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Questions and Answers

What is a common side effect of ACE inhibitors?

  • Cough (correct)
  • Diarrhea
  • Why do ACE inhibitors cause a cough?

    ACE inhibitors cause a cough due to the accumulation of bradykinin, a peptide normally broken down by the angiotensin-converting enzyme. Elevated bradykinin levels stimulate sensory nerves in the respiratory tract and promote mild airway inflammation, leading to a persistent dry cough in some patients. Switching to angiotensin receptor blockers (ARBs), which do not affect bradykinin, may alleviate this side effect.

    What are some side effects of vasodilators?

  • Reflex tachycardia
  • Fluid retention
  • Headache, dizziness, weakness, fatigue (due to sudden decrease of BP)
  • All of the above (correct)
  • What is the mechanism of action of spironolactone?

    <p>Spironolactone blocks receptors of aldosterone. It retains potassium while excreting Na and water. It causes a smaller degree of diuresis, resulting in modest hypotensive effects.</p> Signup and view all the answers

    What is an x-waiver for prescribing medication? What law allows NPs to prescribe medication without an x-waiver?

    <p>X-waiver was a special authorization required for healthcare providers to prescribe buprenorphine to treat opioid use disorder (OUD). This waiver, mandated by the Drug Addiction Treatment Act of 2000 (DATA 2000), necessitated additional training and certification. Section 1262 of the Consolidated Appropriations Act of 2023 removed the federal requirement for practitioners to have x-waiver to prescribe medications.</p> Signup and view all the answers

    What is required to obtain a furnishing license in California for a nurse practitioner?

    <p>All of the above</p> Signup and view all the answers

    What are the DEA requirements for controlled substances prescriptions?

    <p>All of the above</p> Signup and view all the answers

    What are the 2 categories that expand nurse practitioner (NP) practice authority in California? (Select all that apply).

    <p>104 NP</p> Signup and view all the answers

    What is CURES?

    <p>The California Prescription Drug Utilization Review and Evaluation System (CURES) is a program that helps to prevent prescription drug abuse. Healthcare providers are required to consult CURES before prescribing Schedule II–IV drugs for the first time and every 4 months for ongoing treatment.</p> Signup and view all the answers

    Which of these options are scheduled II controlled substances? (Select all that apply)

    <p>Opioids: Dilaudid, morphine, oxycodone, hydrocodone, fentanyl</p> Signup and view all the answers

    What are some common side effects of opioid use? (Select all that apply)

    <p>CNS: sedation, drowsiness</p> Signup and view all the answers

    What is the difference between HDL cholesterol and LDL cholesterol? (Select all that apply)

    <p>LDL cholesterol: only 50% is absorbed by liver, rest goes to peripheral cells</p> Signup and view all the answers

    When to start screening pediatric patients for hyperlipidemia? (Select all that apply)

    <p>At-risk children and adolescents: between 2 and 8 years</p> Signup and view all the answers

    What is the mechanism of action of statins?

    <p>Statins block the enzyme HMG-CoA reductase, reducing cholesterol production in the liver.</p> Signup and view all the answers

    What are the common side effects of statins? (Select all that apply)

    <p>Hepatotoxicity</p> Signup and view all the answers

    What anti-cholesterol medication is contraindicated in pregnancy?

    <p>Statins</p> Signup and view all the answers

    What is the mechanism of action of nitroglycerin? (Select all that apply)

    <p>Dilates peripheral arteries, veins, and coronary arteries.</p> Signup and view all the answers

    What is BNP and why is it measured?

    <p>BNP (B-Type Naturiuretic Peptide) is a polypeptide secreted by the heart's ventricles in response to excessive stretching or wall tension, often due to worsening heart failure. It provides an objective measure of cardiac function and is a strong predictor of risk for death and cardiovascular events in heart failure patients. The normal range is &lt;100 pg/mL.</p> Signup and view all the answers

    What is the first, second, and third line of treatment for an individual with heart failure? (Select all that apply)

    <p>ARB, beta blocker, aldosterone agonist, diuretic, and digoxin</p> Signup and view all the answers

    Which beta blockers are used for heart failure? (Select all that apply)

    <p>Carvedilol (coreg)</p> Signup and view all the answers

    How to manage excessive Warfarin anticoagulation (INR)? Select the answers that best describe each level of INR

    <p>INR &gt; 10</p> Signup and view all the answers

    For newer anticoagulants, Pradaxa, Xarelto, Eliquis: What baseline labs are needed? (Select all that apply)

    <p>Renal Function: Creatinine, eGFR (dose adjustments needed for renal impairment). Hepatic Function: ALT, AST, bilirubin (important for rivaroxaban and apixaban). CBC: Monitor for anemia or thrombocytopenia.</p> Signup and view all the answers

    Which lab test is used to monitor therapeutic levels of heparin?

