MCQ Quiz: Infectious Disease in the Community

The community pharmacy is a frontline defense in public health, often serving as the first point of contact for patients suffering from common infectious diseases. A community pharmacist’s role extends far beyond dispensing; it involves crucial patient assessment, triage, and promoting antimicrobial stewardship to combat resistance. As a PharmD student, mastering the management of these conditions is a core competency developed in courses like Patient Care 2 (PHA5782C) and practiced in hands-on labs like Professional Skills Lab 3 (PHA5163L). This quiz will challenge your knowledge on the diagnosis and treatment of prevalent community infections such as UTIs, community-acquired pneumonia, and various skin and soft tissue infections, preparing you for the vital role you will play in promoting health and wellness.

1. A 25-year-old healthy female presents with symptoms of dysuria and urinary frequency. She has no fever or back pain. What is the most likely causative pathogen for this uncomplicated UTI?

  • a. Staphylococcus aureus
  • b. Pseudomonas aeruginosa
  • c. Escherichia coli
  • d. Enterococcus faecalis

Answer: c. Escherichia coli

2. Which of the following is a first-line treatment option for uncomplicated cystitis in a non-pregnant adult female with no drug allergies?

  • a. Ciprofloxacin
  • b. Amoxicillin
  • c. Nitrofurantoin
  • d. Cephalexin

Answer: c. Nitrofurantoin

3. A patient presents with a prescription for amoxicillin for strep throat. What is the primary reason for treating a Streptococcus pyogenes infection?

  • a. To prevent the development of a cough.
  • b. To shorten the duration of fever by three days.
  • c. To prevent the complication of acute rheumatic fever.
  • d. To prevent the spread of the common cold.

Answer: c. To prevent the complication of acute rheumatic fever.

4. A 60-year-old patient with no comorbidities is diagnosed with community-acquired pneumonia (CAP). Which of the following would be an appropriate empiric outpatient treatment?

  • a. Vancomycin
  • b. Meropenem
  • c. Doxycycline
  • d. Gentamicin

Answer: c. Doxycycline

5. A mother brings in her child who has golden, crusted lesions on their face. The pharmacist suspects impetigo, which is a type of what infection?

  • a. Fungal infection
  • b. Viral infection
  • c. Acute bacterial skin and skin structure infection (ABSSSI)
  • d. Parasitic infection

Answer: c. Acute bacterial skin and skin structure infection (ABSSSI)

6. Which of the following is a key counseling point for a patient starting a course of oseltamivir (Tamiflu) for influenza?

  • a. The medication should be started within 48 hours of symptom onset for best results.
  • b. This medication is a substitute for the annual flu vaccine.
  • c. The full course must be taken for 14 days.
  • d. The most common side effect is severe rash.

Answer: a. The medication should be started within 48 hours of symptom onset for best results.

7. A pharmacist is counseling a patient on the proper use of a new prescription. This activity is a central part of which experience?

  • a. Hospital Introductory Pharmacy Practice Experience (HIPPE)
  • b. Community Introductory Pharmacy Practice Experience (CIPPE)
  • c. Sterile Compounding Lab
  • d. Medicinal Chemistry course

Answer: b. Community Introductory Pharmacy Practice Experience (CIPPE)

8. Which vaccine is recommended annually for all individuals 6 months of age and older, unless contraindicated?

  • a. Measles, Mumps, Rubella (MMR)
  • b. Tetanus, Diphtheria, Pertussis (Tdap)
  • c. Human Papillomavirus (HPV)
  • d. Inactivated Influenza Vaccine (IIV)

Answer: d. Inactivated Influenza Vaccine (IIV)

9. A patient complains of a painful, blistering sore on their lip that they get every few months. This is a classic presentation of what viral infection?

