia (less than cimetidine) Blood dyscrasia, hepatotoxicity and nephrotoxicity (rare) ```
112
What are the AE of salbutamol?
Tremor | Tachycardia
113
What are the AE of spironolactone?
``` Hyperkalemia Antiandrogen effect (gynecomastia) ```
114
What are the AE of terbutaline?
``` Hypotension β1 stimulated reflex tachycardia Arrhytmia Pulmonary edema Bradycardia with abrupt withdrawal Nausea Headcahe Muscle tremor ```