Pharm Exam 1 Review

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Questions and Answers

Which of the following vaccines is classified as a live vaccine?

  • Hepatitis A vaccine
  • Influenza vaccine
  • Measles, mumps, and rubella vaccine (MMR) (correct)
  • Diphtheria vaccine

What is a characteristic of inactivated vaccines compared to live vaccines?

  • They stimulate a stronger immune response.
  • They can replicate in the host.
  • They generally require booster shots. (correct)
  • They contain weakened pathogens.

Which of the following is NOT a live attenuated vaccine?

  • Rotavirus vaccine
  • Inactivated poliovirus vaccine (correct)
  • Varicella virus vaccine
  • Oral poliovirus vaccine

Which vaccine is classified as inactivated?

<p>Hepatitis B virus vaccine (B)</p> Signup and view all the answers

The herpes zoster vaccine is an example of which type of vaccine?

<p>Live attenuated vaccine (C)</p> Signup and view all the answers

Which vaccine is specifically indicated for tuberculosis prevention?

<p>Bacillus Calmette-Guérin vaccine (BCG) (C)</p> Signup and view all the answers

Which of the following vaccines protects against serious bacterial infections caused by Streptococcus pneumoniae?

<p>Pneumococcal vaccine (D)</p> Signup and view all the answers

What type of vaccine is the rabies vaccine?

<p>Inactivated (killed) vaccine (D)</p> Signup and view all the answers

Which vaccine is designed to protect against viral encephalitis?

<p>Japanese encephalitis virus vaccine (C)</p> Signup and view all the answers

Which vaccine would be recommended to prevent disease from Neisseria meningitidis?

<p>Meningococcal polysaccharide vaccine (D)</p> Signup and view all the answers

What does the RSV vaccine protect against?

<p>Respiratory syncytial virus infections (A)</p> Signup and view all the answers

What is bioavailability in the context of oral medications?

<p>The percentage of a drug that reaches systemic circulation. (A)</p> Signup and view all the answers

Which of the following vaccines is NOT indicated for bacterial infection prevention?

<p>RSV vaccine (A)</p> Signup and view all the answers

Which of the following factors does NOT affect drug absorption?

<p>Volume of distribution (B)</p> Signup and view all the answers

When considering patient elements that affect prescribing, which factor is most critical?

<p>Patient's history of medication adherence (C)</p> Signup and view all the answers

Which vaccination would be considered for protecting travelers from typhoid fever?

<p>Typhoid vaccine (C)</p> Signup and view all the answers

What role do CYP-450 enzymes play in pharmacology?

<p>They catalyze the metabolism of drugs. (A)</p> Signup and view all the answers

Which statement accurately describes the first-pass effect?

<p>It describes the metabolism of drugs after oral administration before reaching systemic circulation. (C)</p> Signup and view all the answers

In terms of therapeutics, which aspect of pharmacogenomics is crucial for prescribers?

<p>The influence of genetics on drug metabolism and response. (A)</p> Signup and view all the answers

What distinguishes agonists from antagonists in pharmacology?

<p>Agonists activate receptors, antagonists block them. (A)</p> Signup and view all the answers

Which vaccine is specifically designed to prevent pneumonia caused by Streptococcus pneumoniae?

<p>Pneumococcal Vaccine (D)</p> Signup and view all the answers

Which vaccine is an inactivated vaccine aimed at preventing hepatitis B?

<p>Hepatitis B Virus Vaccine (D)</p> Signup and view all the answers

What is the primary purpose of the Human Papillomavirus Vaccine (HPV)?

<p>To reduce the risk of cervical cancer (A)</p> Signup and view all the answers

Which vaccine targets a virus that can lead to serious complications in young children, especially in respiratory illnesses?

<p>Respiratory Syncytial Virus (RSV) Vaccine (D)</p> Signup and view all the answers

Which vaccine is commonly administered to provide immunization against tetanus, diphtheria, and whooping cough?

<p>Diphtheria, Tetanus, and Acellular Pertussis Vaccine (DTaP) (D)</p> Signup and view all the answers

Which type of vaccination is primarily used for preventing measles, mumps, and rubella?

<p>Live attenuated vaccine (D)</p> Signup and view all the answers

What is a common adverse reaction associated with the MMR vaccine?

<p>Soreness at the injection site (C)</p> Signup and view all the answers

Which of the following vaccinations is contraindicated in individuals with a history of severe allergic reactions to neomycin?

<p>Measles, Mumps, Rubella (MMR) (D)</p> Signup and view all the answers

What is the primary purpose of the Herpes Zoster vaccine?

<p>To prevent shingles in older adults (B)</p> Signup and view all the answers

Which of the following vaccines is not a live attenuated vaccine?