  • a. Influenza A
  • b. Varicella-Zoster Virus (VZV)
  • c. Herpes Simplex Virus (HSV)
  • d. Epstein-Barr Virus (EBV)

Answer: c. Herpes Simplex Virus (HSV)

10. What is the most common pathogen responsible for community-acquired cellulitis without an abscess?

  • a. Pseudomonas aeruginosa
  • b. Streptococcus pyogenes
  • c. Candida albicans
  • d. Bacteroides fragilis

Answer: b. Streptococcus pyogenes

11. A key aspect of antimicrobial stewardship in the community is:

  • a. Using the most broad-spectrum antibiotic for every infection.
  • b. Avoiding antibiotic therapy altogether.
  • c. Ensuring patients receive the right antibiotic, at the right dose, for the right duration.
  • d. Providing antibiotics for all viral infections to prevent secondary bacterial infections.

Answer: c. Ensuring patients receive the right antibiotic, at the right dose, for the right duration.

12. When screening a patient for vaccinations, it is critical to ask about:

  • a. Their favorite color.
  • b. The last time they ate a meal.
  • c. Severe allergies, especially to vaccine components.
  • d. Their preferred brand of vaccine.

Answer: c. Severe allergies, especially to vaccine components.

13. A patient asks for a recommendation for their common cold symptoms. Colds are caused by:

  • a. Bacteria
  • b. Fungi
  • c. Viruses, most commonly Rhinovirus
  • d. Allergens

Answer: c. Viruses, most commonly Rhinovirus

14. A patient with a sulfa allergy should not be prescribed which common UTI antibiotic?

  • a. Nitrofurantoin
  • b. Ciprofloxacin
  • c. Trimethoprim/Sulfamethoxazole
  • d. Fosfomycin

Answer: c. Trimethoprim/Sulfamethoxazole

15. A patient comes to the pharmacy with a prescription for cephalexin for a skin infection. What is an important counseling point?

  • a. This medication works best if you stop taking it once you feel better.
  • b. You should complete the entire course of therapy as prescribed.
  • c. This medication will also treat any fungal infections you have.
  • d. It is safe to take this medication if you have a severe penicillin allergy.

Answer: b. You should complete the entire course of therapy as prescribed.

16. The Advisory Committee on Immunization Practices (ACIP) provides:

  • a. Recommendations on drug pricing.
  • b. Guidelines for compounding sterile products.
  • c. Recommendations on the use of vaccines in the United States.
  • d. A list of approved medications from the FDA.

Answer: c. Recommendations on the use of vaccines in the United States.

17. A patient with an abscess is likely to need which procedure in addition to antibiotic therapy?

  • a. A skin graft
  • b. Incision and drainage
  • c. A blood transfusion
  • d. A CT scan

Answer: b. Incision and drainage

18. A key objective for student pharmacists is to defend a therapeutic plan for bacterial infections like UTIs and pneumonia.

  • a. True
  • b. False

Answer: a. True

19. Which of the following is a symptom of a complicated UTI that would warrant referral to a higher level of care?

  • a. Dysuria (painful urination)
  • b. Urinary frequency
  • c. Fever and flank pain
  • d. Suprapubic discomfort

Answer: c. Fever and flank pain

20. Which of the following is a live attenuated vaccine?

  • a. Inactivated Influenza Vaccine (IIV)
  • b. Tetanus toxoid vaccine (as in Tdap)
  • c. Measles, Mumps, Rubella (MMR)
  • d. Recombinant zoster vaccine (Shingrix)

Answer: c. Measles, Mumps, Rubella (MMR)

21. A patient with community-acquired MRSA (CA-MRSA) skin infection may require treatment with which antibiotic?

  • a. Penicillin
  • b. Amoxicillin
  • c. Doxycycline
  • d. Cefdinir

Answer: c. Doxycycline

22. Promoting public health and disease prevention is a key role for community pharmacists.

  • a. True
  • b. False

Answer: a. True

23. A patient asks if they should take leftover amoxicillin from a previous infection for their current sore throat. The pharmacist should advise:

  • a. Yes, it is fine to use leftover antibiotics.
  • b. No, because the sore throat may be viral and self-treatment with old antibiotics is inappropriate and can contribute to resistance.
  • c. Yes, but only take half the dose.
  • d. To share the medication with a family member who is also sick.

