a staff member asks what leukocytosis means how should the nurse respond leukocytosis can be defined as

ATI RN

ATI Pathophysiology Test Bank

1. A staff member asks what leukocytosis means. How should the nurse respond? Leukocytosis can be defined as:

A. A normal leukocyte count
B. A high leukocyte count
C. A low leukocyte count
D. Another term for leukopenia

Correct answer: B

Rationale: Leukocytosis refers to an abnormally high leukocyte count. This condition is characterized by an elevated number of white blood cells in the bloodstream. Choice A is incorrect because leukocytosis does not refer to a normal leukocyte count. Choice C is incorrect as leukocytosis is not related to a low leukocyte count. Choice D is incorrect as leukopenia is the opposite of leukocytosis, indicating a low white blood cell count.

2. Which of the following statements characterizes irritable bowel syndrome?

A. Typically does not cause anemia
B. Not generally associated with intestinal E. coli
C. Can be associated with anxiety and/or depression
D. Not often associated with bloody diarrhea

Correct answer: C

Rationale: Irritable bowel syndrome (IBS) is a gastrointestinal disorder characterized by abdominal pain, bloating, and changes in bowel habits. While IBS can lead to symptoms like diarrhea or constipation, it typically does not cause anemia (choice A), is not generally associated with intestinal E. coli (choice B), and is not often associated with bloody diarrhea (choice D). However, IBS can indeed be associated with anxiety and/or depression (choice C) due to the gut-brain axis, a bidirectional communication system between the gut and the brain. This association is well-documented in IBS patients, highlighting the importance of considering psychological factors in managing the condition.

3. Which statement best conveys an aspect of the role of cerebrospinal fluid (CSF)?

A. CSF provides immune protection to the brain and spinal cord by serving as a physical barrier.
B. CSF cushions the brain and spinal cord, protecting them from injury.
C. CSF plays a limited role in the exchange of nutrients and waste products between the blood and brain.
D. CSF functions primarily as a medium for the transmission of nerve impulses.

Correct answer: B

Rationale: The correct answer is B. Cerebrospinal fluid primarily cushions the brain and spinal cord, protecting them from injury. Choice A is incorrect because while CSF contributes to the brain's immune environment, its main role is not providing immune protection as a physical barrier. Choice C is incorrect because CSF has a significant role in the exchange of nutrients and waste products, rather than a limited one. Choice D is incorrect as CSF is not primarily a medium for nerve impulse transmission, but rather serves as a protective and supportive fluid.

4. Cellular swelling is:

A. Irreversible
B. Evident early in all types of cellular injury
C. Manifested by decreased intracellular sodium
D. None of the above is correct

Correct answer: B

Rationale: Cellular swelling is indeed evident early in all types of cellular injury. This occurs due to the influx of water into the cell, leading to swelling. Choice A is incorrect because cellular swelling is reversible if the injury is not severe. Choice C is incorrect because cellular swelling is not manifested by decreased intracellular sodium; in fact, it is associated with increased intracellular sodium due to water influx. Choice D is incorrect as option B is the correct statement.

5. Which of the following would the nurse see in a client with thrombocytopenia?

A. A decreased platelet cell count
B. Decreased white blood cell count
C. Increased red blood cell count
D. An increased platelet cell count

Correct answer: A

Rationale: Thrombocytopenia is characterized by a decreased platelet cell count, leading to an increased risk of bleeding. Therefore, the correct answer is A. Choice B, a decreased white blood cell count, is not typically associated with thrombocytopenia. Choice C, an increased red blood cell count, is not a characteristic finding in thrombocytopenia. Choice D, an increased platelet cell count, is the opposite of what is observed in thrombocytopenia.