Which of the following are classified as killer, helper, memory, and suppressor?
RBCS
T cells
B cells
Platelets
Which of the following are classified as killer, helper, memory, and suppressor?
The Correct Answer is A
A. RBCs:
Red blood cells (RBCs) carry oxygen and have no role in the immune response.
B. T cells:
T cells are classified into subsets like cytotoxic (killer), helper, memory, and suppressor (regulatory) T cells, each with specialized immune functions.
C. B cells:
While B cells also have memory capabilities and produce antibodies, they are not categorized into killer or suppressor types.
D. Platelets:
Platelets are involved in blood clotting, not immunity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This fever could cause a seizure:
Febrile seizures are typically associated with temperatures >102°F, especially when rising rapidly.
B. A low-grade temperature can decrease multiplication of pathogens:
A mild fever is a normal immune response that creates an environment less favorable for pathogens to multiply and can enhance immune activity.
C. The child should be taking fever reducing medicine:
Antipyretics may not be necessary for a low-grade fever unless the child is uncomfortable.
D. This is serious, they need to see the doctor right away:
A temperature of 100.3°F is considered low-grade and generally not serious in an otherwise healthy child.
Correct Answer is D
Explanation
A. Cause mycotic infections:
Mycotic (fungal) infections are caused by fungi, not bacteria.
B. Include mold and yeast:
Molds and yeasts are fungi, not bacteria.
C. Are not part of the normal flora of the intestines:
Bacteria are a significant part of the normal intestinal flora (e.g., E. coli, Bacteroides).
D. Include cocci, bacilli, and curved rods:
Bacteria are classified by shape: cocci (spherical), bacilli (rod-shaped), and curved rods (e.g., Vibrio cholerae).
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