ATI RN
ATI Pathophysiology Exam 2
1. A client diagnosed with Bell's palsy is receiving discharge teaching from a nurse. Which statement made by the client indicates an understanding of the condition?
- A. I should avoid moving my face excessively to prevent worsening of symptoms.
- B. This condition usually resolves on its own within a few weeks or months.
- C. Bell's palsy is caused by a stroke and requires immediate medical treatment.
- D. I will need to take antiviral medication for the rest of my life to manage this condition.
Correct answer: B
Rationale: The correct answer is B. Bell's palsy typically resolves on its own within a few weeks to months. Choice A is incorrect because gentle facial exercises are often encouraged to prevent muscle weakness. Choice C is incorrect as Bell's palsy is not caused by a stroke but by inflammation of the facial nerve. Choice D is incorrect as antiviral medication is usually given early in the diagnosis but not required for lifelong management.
2. 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.
3. A hemoglobin electrophoresis is done to evaluate for sickle cell disease. The report reveals the person has HbAS, which means the person:
- A. is normal with no sickle cell disease.
- B. is a sickle cell carrier.
- C. has sickle cell anemia.
- D. has thalassemia.
Correct answer: B
Rationale: The correct answer is that the person is a sickle cell carrier. In HbAS, 'Hb' stands for hemoglobin, 'A' indicates normal hemoglobin, and 'S' indicates the sickle cell trait. Individuals with HbAS are carriers of the sickle cell trait but do not have sickle cell disease. Choice A is incorrect because having the sickle cell trait means carrying the gene for sickle cell disease. Choice C is incorrect as sickle cell anemia is a different condition where individuals have two copies of the abnormal hemoglobin gene, resulting in the disease. Choice D is incorrect because thalassemia is a separate genetic disorder affecting the production of hemoglobin, not related to the sickle cell trait.
4. What is the main function of the mitochondria in a cell?
- A. To produce energy in the form of ATP
- B. To synthesize proteins
- C. To store genetic information
- D. To regulate cell growth
Correct answer: A
Rationale: The correct answer is A: To produce energy in the form of ATP. Mitochondria are known as the powerhouse of the cell because they are responsible for producing energy in the form of ATP through a process called cellular respiration. This energy is essential for various cellular activities. Choice B is incorrect because protein synthesis primarily occurs in the ribosomes. Choice C is incorrect as the genetic information is stored in the cell's nucleus. Choice D is incorrect as the regulation of cell growth involves various other organelles and processes within the cell.
5. What clinical manifestations would the nurse expect to find in a client who is experiencing anaphylaxis?
- A. Dilated bronchioles, constriction of peripheral blood vessels, decreased capillary permeability
- B. Asthma, deep vein thrombosis, hepatic encephalopathy
- C. Narrowing of the bronchioles, dilation of the peripheral blood vessels, increased capillary permeability
- D. Left-sided heart failure, pulmonary embolism, urinary tract infection
Correct answer: C
Rationale: In anaphylaxis, the client would present with narrowing of the bronchioles, dilation of the peripheral blood vessels, and increased capillary permeability. These manifestations lead to symptoms such as difficulty breathing, low blood pressure, and swelling. Choices A, B, and D are incorrect because they do not describe the typical clinical manifestations of anaphylaxis.
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