ATI TEAS 7
Anatomy
1. The inability of the kidneys to effectively filter waste products from the blood is called:
- A. Dehydration
- B. Kidney failure
- C. Incontinence
- D. Nephritis
Correct answer: B
Rationale: The correct answer is B: "Kidney failure." Kidney failure refers to the inability of the kidneys to effectively filter waste products from the blood, leading to a buildup of toxins in the body. Dehydration, option A, is the state of lacking adequate fluid in the body and is not specifically related to kidney function. Incontinence, option C, is the loss of bladder control and is unrelated to kidney filtration function. Nephritis, option D, specifically refers to inflammation of the kidneys and may not always result in complete kidney failure. Therefore, the most appropriate answer for the described scenario is B.
2. Stephanie is often seen interacting with the medical intern during coffee breaks and after duty
- A. Formal
- B. Informal
- C. Staff
- D. Line
Correct answer: B
Rationale: The correct answer is 'B: Informal.' Stephanie's interactions with the medical intern during coffee breaks and after duty suggest a casual and friendly relationship, rather than a formal or official one. 'Informal' describes interactions that are relaxed, personal, and not bound by strict professional protocols. In contrast, 'formal' interactions would involve more structured and official communication, such as meetings or professional discussions. 'Staff' and 'line' are not relevant in this context, as they do not describe the nature of the relationship between Stephanie and the medical intern.
3. Vaccines work by stimulating the immune system to develop memory without causing full-blown illness. What type of molecule in a vaccine typically triggers the immune response?
- A. Toxins produced by the pathogen
- B. Live, attenuated (weakened) forms of the pathogen
- C. Inactivated (dead) forms of the pathogen
- D. Antigens (specific molecules) from the pathogen
Correct answer: D
Rationale: The correct answer is D: Antigens (specific molecules) from the pathogen. Vaccines contain antigens, which are specific molecules from the pathogen that trigger the immune response without causing the full-blown illness. By presenting these antigens to the immune system, vaccines stimulate the production of memory cells that can recognize and combat the pathogen in the future. Options A, B, and C are incorrect because vaccines typically do not contain toxins, live attenuated forms, or inactivated forms of the pathogen. Instead, they contain specific antigens to induce an immune response without causing the actual disease.
4. The following epithelium lines the inner surface of the oral cavity, providing a barrier against external insults. Which type of epithelium best fits this description?
- A. Simple squamous epithelium
- B. Stratified squamous epithelium
- C. Simple columnar epithelium
- D. Pseudostratified columnar epithelium
Correct answer: B
Rationale: The correct answer is B: Stratified squamous epithelium. The oral cavity is subjected to mechanical stress and potential injuries from chewing and abrasive food particles. Stratified squamous epithelium is the best choice for this location due to its multiple layers of cells that provide protection against wear and tear. This type of epithelium is well-suited for areas that require a tough, protective barrier, making it ideal for lining the oral cavity. In contrast, simple squamous epithelium is a single layer of flat cells found in locations where filtration or diffusion occurs, not where protection is needed. Simple columnar epithelium and pseudostratified columnar epithelium are better suited for absorption and secretion functions in areas like the intestines and respiratory tract, respectively.
5. Which of the following is a common property of both acids and bases?
- A. React with metals to produce hydrogen gas
- B. Taste sour
- C. Turn blue litmus paper red
- D. Conduct electricity when dissolved in water
Correct answer: d
Rationale: Both acids and bases conduct electricity when dissolved in water. The other choices are specific to either acids or bases.
6. The final sentence suggests that public discourse about AI should focus on
- A. Celebrating the achievements of AI and promoting its widespread adoption in all sectors.
- B. Criticizing the ethical shortcomings of existing AI systems and demanding stricter regulations.
- C. Engaging in open and informed discussions about the potential benefits, risks, and responsible development of AI.
- D. Focusing solely on the technical challenges of AI development and leaving ethical considerations to experts.
Correct answer: C
Rationale: The emphasis on "ongoing public discourse" and "the future of AI in society" suggests a call for open discussions and collective responsibility, aligning with C.
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