ATI RN
ATI Pathophysiology Exam 1
1. What is the best way to prevent transmission of infectious agents?
- A. Take antibiotics daily
- B. Call the practitioner for herbal supplements
- C. Wash hands
- D. Avoid public areas as much as possible
Correct answer: C
Rationale: The correct answer is C: Wash hands. Washing hands is the most effective way to prevent the transmission of infectious agents. Antibiotics are not effective in preventing infections, and their overuse can lead to antibiotic resistance. Calling a practitioner for herbal supplements is not a primary method for preventing the transmission of infectious agents. Avoiding public areas entirely is impractical and not as effective as proper hand hygiene.
2. Which of the following is NOT an example of clinical manifestations of leukemia and lymphoma?
- A. Fatigue
- B. Increased risk of bleeding
- C. Increased risk of infections
- D. Increased energy and strength
Correct answer: D
Rationale: The correct answer is D: Increased energy and strength. Leukemia and lymphoma typically present with symptoms such as fatigue, weakness, increased risk of bleeding, and increased risk of infections. Patients with these conditions often experience a lack of energy and strength due to the disease's impact on the body. Therefore, increased energy and strength are not typical manifestations of leukemia and lymphoma.
3. Which manifestation of stress reflects the non-specific fight or flight response?
- A. Decreased pupillary light response
- B. Increased GI motility
- C. Decreased short-term memory
- D. Increased cardiopulmonary rates
Correct answer: D
Rationale: The correct answer is D, 'Increased cardiopulmonary rates.' The fight or flight response, activated by stress, is a non-specific physiological reaction that prepares the body to deal with perceived threats. In this response, the heart rate and breathing rate increase to supply more oxygen to muscles and vital organs, enabling a rapid response in dangerous situations. Choices A, B, and C are incorrect because decreased pupillary light response, increased GI motility, and decreased short-term memory are not typical manifestations of the fight or flight response.
4. Why is it important for a patient to take a new oral contraceptive at the same time each day?
- A. Taking the medication at the same time each day helps maintain stable hormone levels, which is critical for preventing pregnancy.
- B. Taking the medication at the same time each day reduces the risk of breakthrough bleeding.
- C. Taking the medication at the same time each day ensures consistent absorption and effectiveness.
- D. Taking the medication at the same time each day is important, but missing a dose occasionally is not a concern.
Correct answer: A
Rationale: The correct answer is A. Taking oral contraceptives at the same time each day is crucial for maintaining stable hormone levels, which is essential for the contraceptive's effectiveness in preventing pregnancy. Choice B is incorrect because the primary reason for taking the medication consistently is hormone level stability, not specifically to reduce breakthrough bleeding. Choice C is incorrect as it focuses on absorption and effectiveness, which are important but do not address the main reason for consistent timing. Choice D is incorrect because missing doses can impact contraceptive efficacy, making consistent timing essential for optimal protection.
5. A 21-year-old female was recently diagnosed with iron deficiency anemia. In addition to fatigue and weakness, which of the following clinical signs and symptoms would she most likely exhibit?
- A. Hyperactivity
- B. Spoon-shaped nails
- C. Gait problems
- D. Petechiae
Correct answer: B
Rationale: The correct answer is B: Spoon-shaped nails. In iron deficiency anemia, spoon-shaped nails (koilonychia) are a common symptom due to changes in the nail bed. This condition is known as Plummer-Vinson syndrome. While fatigue and weakness are common in iron deficiency anemia, hyperactivity (choice A) is not typically associated with this condition. Gait problems (choice C) and petechiae (choice D) are more commonly seen in other medical conditions and are not characteristic of iron deficiency anemia.
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