ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
Identify primary lymphatic organs.
Correct Answer: B
Rationale: Red bone marrow (B cells) and thymus (T cells) are primary lymphoid organs.
Question 2 of 5
Jimmy's baby sister received the immunization for chicken pox. What type of immunity does she have?
Correct Answer: B
Rationale: Vaccination provides artificial active immunity.
Question 3 of 5
The specific type of acquired immunity that a fetus obtains from maternal antibodies that cross the placenta is called:
Correct Answer: B
Rationale: Maternal antibodies provide natural passive immunity; active (A, C) involves own response, artificial is via injection, and E is invalid.
Question 4 of 5
Transmission of HIV
Correct Answer: B
Rationale: Needlestick risk reduced by therapy ; it's 0.3% , intrapartum is common , and transfusion risk remains .
Question 5 of 5
Following antigen presentation by a B cell to a T helper cell, cytokines are produced and the B cell:
Correct Answer: D
Rationale: B cell switches class and secretes antibody; doesn't kill T cell , rearrangement is earlier , or just secrete .