a 22 year old was recently diagnosed with acquired immunodeficiency syndrome aids which decreased lab finding would be expected to accompany this viru
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ATI RN

ATI Pathophysiology Exam 2

1. A 22-year-old was recently diagnosed with acquired immunodeficiency syndrome (AIDS). Which decreased lab finding would be expected to accompany this virus?

Correct answer: A

Rationale: In a person diagnosed with AIDS, a decrease in CD4 helper T cells is expected. These cells are critical for the immune system's proper functioning, and their reduction weakens the body's ability to fight infections. CD8 helper T cells (Choice B) are not typically decreased in AIDS. CDC cells (Choice C) and CDC10 cells (Choice D) are not relevant terms in this context, making them incorrect choices.

2. A 25-year-old just had a colonoscopy and was diagnosed with Crohn disease. Which of the following is consistent with this diagnosis?

Correct answer: A

Rationale: Crohn's disease is a type of inflammatory bowel disease that can affect any part of the digestive tract. Right lower quadrant cramping is consistent with Crohn's disease as it commonly involves the terminal ileum, which is located in the right lower quadrant of the abdomen. Severe bloody diarrhea is more characteristic of ulcerative colitis, another type of inflammatory bowel disease. Nausea and vomiting are not specific symptoms of Crohn's disease. Crohn's disease can affect any part of the digestive tract, not just the rectum, so it is not accurate to say it mostly affects the rectum.

3. Which type of lymphocyte recognizes and eliminates virus-infected cells and cancerous cells?

Correct answer: C

Rationale: Natural killer cells are a type of lymphocyte that plays a crucial role in recognizing and eliminating virus-infected cells and cancerous cells. Neutrophils (Choice A) are a type of white blood cell involved in fighting infections, mainly through phagocytosis. Macrophages (Choice B) are another type of white blood cell that engulfs and digests cellular debris and pathogens. Langerhans cells (Choice D) are a type of dendritic cell found in the skin and mucosa, primarily involved in antigen presentation.

4. The neurotransmitter GABA mainly functions to trigger inhibitory postsynaptic potentials (IPSPs). Therefore, when explaining this to a group of nursing students, the nurse will state:

Correct answer: C

Rationale: When GABA binds with a receptor site, it causes hyperpolarization of the local nerve membrane, making it less excitable. This hyperpolarization leads to inhibition of nerve cell activity. Choice A is incorrect because GABA is a neurotransmitter itself and does not require three chemical substances to stimulate activity between cells. Choice B is incorrect as GABA triggers inhibitory postsynaptic potentials (IPSPs), leading to hyperpolarization, not depolarization, of the postsynaptic membrane. Choice D is also incorrect as it describes a process involving cholinergic receptors and acetylcholine, which is unrelated to GABA's mechanism of action.

5. Which of the following disturbances would cause a client to experience gout?

Correct answer: B

Rationale: Gout is caused by a disturbance in uric acid metabolism, leading to the accumulation of uric acid crystals in joints. Serotonin receptors (Choice A) are not related to gout. Liver function (Choice C) is important for metabolism but is not directly linked to gout development. Cardiac function (Choice D) is primarily related to the heart's functioning and not associated with gout.

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