ATI RN
Final Exam Pathophysiology
1. A child is experiencing difficulty with chewing and swallowing. The nurse knows that which cells may be innervating specialized gut-related receptors that provide taste and smell?
- A. Special somatic afferent fibers
- B. General somatic afferents
- C. Special visceral afferent cells
- D. General visceral afferent neurons
Correct answer: C
Rationale: The correct answer is C: Special visceral afferent cells. These cells are responsible for innervating taste and smell receptors related to the gut. Special somatic afferent fibers (choice A) are involved in sensations like touch and proprioception, not taste and smell. General somatic afferents (choice B) carry sensory information from the skin and musculoskeletal system, not taste and smell. General visceral afferent neurons (choice D) transmit sensory information from internal organs, but not specifically related to taste and smell sensations.
2. A group of prison inmates developed tuberculosis following exposure to an infected inmate. On examination, tissues were soft and granular (like clumped cheese). Which of the following is the most likely cause?
- A. Coagulative necrosis
- B. Liquefactive necrosis
- C. Caseous necrosis
- D. Autonecrosis
Correct answer: C
Rationale: The correct answer is C. Caseous necrosis is characteristic of tuberculosis, where the tissue has a soft, cheese-like appearance. Coagulative necrosis involves protein denaturation, liquefactive necrosis is seen in brain infarcts and abscesses, and autonecrosis is not a recognized term in pathology, making them incorrect choices in this scenario.
3. A 20-year-old college student has presented to her campus medical clinic for a scheduled Pap smear. The clinician who will interpret the smear will examine cell samples for evidence of:
- A. Changes in cell shape, size, and organization
- B. Presence of unexpected cell types
- C. Ischemic changes in cell sample
- D. Abnormally high numbers of cells
Correct answer: A
Rationale: The correct answer is changes in cell shape, size, and organization (Choice A). Pap smears are performed to detect potential precancerous or cancerous conditions by examining the cells for any abnormalities in their shape, size, or organization. This helps in identifying early signs of cervical cancer. Choices B, C, and D are incorrect because Pap smears primarily focus on detecting cellular changes associated with cancer, not unexpected cell types, ischemic changes, or abnormally high numbers of cells.
4. Prior to leaving on a backpacking trip to Southeast Asia, a college student has received a tetanus booster shot. This immunization confers protection by way of what immune process?
- A. Passive natural immunity
- B. Active natural immunity
- C. Passive artificial immunity
- D. Active artificial immunity
Correct answer: D
Rationale: The correct answer is D: Active artificial immunity. A tetanus booster shot confers protection through active artificial immunity. Active immunity involves the body producing its antibodies in response to an antigen, providing long-lasting protection. In this case, the tetanus booster shot triggers the student's immune system to produce specific antibodies against tetanus toxins. Choices A, B, and C are incorrect because passive immunity does not involve the individual's immune system producing antibodies; instead, it involves the direct transfer of antibodies from another source (natural or artificial) for immediate, but temporary, protection.
5. When communicating with a client who has cognitive impairment, which of the following will Nurse Dory use?
- A. Complete explanations with multiple details
- B. Pictures or gestures instead of words
- C. Stimulating words and phrases to capture the client’s attention
- D. Short words and simple sentences
Correct answer: D
Rationale: Nurse Dory will use short words and simple sentences when communicating with a client who has cognitive impairment. This approach is effective because it helps improve understanding and comprehension for individuals with cognitive challenges. Choice A is incorrect because complete explanations with multiple details may overwhelm or confuse clients with cognitive impairment. Choice B is not the most effective option as using pictures or gestures instead of words may not always be practical or necessary. Choice C is also not ideal as stimulating words and phrases may cause distraction rather than enhance communication for clients with cognitive impairment.
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