    <p>aPTT</p> Signup and view all the answers

    Which anticoagulant is most appropriate as the first-line treatment for the following conditions?

    <p>Pulmonary Embolism (PE) / Deep Vein Thrombosis (DVT): Heparin (followed by oral anticoagulants like warfarin or DOACs for long-term management)</p> Signup and view all the answers

    What are the classic signs of thalassemia?

    <p>Classic signs: fatigue, weakness, pallor, shortness of breath</p> Signup and view all the answers

    What are the classic signs of B12 deficiency (pernicious) anemia?

    <p>Gastric mucosal atrophy, neurologic changes (paranoia, dementia, confusion, delirium), yellow-blue color blindness, fatigue, weakness.</p> Signup and view all the answers

    What are the differences between positive and negative inotropic and chronotropic medications and their effects on cardiac contractility?

    <p>Inotropic Medications: Affect cardiac contractility</p> Signup and view all the answers

    What is a hallmark side effect associated with amiodarone regarding skin that may concern patients?

    <p>Blue-gray skin discoloration</p> Signup and view all the answers

    What happens at each phase in the phases of action potential in a myocardial cell? (Select all that apply)

    <p>Phase 0: Rapid depolarization from sodium influx</p> Signup and view all the answers

    How do nitrates reduce cardiac workload and improve symptoms in patients with angina? (Select all that apply)

    <p>Nitrates are converted to nitric oxide, which causes vasodilation. This reduces preload (venous return to the heart) and afterload (arterial resistance), lowering cardiac workload and oxygen demand. This mechanism helps relieve angina symptoms.</p> Signup and view all the answers

    What are the modifiable and non-modifiable risk factors for hyperlipidemia? (Select all that apply)

    <p>Modifiable Risk Factors: Include lifestyle factors such as poor diet, physical inactivity, obesity, and smoking, which can be changed to manage hyperlipidemia.</p> Signup and view all the answers

    What are the adverse effects of Fibric Acid Derivatives? (Select all that apply)

    <p>GI disturbances, gallstones, myopathy</p> Signup and view all the answers

    What risk factors are used when calculating a 10 year ASCVD risk assessment score? (Select all that apply)

    <p>The 10-year ASCVD Risk Score uses factors such as age, gender, race, total cholesterol, HDL cholesterol, blood pressure (treated or untreated), diabetes status, and smoking status to estimate the likelihood of a cardiovascular event in the next 10 years.</p> Signup and view all the answers

    What is the mechanism of action of digoxin?

    <p>Digoxin inhibits the sodium-potassium ATPase pump. Indirectly leads to accumulation of intracellular calcium, causing increased myocardial contractility.</p> Signup and view all the answers

    What is the mechanism of action of aspirin on the blood?

    <p>Aspirin inhibits platelet activation through irreversible enzyme antagonism to block prostaglandin synthesis.</p> Signup and view all the answers

    What is the clinical presentation of aplastic anemia, and how is it treated?

    <p>Aplastic anemia treatments: Mild cases treated with supportive care. RBC transfusions and platelets given as necessary.</p> Signup and view all the answers

    What are the different types of pain receptors and how do they work?

    <p>Thermal Nociceptors:</p> Signup and view all the answers

    Explain the schedules of controlled substances and their characteristics?

    <p>Schedule IV: Low abuse potential, accepted medical use (e.g., benzodiazepines)</p> Signup and view all the answers

    How is pain transmitted in the body through the nociceptors? (Select all that apply)

    <p>When activated, nociceptors generate electrical signals (action potentials). These signals travel along sensory nerve fibers (Ad fibers for sharp, acute pain; C fibers for dull, throbbing pain) to the spinal cord and brain. The brain processes these signals, resulting in the perception of pain and initiating protective responses.</p> Signup and view all the answers

    What are the signs and symptoms of opioid overdose and how is it managed? (Select all that apply)

    <p>Miosis</p> Signup and view all the answers

    What is the mechanism of action of barbiturates?

