ATI RN
Immune System Quiz Questions Questions
Question 1 of 5
The lymphatic ducts that direct lymph into blood circulation are called the _____________ duct and the ____________ duct.
Correct Answer: C
Rationale: The right lymphatic and thoracic ducts drain lymph into the bloodstream.
Question 2 of 5
Cell-mediated immunity occurs due to the actions of:
Correct Answer: B
Rationale: Cytotoxic T cells drive cell-mediated immunity.
Question 3 of 5
Which one of the following is NOT a mechanism that aids lymph return:
Correct Answer: C
Rationale: Heart pumping drives blood, not lymph; muscles , thoracic pressure , vessel contractions , and valves aid lymph return.
Question 4 of 5
In type III hypersensitivity reaction,
Correct Answer: D
Rationale: All (A-C) are true for type III; thus, D (all of the above) is correct
Question 5 of 5
T-cells receptors (TCR) and B-cell receptors (surface immunoglobulin) are similar as they:
Correct Answer: D
Rationale: All (A-C) are true: TCR/BCR rearrange genes , are heterodimers , specific , and have V/C regions ; thus, D.