<p>MCV4 (Meningococcal Conjugate Vaccine) (B)</p> Signup and view all the answers

At what age is it recommended to receive the MMR vaccine for the first time?

<p>12 months (B)</p> Signup and view all the answers

How is the RotaTeq vaccine administered?

<p>Oral administration (A)</p> Signup and view all the answers

Which vaccines are combined in the MMRV vaccine?

<p>Measles, Mumps, Rubella, and Varicella (B)</p> Signup and view all the answers

Flashcards

Bioavailability

The proportion of an administered drug that reaches the systemic circulation in an unchanged form.

Pharmacogenomics

The study of how genetic variations influence drug response.

First Pass Effect

The process by which a drug is metabolized by the liver before reaching systemic circulation, reducing the amount of active drug available to the body.

Therapeutic Drug Level

The range of drug concentrations in the blood that is both effective and safe.

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CYP450

A protein family that plays a key role in the metabolism of drugs and other substances in the body.

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Agonist

A state in which a drug binds to a receptor and produces a physiological effect similar to the natural ligand.

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Antagonist

A state in which a drug binds to a receptor and blocks the action of the natural ligand.

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Drug Reaction

Any unexpected or unintended response to a drug, ranging from mild discomfort to life-threatening reactions.

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What are live attenuated vaccines?

Live attenuated vaccines use a weakened version of the virus to stimulate an immune response. It's like a 'practice run' for the body's defenses. The virus is still alive, but it's been modified to be less harmful.

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What are inactivated vaccines?

Inactivated vaccines contain the virus or bacteria that has been killed. This means it can't cause illness but still triggers an immune response. Imagine it as a 'photo' of the virus that the body can recognize.

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How are live attenuated vaccines administered and what makes them special?

Live attenuated vaccines are often given orally, meaning they are swallowed. They require a single dose and provide long-lasting immunity. Think of it as giving your body a 'taste' of the virus.

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How are inactivated vaccines administered and what makes them special?

Inactivated vaccines need to be administered multiple times, often through intramuscular injections. This reinforces the immune response and provides stable protection. Think of it as giving your body multiple 'practice' sessions.

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Give examples of live attenuated and inactivated vaccines.

Examples of live attenuated vaccines: - Measles, Mumps, Rubella (MMR) - Varicella (chickenpox) - Rotavirus (diarrhea) - Oral poliovirus (prevents paralysis) - Yellow fever Examples of inactivated vaccines: - Diphtheria, Tetanus, Pertussis (DTaP) - Haemophilus influenzae type b (Hib) - Inactivated poliovirus (IPV) - Hepatitis A & B - Influenza (flu shot) - Human papillomavirus (HPV)

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What is the BCG vaccine?

A live, attenuated vaccine used to protect against tuberculosis, a serious lung infection.

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What does the MMR vaccine protect against?

A vaccine that provides immunity against multiple viral diseases, such as measles, mumps, and rubella.

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What does the pneumococcal vaccine protect against?

A vaccine that protects against the bacteria responsible for serious infections like pneumonia, meningitis, and ear infections in children.

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What does the Hib vaccine protect against?

A vaccine that protects against Haemophilus influenzae type b (Hib), a bacteria that can cause serious infections in children, including meningitis and pneumonia.

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What does the Meningococcal vaccine protect against?

A vaccine that protects against Meningococcus bacteria, which can cause meningitis, sepsis, and other serious infections.

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What does the MMRV vaccine protect against?

A vaccine that protects against the measles, mumps, rubella, and varicella (chickenpox) viruses.

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What does the RSV vaccine protect against?

A vaccine that protects against respiratory syncytial virus (RSV), a common respiratory infection that can be serious in infants and young children.

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What does the rabies vaccine protect against?

A vaccine that protects against the rabies virus, which is transmitted through the bite of an infected animal.

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BCG Vaccine

A vaccine that targets the bacteria responsible for tuberculosis, typically given to infants and young children, especially in high-risk areas.

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DTaP/Tdap/Td vaccine

The DTaP, Tdap, and Td vaccines are all designed to protect against diphtheria, tetanus, and pertussis (whooping cough). They differ in their specific components and recommended ages for administration.

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Hib Vaccine

A vaccine that protects against Haemophilus influenzae type b (Hib), a bacterium that can cause serious illnesses like meningitis, pneumonia, and epiglottitis, especially in young children.

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Inactivated Polio Vaccine (IPV)

A vaccine that protects against polio, a viral disease that can cause paralysis and other serious complications. Inactivated polio vaccine (IPV) is the most commonly used type of polio vaccine today.

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Hepatitis B Vaccine

A vaccine that protects against hepatitis B, a viral infection that can cause serious liver damage. It is typically administered as a series of injections.

