ATI RN
ATI Fundamentals Proctored Exam 2023 Quizlet
1. What is the best description of resonance?
- A. Sounds created by air-filled structures
- B. Short, high-pitched, and thudding
- C. Moderately loud with a musical quality
- D. Drum-like
Correct answer: A
Rationale: Resonance refers to the quality of sound produced by vibrations that are reinforced by other vibrations of the same frequency. In the context of the human body, resonance is often associated with sounds produced by air-filled structures like the lungs, vocal cords, and resonating cavities. Therefore, the best description of resonance from the given options is 'Sounds created by air-filled structures.' This choice aligns with the concept of resonance as it relates to sound production in the human body. Choices B, C, and D are incorrect as they do not specifically relate to the concept of resonance or its association with air-filled structures.
2. In which of the following organs does the exchange of gases take place?
- A. Kidneys
- B. Lungs
- C. Liver
- D. Heart
Correct answer: B
Rationale: The exchange of gases, specifically oxygen and carbon dioxide, occurs in the lungs. In the lungs, oxygen from the air we breathe enters the bloodstream, while carbon dioxide is removed from the bloodstream and exhaled. This process is essential for respiration and supplying the body with oxygen for energy production. The kidneys filter waste from the blood to produce urine and regulate fluid balance (Choice A). The liver is involved in detoxification, protein synthesis, and producing bile (Choice C). The heart is responsible for pumping blood throughout the body to deliver oxygen and nutrients (Choice D).
3. How many milliliters are equal to 20 cc?
- A. 2
- B. 20
- C. 2000
- D. 20000
Correct answer: B
Rationale: 1 cc (cubic centimeter) is equal to 1 ml. Therefore, 20 cc is equal to 20 ml. To convert between cubic centimeters (cc) and milliliters (ml), the values are equivalent since they both measure volume in the metric system. Choice A (2) is incorrect as it does not account for the direct conversion between cc and ml. Choice C (2000) and choice D (20000) are incorrect as they represent conversions based on a misunderstanding of the relationship between cc and ml.
4. Before rigor mortis occurs, what is the nurse responsible for?
- A. Providing a complete bath and dressing change
- B. Placing one pillow under the body’s head and shoulders
- C. Removing the body’s clothing and wrapping the body in a shroud
- D. Allowing the body to relax normally
Correct answer: B
Rationale: Before rigor mortis occurs, the nurse is responsible for placing a pillow under the body's head and shoulders. This action helps maintain proper positioning, prevent postmortem changes, and ensure a dignified appearance. Providing a complete bath and dressing change, removing clothing, or wrapping the body in a shroud are tasks typically performed after rigor mortis sets in or later in the postmortem care process. Allowing the body to relax normally does not address the immediate need for proper positioning before rigor mortis occurs.
5. What is the transparent membrane that focuses the light entering the eyes onto the retina?
- A. Lens
- B. Sclera
- C. Cornea
- D. Pupils
Correct answer: A
Rationale: The correct answer is the lens. The lens is a transparent structure in the eye that helps to focus light onto the retina, which is essential for clear vision. The cornea and sclera are also important parts of the eye, but the lens specifically plays a crucial role in focusing light onto the retina. The sclera is the white outer layer of the eye that helps maintain the shape of the eye, while the cornea is the clear outer covering of the eye that helps to refract light into the eye.
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