ATI RN
Lymphatic and Immune System Test Questions Questions
Question 1 of 5
As a family, TLRs can recognize PAMPs associated with a broad array of different pathogens, including bacteria, viruses, and fungi. Patients with a specific susceptibility to herpesvirus infections have a defect in their ability to respond to viral nucleic acids using TLR-3, TLR-7, or TLR-9, even though these proteins are expressed in the patients' cells. Analysis of the TLRs in macrophages and dendritic cells from these patients would likely show which of the arrangements in Figure Q3.11?
Correct Answer: A
Rationale: Assuming Q3.11 shows TLR defects, a signaling defect explains susceptibility despite expression; exact arrangement inferred.
Question 2 of 5
Neurons are
Correct Answer: D
Rationale: Neurons are signal-carrying cells, the functional units of the nervous system, and consist of a cell body, dendrites, and axons. All options are correct.
Question 3 of 5
Which of the following cell types is responsible for the cell-mediated immune response?
Correct Answer: A
Rationale: T cells drive cell-mediated immunity, targeting infected or cancerous cells, unlike B cells (humoral), leukocytes (general), or NK cells (innate).
Question 4 of 5
Which of the following diseases is thought to be an autoimmune disease?
Correct Answer: B
Rationale: Insulin-dependent diabetes (Type 1) is autoimmune, attacking pancreatic cells, unlike cancer, viral infections (measles/mumps), or ulcers.
Question 5 of 5
The definition, 'Innate and adaptive immune cell secreted protein that act as signalling molecules in an immune response' corresponds to?
Correct Answer: B
Rationale: Cytokines are signaling proteins secreted by immune cells, unlike surfactants, AMPs (kill pathogens), or lysozymes (enzymes).