    <p>This hyperpolarizes the neuron, making it less likely to fire and leading to CNS depression.</p> Signup and view all the answers

    What are the risk factors for hypertension? (Select all that apply)

    <p>Excessive sodium and low potassium intake</p> Signup and view all the answers

    Study Notes

    ACE Inhibitors Side Effects

    • Common side effect: cough
    • Cause: Accumulation of bradykinin, a peptide normally broken down by angiotensin-converting enzyme.
    • Elevated bradykinin levels stimulate nerves in the respiratory tract, causing inflammation and persistent dry cough.
    • Alternative: Angiotensin receptor blockers (ARBs) may help alleviate the cough as they don't affect bradykinin.

    Vasodilators Side Effects

    • Side effects: Arterial smooth muscle relaxation leading to decreased blood pressure (BP).
    • Reflex tachycardia
    • Fluid retention
    • Headache, dizziness, weakness, fatigue

    Spironolactone Mechanism of Action

    • Blocks aldosterone receptors.
    • Retains potassium, excretes sodium and water.
    • Causes a modest hypotensive effect.
    • Smaller degree of diuresis.

    X-Waivers for Prescribing Medication

    • X-waiver: Special authorization for prescribing buprenorphine to treat opioid use disorder (OUD).
    • DATA 2000: Act mandating additional training and certification for providers.
    • Section 1262 of the Consolidated Appropriations Act of 2023 removed federal requirement for x-waiver.

    Obtaining a California Furnishing License

    • Complete an accredited pharmacology course.
    • Active furnishing number.
    • Register with the DEA.
    • Follow standardized procedures.

    DEA Requirements for Controlled Substances

    • Full patient name and address.
    • Prescriber's full name, address, and DEA number.
    • Drug name, strength, dosage form, and quantity (written and numerical).
    • Directions for use.
    • Date and signature.
    • Refills allowed: Schedule II (no refills), Schedule III and IV (up to 5 refills within 6 months), Schedule V (refills depend on prescriber).

    CURES (Controlled Substance Utilization Review and Evaluation System)

    • California prescription drug monitoring program.
    • Helps fight opioid epidemic.
    • Encourages responsible prescribing.
    • Providers must consult CURES before prescribing Schedule II–IV drugs for the first time and every 4 months for ongoing treatment.

    Scheduled II Controlled Substances

    • Opioids (Dilaudid, morphine, oxycodone, hydrocodone, fentanyl).
    • Stimulants (Adderal, Ritalin, methamphetamine).

    Opioid Side Effects

    • Central Nervous System (CNS): sedation, drowsiness
    • Gastrointestinal (GI): nausea, constipation
    • Respiratory: respiratory depression
    • Cardiovascular: hypotension
    • Dermatological: itching, sweating
    • Genitourinary (GU): urinary retention

    HDL vs. LDL Cholesterol

    • LDL: 50% absorbed by liver, remaining to peripheral cells.
    • HDL: Produced in liver and intestine, removes LDL from peripheral cells

    Pediatric Hyperlipidemia Screening

    • At-risk children and adolescents: between 2 and 8 years old.
    • Family history of hyperlipidemia or heart disease.
    • Personal risk factors (obesity, diabetes, hypertension).
    • All children between ages 9 and 11 and another screening ages 18 and 21 years

    Statin Mechanism of Action

    • Blocks HMG-CoA reductase to reduce cholesterol production in the liver.
    • Leads to increased uptake of LDL.

    Statin Side Effects

    • Gastrointestinal disturbances
    • Headaches
    • Muscle pain (myalgia), possibly myopathy.
    • Liver problems (hepatotoxicity).

    Contraindicated Anti-Cholesterol Medication in Pregnancy

    • Statins

    Nitroglycerin Mechanism of Action

    • Dilates peripheral arteries, veins, and coronary arteries.
    • Reduced blood return to the heart, decreasing workload.
    • Increased blood flow and oxygen supply to the myocardium.