Answer: b. No, because the sore throat may be viral and self-treatment with old antibiotics is inappropriate and can contribute to resistance.

24. The common cold is generally a self-limiting illness, and treatment is focused on:

  • a. Curing the viral infection with antibiotics.
  • b. Symptomatic relief of cough, congestion, and sore throat.
  • c. High-dose vitamin therapy.
  • d. A mandatory 10-day quarantine.

Answer: b. Symptomatic relief of cough, congestion, and sore throat.

25. Which of the following is NOT a typical pathogen for Community-Acquired Pneumonia?

  • a. Streptococcus pneumoniae
  • b. Mycoplasma pneumoniae
  • c. Haemophilus influenzae
  • d. Pseudomonas aeruginosa

Answer: d. Pseudomonas aeruginosa

26. A live vaccine is generally contraindicated in which patient population?

  • a. Healthy adults
  • b. School-aged children
  • c. Pregnant women and severely immunocompromised individuals
  • d. Healthcare workers

Answer: c. Pregnant women and severely immunocompromised individuals

27. What is a common counseling point for patients taking nitrofurantoin for a UTI?

  • a. This medication may turn your urine a brown or dark yellow color.
  • b. Take this medication on an empty stomach.
  • c. This medication is a single-dose therapy.
  • d. You should avoid all dairy products while taking this drug.

Answer: a. This medication may turn your urine a brown or dark yellow color.

28. An adult patient with no recent antibiotic use is diagnosed with strep throat and has a severe, anaphylactic allergy to penicillin. Which is a suitable alternative?

  • a. Cephalexin
  • b. Augmentin
  • c. Azithromycin
  • d. Vancomycin

Answer: c. Azithromycin

29. The main goal of vaccination is to induce what type of immunity?

  • a. Passive immunity
  • b. Active immunity
  • c. Herd immunity
  • d. Natural immunity

Answer: b. Active immunity

30. Which course listed in the syllabus has a lab session specifically titled “Infectious Disease in the Community”?

  • a. PHA5782C Patient Care 2
  • b. PHA5163L Professional Skills Lab 3
  • c. PHA5781 Patient Care 1
  • d. PHA5104 Sterile Compounding

Answer: b. PHA5163L Professional Skills Lab 3

31. Recurrent cold sores (herpes labialis) are caused by a latent HSV infection that resides in:

  • a. The bloodstream
  • b. Skin cells
  • c. Nerve ganglia
  • d. The liver

Answer: c. Nerve ganglia

32. A pharmacist providing an immunization is an example of what kind of public health intervention?

  • a. Tertiary prevention
  • b. Secondary prevention
  • c. Primary prevention
  • d. Treatment of active disease

Answer: c. Primary prevention

33. Empiric therapy for an infection means:

  • a. Waiting for culture results before starting any treatment.
  • b. Treating based on the most likely pathogen before definitive culture results are available.
  • c. Using only non-prescription medications.
  • d. Using a medication with the fewest side effects.

Answer: b. Treating based on the most likely pathogen before definitive culture results are available.

34. For a patient with purulent cellulitis (suggesting S. aureus), which oral antibiotic would be a poor choice due to high rates of resistance?

  • a. Doxycycline
  • b. Clindamycin
  • c. Penicillin
  • d. Trimethoprim/Sulfamethoxazole

Answer: c. Penicillin

35. A key difference between typical and atypical pneumonia pathogens is that:

  • a. Atypical pathogens cannot be cultured on standard media and do not have a cell wall.
  • b. Atypical pathogens only infect children.
  • c. Typical pathogens are always gram-negative.
  • d. Typical pathogens do not respond to antibiotics.

Answer: a. Atypical pathogens cannot be cultured on standard media and do not have a cell wall.

36. Proper intramuscular injection technique, as taught in skills lab, is essential for vaccine administration.

  • a. True
  • b. False

Answer: a. True

37. Why is it important to ask a patient with a UTI about their symptoms, such as fever or back pain?

  • a. To determine if the patient has a common cold instead.
  • b. To assess if the infection has spread to the kidneys (pyelonephritis), which requires different treatment.
  • c. To see if the patient is exaggerating their symptoms.
  • d. To decide which brand of medication to dispense.