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What is the mechanism of action of vaccines?

Vaccines stimulate the immune system to produce antibodies against a specific disease, preventing future infection.

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How do live-attenuated vaccines work?

A weakened or inactive form of the virus or bacteria is introduced into the body. The body learns to fight off the weakened version and develops immunity to the real thing.

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How do subunit vaccines work?

The vaccine contains specific antigens from the virus or bacteria, but not the whole organism. The body recognizes these antigens and mounts an immune response.

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How do inactivated vaccines work?

A weakened virus or bacteria that cannot replicate. The body learns to recognize and fight off the virus or bacteria.

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How do passive immunity vaccines work?

This type of vaccine involves injecting purified antibodies into the body. This provides immediate protection, but it's not long-lasting.

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What is Bupropion used for, and how does it work?

Bupropion is a medication used to treat nicotine addiction. It works by reducing craving and withdrawal symptoms.

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What are the effects of marijuana use?

Marijuana is a drug that can lead to dependency and has various negative effects, including altered perception, impaired memory, and psychological issues.

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What are benzodiazepines, and what are their risks?

Benzodiazepines are a class of drugs known for their calming and sedative effects but can lead to addiction and withdrawal symptoms.

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Study Notes

Overall Exam Information

  • Pharm Exam 1 material covered.
  • Important concepts from previous classes.
  • Knowledge of mechanisms of action, contraindications, and maximum dosages for various treatments.
  • Understanding of how to monitor treatment effectiveness.
  • Knowledge of vaccine schedules and special circumstances.
  • Yearly vaccines and relevant details for each.

Bioavailability

  • Extent of a drug reaching its site of action.
  • Oral administration is affected by food, gastric motility.
  • First absorbed by GI tract, then the liver before systemic circulation.
  • First pass effect: liver may significantly reduce bioavailability.
  • IV administration bypasses the liver, thus leading to complete bioavailability.

Prescribing by APRNs

  • Assessing patient history and allergies.
  • Understanding dietary intake and pregnancy/lactation status.
  • Identifying all current medications and supplements.
  • Considering national and local prescribing guidelines.
  • Determining appropriate prescriptions based on the specific patient.
  • Knowledge of the role of the APRN in prescribing process.

Regulations and Regulators

  • Oklahoma NPs can prescribe schedule III-V controlled substances.
  • Schedule II controlled substances cannot be prescribed by NPs.
  • Prescriptions are limited to one month for schedule III-V and cannot be refilled by the NP. 
  • Schedule III-V controlled substances can be called in similar to other prescriptions.
  • Prescriptions must be issued for legitimate medical purpose and written in ink.
  • DEA number must be included in prescriptions.
  • No prescribing for oneself or family members.

Factors affecting absorption

  • Distribution, concentration of drugs.
  • Rates of distribution vary in the body.
  • Half-life of a drug in the body. 
  • Factors modifying drug actions, co-administration of other drugs. 
  • Age impacts pharmacokinetics and pharmacodynamics. 
  • Elderly may respond differently to medications.

Gut Microbiome

  • Gut microbiota – the community of microbes in the gut.
  • Microbiome can impact drug metabolism.
  • Plays a role in drug therapy – examples include treatment with fecal transplants or probiotics.
  • Drug effects on microbiome – examples include antibiotics, PPIs, metformin.

Patient Elements affecting Prescribing

  • Drug Excretion
  • Routes of excretion (biliary, fecal, sweat etc).
  • Renal drug excretion and effects on neonates and adults.
  • Renal function impacts drug elimination
  • Drug excretion is affected by drug properties and patient characteristics.

Drug Interactions

  • CYP-450 enzymes are important in drug metabolism.
  • Drugs can either inhibit or enhance CYP activity.
  • Understanding CYP interactions can be crucial in avoiding negative drug interactions.
  • Many drug reactions can have varied severity, based on individual differences and drug properties.

Storage Reservoirs

  • Many drugs bind to proteins (albumin, glycoprotein).
  • Low protein or changes in protein levels can alter drug effect and risk of adverse reactions.
  • Tissues, fat, or bone can act as reservoirs and release drugs gradually.
  • The effect of the storage reservoir.

Additional Topics (Vaccines, Medications, etc.)

  • Detailed notes on various types of vaccines, including live attenuated and inactivated types
  • Contraindications and important considerations related to vaccine administration in relation to pregnancy, allergies, and other conditions.
  • Details on medications, including mechanisms of action, dosages, and potential adverse effects.
  • Relevant concepts and information regarding opioid use disorder treatment, treatment of substance use disorder, and alcohol use disorder.
  • Expanded information on specific medications for substance use disorders and treatment.
  • Detailed information on marijuana effects, therapeutic uses, and other details.

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