    BNP (B-type Natriuretic Peptide)

    • Polypeptide secreted by heart ventricles in response to stretching or wall tension (often heart failure).
    • Useful for assessing cardiac function and predicting risk.
    • Normal range: less than 100 pg/mL.

    Heart Failure Treatment Lines

    • Ace-I, ARB, or ARNI (with or without diuretic).
    • ACE-I, ARB, ARNi with beta blocker (with a diuretic).
    • ARB, beta-blocker, aldosterone agonist, diuretic, and digoxin.

    Managing Excessive Warfarin Anticoagulation

    • INR < 4.5: hold warfarin if no bleeding.
    • INR 4.5–10: hold warfarin, vitamin K PO or IV, life-threatening bleeding: hold warfarin, vitamin K IV, and FFP.
    • INR > 10: hold warfarin, vitamin K IV, repeat vitamin K every 6–24 hours, life-threatening bleeding – hold warfarin, vitamin K IV and FFP.

    Heparin Side Effects

    • Bleeding
    • Hypersensitivity
    • Thrombocytopenia
    • Osteoporosis
    • Alopecia
    • Hyperkalemia

    Heparin Lab Test

    • Activated partial thromboplastin time (aPTT)

    Anticoagulant First-Line Treatment

    • Pulmonary Embolism (PE) or Deep Vein Thrombosis (DVT): Heparin, followed by oral anticoagulants (warfarin, DOACs).
    • Transient Ischemic Attack (TIA): Aspirin.
    • Atrial Fibrillation (A-fib): Warfarin, Apixaban, or other DOACs for stroke prevention.
    • Myocardial Infarction (MI): Aspirin and Clopidogrel.

    Thalassemia Classic Signs

    • Fatigue, weakness, pallor, shortness of breath.

    B12 Deficiency Anemia Classic Signs

    • Gastric mucosal atrophy, neurologic changes (paranoia, dementia, confusion, delirium), yellow-blue color blindness, fatigue, weakness.

    Inotropic and Chronotropic Medications

    • Positive inotropes: Increase contractility (e.g., digoxin, dobutamine for heart failure).
    • Negative inotropes: Decrease contractility (e.g., beta-blockers, verapamil for hypertension or arrhythmias).
    • Positive chronotropes: Increase heart rate (e.g., atropine, epinephrine for bradycardia).
    • Negative chronotropes: Decrease heart rate (e.g., beta-blockers, verapamil for tachycardia, atrial fibrillation).

    Amiodarone Skin Effect

    • Blue-gray skin discoloration.

    Myocardial Cell Action Potential Phases

    • Phase 0: Rapid depolarization from sodium influx.
    • Phase 1: Initial repolarization caused by transient potassium efflux.
    • Phase 2: Plateau phase (calcium influx balances potassium efflux).
    • Phase 3: Repolarization caused by potassium efflux.
    • Phase 4: Resting phase (membrane potential maintained by sodium-potassium pump).

    Nitrates and Cardiac Workload

    • Nitrates convert to nitric oxide, causing vasodilation.
    • Reduces preload (venous return to the heart) and afterload (arterial resistance), lowering cardiac workload and oxygen demand.

    Modifiable vs. Non-modifiable Hyperlipidemia Risk Factors

    • Modifiable: Diet, physical inactivity, obesity, smoking.
    • Non-modifiable: Age, race, gender, family history.

    Fibric Acid Derivatives Adverse Effects

    • Gastrointestinal disturbances.
    • Gallstones.
    • Myopathy.

    ASCVD Risk Assessment Factors

    • Age, gender, race, total cholesterol, HDL cholesterol, blood pressure, diabetes, smoking.

    Digoxin Mechanism of Action

    • Inhibits the sodium-potassium ATPase pump, leading to increased intracellular calcium.
    • Increases myocardial contractility.

    Aspirin Mechanism of Action

    • Inhibits platelet activation via irreversible enzyme antagonism. blocks prostaglandin synthesis.

    Clinical Presentation and Treatment of Aplastic Anemia

    • Fatigue, infections, bleeding, pancytopenia.
    • Treat with supportive care, blood transfusions, and platelet transfusions as needed.

    Pain Receptor Types

    • Thermal nociceptors: Respond to extreme temperatures.
    • Mechanical nociceptors: Respond to intense mechanical forces.
    • Chemical nociceptors: Detect chemical irritants, toxins or inflammatory mediators.

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