Answer: b. To assess if the infection has spread to the kidneys (pyelonephritis), which requires different treatment.

38. The development of a therapeutic plan for a patient with a bacterial infection is a core competency for a student pharmacist.

  • a. True
  • b. False

Answer: a. True

39. A patient taking doxycycline for a skin infection should be counseled about:

  • a. The risk of tendon rupture.
  • b. The importance of taking it with a full glass of milk.
  • c. The need to avoid excessive sun exposure (photosensitivity).
  • d. A potential interaction with grapefruit juice.

Answer: c. The need to avoid excessive sun exposure (photosensitivity).

40. What is the main reason antibiotics are not effective for the common cold?

  • a. The doses are too low.
  • b. Colds are caused by viruses, and antibiotics target bacteria.
  • c. Patients are usually not sick enough for antibiotics.
  • d. Antibiotics have too many side effects.

Answer: b. Colds are caused by viruses, and antibiotics target bacteria.

41. For a patient with a documented non-severe allergy to penicillin (e.g., a rash), which of the following antibiotics could be considered with caution?

  • a. Amoxicillin
  • b. Cephalexin
  • c. Piperacillin/tazobactam
  • d. All of the above are contraindicated.

Answer: b. Cephalexin

42. The term “antibiogram” refers to:

  • a. A diagram of an antibiotic’s chemical structure.
  • b. A patient’s list of antibiotic allergies.
  • c. A summary of local antimicrobial susceptibility rates for common pathogens.
  • d. A type of antibiotic resistance.

Answer: c. A summary of local antimicrobial susceptibility rates for common pathogens.

43. Which pathogen is a common cause of “walking pneumonia,” an atypical CAP?

  • a. Streptococcus pneumoniae
  • b. Staphylococcus aureus
  • c. Mycoplasma pneumoniae
  • d. Klebsiella pneumoniae

Answer: c. Mycoplasma pneumoniae

44. Which of the following is an example of a drug-resistant pathogen of concern in community infections?

  • a. Methicillin-susceptible Staphylococcus aureus (MSSA)
  • b. Penicillin-susceptible Streptococcus pneumoniae
  • c. Methicillin-resistant Staphylococcus aureus (MRSA)
  • d. Wild-type E. coli

Answer: c. Methicillin-resistant Staphylococcus aureus (MRSA)

45. Proper hand hygiene is one of the most effective ways to prevent the spread of community infections.

  • a. True
  • b. False

Answer: a. True

46. A patient is prescribed a single 1-gram dose of azithromycin. This is a common treatment regimen for which community-acquired infection?

  • a. Influenza
  • b. Complicated UTI
  • c. Chlamydia
  • d. Fungal nail infection

Answer: c. Chlamydia

47. A pharmacist counseling a patient about their topical antiviral cream for a cold sore should emphasize:

  • a. Applying a thick layer to the entire face.
  • b. That the cream will cure the latent viral infection permanently.
  • c. Applying the cream at the very first sign of tingling or itching for best effect.
  • d. Sharing the cream with others who get cold sores.

Answer: c. Applying the cream at the very first sign of tingling or itching for best effect.

48. In the community setting, a pharmacist may perform point-of-care testing for which infectious disease?

  • a. Sepsis
  • b. Endocarditis
  • c. Influenza or Strep Throat
  • d. Meningitis

Answer: c. Influenza or Strep Throat

49. What is a key reason for the “5-day rule” for prescribing opioids for acute pain, which can help prevent community substance use issues?

  • a. Opioids are only effective for 5 days.
  • b. It limits the initial exposure and amount of leftover medication.
  • c. Insurance will not pay for more than 5 days.
  • d. It takes 5 days for a prescription to be filled.

Answer: b. It limits the initial exposure and amount of leftover medication.

50. The community pharmacist’s role in infectious disease management includes identifying patients who require referral to a physician or emergency department.

  • a. True
  • b. False

Answer: a. True

Leave a Comment