ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
Which lymphatic organ plays a crucial role in immune system maturation during childhood but diminishes in size and function with age?
Correct Answer: C
Rationale: The thymus matures T cells in childhood and shrinks with age.
Question 2 of 5
Identify primary lymphatic organs.
Correct Answer: B
Rationale: Red bone marrow (B cells) and thymus (T cells) are primary lymphoid organs.
Question 3 of 5
Identify the two types of specific defense mechanisms.
Correct Answer: A
Rationale: Specific immunity includes antibody-mediated (B cells) and cell-mediated (T cells).
Question 4 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 5 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.