ATI RN
PAL Histology Lymphatic System Lab Practical Question 1 Questions
Question 1 of 5
Which immunoglobulin is the least prevalent?
Correct Answer: C
Rationale: IgE is the least prevalent, primarily involved in allergies and parasite defense.
Question 2 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 3 of 5
Which type of antigen-presenting molecule is found on all nucleated cells?
Correct Answer: B
Rationale: MHC I is on all nucleated cells; MHC II is on APCs.
Question 4 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 5 of 5
A hapten is
Correct Answer: A
Rationale: Haptens are small molecules that gain antigenicity when bound to proteins.