ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
Which type of surface marker is present on every nucleated cell in your body?
Correct Answer: C
Rationale: MHC-I is on all nucleated cells; MHC-II is on APCs, receptors (A, B) are specific.
Question 2 of 5
The two collecting ducts that drain the lymphatic trunks are the
Correct Answer: A
Rationale: The thoracic duct and right lymphatic duct are the two main collecting ducts draining lymph into the bloodstream.
Question 3 of 5
A hapten is
Correct Answer: A
Rationale: Haptens are small molecules that gain antigenicity when bound to proteins.
Question 4 of 5
Which of the following cells is most affected as an individual ages?
Correct Answer: C
Rationale: Helper T cells decline with age, impacting immune coordination.
Question 5 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.