(WGU D311) NURS 1010 MICROBIOLOGY WITH LAB FINAL EXAM REVIEW Q & A 2024
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(WGU D311) NURS 1010 MICROBIOLOGY WITH LAB FINAL EXAM REVIEW Q & A 2024v(WGU D311) NURS 1010 MICROBIOLOGY WITH LAB FINAL EXAM REVIEW Q & A 2024(WGU D311) NURS 1010 MICROBIOLOGY WITH LAB FINAL EXAM REVIEW Q & A 2024(WGU D311) NURS 1010 MICROBIOLOGY WITH LAB FINAL EXAM REVIEW Q & A 2024(WGU D311) NUR...
D311 NURS 1010 Microbiology with Lab Final Exam Review Q & A 2024 1. Which of the following microorganisms is most likely to be found in a hospital setting and poses a high risk for nosocomial infections? A. Escherichia coli B. Staphylococcus aureus C. Bacillus cereus D. Streptococcus pneumoniae Answer: B. Rationale: Staphylococcus aureus is commonly associated with hospital -acquired infections due to it s resistance to antibiotics and its ability to survive on surfaces. 2. When considering the use of antibiotics in treatment, what is the primary concern for nursing staff regarding microbial resistance? A. Cost of antibiotic treatment B. Availabilit y of antibiotics C. Potential for allergic reactions D. Development of resistant strains Answer: D. Rationale: The development of resistant strains of microorganisms is a significant concern, as it can lead to ineffective treatment and spread of r esistant infections. 3. In a patient with a suspected bacterial infection, what is the most important step to ensure effective treatment? A. Administering broad -spectrum antibiotics immediately B. Waiting for symptoms to improve before treatment C. Obtaining a sample for culture and sensitivity testing D. Starting antiviral medications as a precaution Answer: C. Rationale: Obtaining a sample for culture and sensitivity ensures that the correct pathogen is identified and the most effective antibiotic is chosen for treatment. 4. Which of the following best describes the role of normal flora in the human body? A. They are harmful and should be eliminated. B. They compete with pathogens and provide a defense mechanism. C. They have n o significant role and are simply present. D. They are only found on the skin and not in other parts of the body. Answer: B. Rationale: Normal flora competes with pathogens for nutrients and space, thereby providing a natural defense against infectio n. 5. A patient is diagnosed with a Clostridium difficile infection. What is the most likely cause of this condition? A. Prolonged use of antacids B. Recent antibiotic therapy C. Consumption of undercooked meat D. Travel to a tropical country Answer: B. Rationale: Antibiotic therapy can disrupt the normal intestinal flora, allowing C. difficile to proliferate and cause infection. 6. Which type of immunity is primarily responsible for the body's defense against a second exposure to a pathoge n? A. Innate immunity B. Passive immunity C. Adaptive immunity D. Cellular immunity Answer: C. Rationale: Adaptive immunity involves the development of memory cells that provide a quicker and more effective response upon second exposure to a pathogen. 7. In the laboratory, why is gram staining an important first step in the identification of bacteria? A. It determines the size of the bacteria. B. It differentiates bacteria based on cell wall composition. C. It assesses the bacteria's antibiotic resistance. D. It identifies the bacteria's oxygen requirements. Answer: B. Rationale: Gram staining differentiates bacteria into gram -
positive or gram -negative based on their cell wall structure, which is crucial for identification and treatment. 8. What is the primary function of neutrophils in the body's response to infection? A. Production of antibodies B. Phagocytosis of pathogens C. Activation of the complement system D. Regulation of the inflammatory response Answer: B. Rationale: Neutrophils are white blood cells that play a key
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