A 65-year-old female is diagnosed with metastatic breast cancer. Which of the following cells would be produced in large quantities to eliminate the tumor cells?
Neutrophils
Eosinophils
Platelets
Macrophages
The Correct Answer is D
A. Neutrophils: Neutrophils are a type of white blood cell that plays a key role in the immune system's response to infections, particularly bacterial infections. They are not primarily involved in eliminating cancer cells.
B. Eosinophils: Eosinophils are another type of white blood cell. They are important in the immune response to parasites and are also involved in allergic reactions. While they have a role in the immune system, they are not the primary cells involved in eliminating cancer cells.
C. Platelets: Platelets, also known as thrombocytes, are not cells but rather small cell fragments. They are essential for blood clotting and do not directly participate in the immune response against cancer cells.
D. Macrophages: Macrophages are a type of white blood cell that are involved in the immune system's defense against cancer. They are phagocytes, which means they engulf and digest cellular debris, foreign substances, and cancer cells. Macrophages play a crucial role in the body's immune surveillance and response against cancer.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Ceftaroline (Teflaro) is a fifth-generation cephalosporin antibiotic that is effective against MRSA (Methicillin-Resistant Staphylococcus Aureus). It's the first cephalosporin in its class with this capability, making it a valuable choice in treating MRSA infections.
B. Cefepime (Maxipime) is a fourth-generation cephalosporin that does not have specific activity against MRSA.
C. Ceftriaxone (Rocephin) is a third-generation cephalosporin, effective against a wide range of bacteria, but not specifically targeted at MRSA.
D. Cephalexin (Keflex) is a first-generation cephalosporin, primarily effective against Gram-positive bacteria, but not effective against MRSA.
Correct Answer is ["A","B","C","D"]
Explanation
A. Viral Latency: Some viruses, like herpesviruses, can enter a latent phase where they hide in host cells, making it challenging for the immune system to detect and target them.
B. Host Defense Failure: This term encompasses situations where the host's defense mechanisms, including physical barriers and immune responses, are not effective in preventing or controlling infection. For example, pathogens may develop mechanisms to evade detection by the immune system.
C. Immunosuppression: Pathogens can actively suppress the host's immune response. They may produce molecules or proteins that inhibit the immune system's ability to mount an effective defense.
D. Immunodeficiency: Individuals with immunodeficiency disorders have weakened immune systems, which can be congenital (genetic) or acquired. This weakness makes them more susceptible to infections.
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