NSG5003 Week 2 Patho Quiz

NSG5003 Week 2 Patho Quiz 1. Question : During a stress response, the Th1 response is suppressed by which hormone? Student Answer: Adrenocorticotropic hormone (ACTH) Cortisol Prolactin Growth hormone Instructor Explanation: Stress can activate an excessive immune response and, through cortisol and catecholamines, suppress the Th1 response, causing a Th2 shift. This response is not active by any of the other options. Points Received: 0.5 of 0.5 Comments: Question 2. Question : The function of opsonization related to the complement cascade is to: Student Answer: Tag pathogenic microorganisms for destruction by neutrophils and macrophages Process pathogenic microorganisms so that activated lymphocytes can be created for acquired immunity Destroy glycoprotein cell membranes of pathogenic microorganisms Promote anaphylatoxic activity, resulting in mast cell degranulation Instructor Explanation: C3b adheres to the surface of a pathogenic microorganism and serves as an efficient opsonin. Opsonins are molecules that tag microorganisms for destruction by cells of the inflammatory system, primarily neutrophils and macrophages. The other options do not accurately describe the function of opsonization related to the complement cascade. Points Received: 0.5 of 0.5 Comments: Question 3. Question : Which primary characteristic is unique for the immune response? Student Answer: The immune response is similar each time it is activated.