ATI RN
ATI Pharmacology Proctored Exam
1. A client is receiving treatment with methotrexate. Which of the following supplements should the nurse instruct the client to take?
- A. Folic acid
- B. Vitamin D
- C. Calcium
- D. Iron
Correct answer: A
Rationale: The nurse should instruct the client to take folic acid when receiving treatment with methotrexate to reduce the risk of methotrexate toxicity. Methotrexate acts as a folic acid antagonist, leading to folic acid deficiency, which can be counteracted by supplementing with folic acid. Vitamin D, calcium, and iron are not specifically recommended to counteract methotrexate effects and do not play a significant role in mitigating methotrexate toxicity.
2. What are the priority lab values to monitor in a patient with HIV?
- A. CD4 T-cell count below 180 cells/mm3
- B. White blood cell count
- C. Hemoglobin levels
- D. Serum albumin levels
Correct answer: A
Rationale: The correct answer is A: CD4 T-cell count below 180 cells/mm3. Monitoring the CD4 T-cell count is crucial in patients with HIV as it indicates the level of immunocompromise. A CD4 count below 180 cells/mm3 is considered severe immunocompromise and requires close monitoring and intervention. Choices B, C, and D are not the priority lab values to monitor in HIV patients. While white blood cell count, hemoglobin levels, and serum albumin levels can provide valuable information about the patient's health status, they are not as specific or indicative of HIV disease progression and management as the CD4 T-cell count.
3. An adolescent client reports recurrent abdominal pain with diarrhea and bloody stools. Which type of inflammatory bowel disease does the nurse suspect based on these data?
- A. Necrotizing enterocolitis (NEC)
- B. Ulcerative colitis (UC)
- C. Crohn's disease
- D. Appendicitis
Correct answer: B
Rationale: Ulcerative colitis is a type of inflammatory bowel disease characterized by recurrent abdominal pain, diarrhea, and bloody stools. The symptoms described align with the clinical presentation of ulcerative colitis, making it the most likely diagnosis in this scenario. Necrotizing enterocolitis primarily affects premature infants, Crohn's disease typically presents with non-bloody diarrhea, and appendicitis is characterized by right lower quadrant abdominal pain. Therefore, based on the symptoms provided, ulcerative colitis is the most appropriate suspicion.
4. What structures hold up the AV valves and are anchored to the ventricular wall by the papillary muscles?
- A. Chordae tendineae
- B. Papillary muscles
- C. Semilunar valves
- D. Aortic valve
Correct answer: A
Rationale: The correct answer is A: Chordae tendineae. Chordae tendineae are fibrous cords that connect the AV valves to the papillary muscles, preventing the valves from inverting during ventricular contraction. Papillary muscles (choice B) anchor the chordae tendineae to the ventricular wall but do not hold up the AV valves directly. Semilunar valves (choice C) are located between the ventricles and the major arteries and are not involved in holding up the AV valves. The aortic valve (choice D) is one of the semilunar valves and is not responsible for holding up the AV valves.
5. The nurse has given post-procedure instructions to a client who underwent a colonoscopy. Evaluation of learning would be evident if the client makes which statement(s)?
- A. All below
- B. “My abdominal muscles may be tender because of the procedure.”
- C. “My diet should be light at first, and then I can progress to a regular diet.”
- D. “It is normal to feel gassy or bloated for a short while after the procedure.”
Correct answer: A
Rationale: Mild tenderness, a light diet initially, and gas or bloating are expected after a colonoscopy.
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