The nurse is preparing a teaching plan for a group of well-educated clients who were found to be HIV positive within the last year. The nurse should explain that the human immunodeficiency virus (HIV) acts in which way to suppress the immune system?
Increase in B-lymphocytes and IgM.
Destruction of helper T-cells and CD4 cells.
Deficiency of cytotoxic T cells.
Proliferation of suppressor T-cells.
The Correct Answer is B
Choice A rationale
An increase in B-lymphocytes and IgM is not how HIV suppresses the immune system. B-lymphocytes are responsible for producing antibodies, and IgM is a type of antibody. HIV primarily affects T-lymphocytes, specifically helper T-cells (CD4 cells), rather than B-lymphocytes.
Choice B rationale
The destruction of helper T-cells and CD4 cells is the primary mechanism by which HIV suppresses the immune system. HIV targets and infects these cells, leading to their depletion. Helper T-cells play a crucial role in coordinating the immune response, and their loss results in a weakened immune system, making the body more susceptible to infections and diseases.
Choice C rationale
A deficiency of cytotoxic T cells is not the primary mechanism by which HIV suppresses the immune system. Cytotoxic T cells (CD8 cells) are involved in directly killing infected cells, but the main impact of HIV is on helper T-cells (CD4 cells), which are essential for orchestrating the immune response.
Choice D rationale
The proliferation of suppressor T-cells is not how HIV suppresses the immune system. Suppressor T-cells (regulatory T cells) help regulate and control the immune response, but HIV primarily affects helper T-cells (CD4 cells), leading to their destruction and a weakened immune system.
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Correct Answer is A
Explanation
Choice A rationale
Irregular rapid heart rate (tachycardia) is a serious side effect of albuterol and warrants immediate intervention. Albuterol is a beta-2 agonist that can cause stimulation of beta-1 receptors in the heart, leading to tachycardia and potential arrhythmias.
Choice B rationale
Uncontrollable shaking (tremors) is a common side effect of albuterol due to its stimulation of beta-2 receptors in skeletal muscles. While uncomfortable, it is not typically life-threatening.
Choice C rationale
Increased anxiety can occur with albuterol use due to its stimulant effects on the central nervous system. However, it is not as immediately dangerous as tachycardia.
Choice D rationale
Throat irritation is a minor side effect of albuterol and does not require immediate intervention.
Correct Answer is A
Explanation
Choice A rationale
Acute pancreatitis is a potential complication after cholecystectomy. The persistent upper abdominal pain radiating to the back is a classic symptom of acute pancreatitis. This condition can occur due to the migration of gallstones or other factors affecting the pancreas.
Choice B rationale
Biliary duct obstruction can cause upper abdominal pain, but it is less likely to present with pain radiating to the back. This condition typically presents with jaundice and other symptoms.
Choice C rationale
Surgical site infection can cause abdominal pain, but it is usually localized to the surgical site and does not typically radiate to the back. Other signs of infection, such as fever and redness, would also be present.
Choice D rationale
Hepatorenal failure is a severe condition that can occur in patients with liver disease, but it is not commonly associated with pain radiating to the back. It typically presents with symptoms of liver and kidney dysfunction.