ATI RN
ATI Fundamentals Proctored Exam 2023 Quizlet
1. 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.
2. Which chamber of the heart receives oxygenated blood from the lungs?
- A. Left atrium
- B. Right atrium
- C. Left ventricle
- D. Right ventricle
Correct answer: A
Rationale: The correct answer is A, the left atrium. The left atrium receives oxygenated blood from the lungs through the pulmonary veins. This blood is then pumped into the left ventricle before being circulated throughout the body. The right atrium, represented by choice B, actually receives deoxygenated blood from the body through the vena cava. Choices C and D, the left ventricle and right ventricle respectively, are chambers involved in pumping blood out of the heart to the body and lungs, rather than receiving blood from the lungs.
3. What is the primary purpose of handwashing?
- A. To promote hand circulation
- B. To prevent the transfer of microorganisms
- C. To avoid touching the client with a dirty hand
- D. To provide comfort
Correct answer: B
Rationale: The primary purpose of handwashing is to prevent the transfer of microorganisms. Proper hand hygiene helps reduce the risk of spreading harmful bacteria and viruses, thus promoting overall health and preventing infections. Choice A is incorrect as handwashing primarily focuses on cleanliness rather than promoting circulation. Choice C is incorrect as it implies that the main concern is avoiding client discomfort rather than preventing infection. Choice D is incorrect as while handwashing can be comforting in some situations, its primary purpose is not to provide comfort but to maintain hygiene.
4. When preparing to administer an IM injection that is irritating to the subcutaneous tissue, what is the best action to prevent tracking of the medication?
- A. Use a small gauge needle
- B. Apply ice on the injection site
- C. Administer at a 45° angle
- D. Use the Z-track technique
Correct answer: D
Rationale: The Z-track technique is the best action to prevent tracking of the medication when administering an IM injection that is irritating to the subcutaneous tissue. This technique involves pulling the skin to the side before administering the injection and then releasing the skin after the injection. By doing so, a zig-zag pathway is created, preventing the medication from leaking into the subcutaneous tissue and reducing irritation. Options A, B, and C are incorrect. Using a small gauge needle may not prevent tracking of the medication. Applying ice on the injection site or administering at a 45° angle does not specifically address preventing tracking of the medication in cases where the injection is irritating to the subcutaneous tissue.
5. What is the most common cause of dementia among elderly persons?
- A. Parkinson’s disease
- B. Multiple sclerosis
- C. Amyotrophic lateral sclerosis (Lou Gehrig’s disease)
- D. Alzheimer’s disease
Correct answer: D
Rationale: Alzheimer’s disease is the most common cause of dementia among elderly persons. It is a progressive neurodegenerative disorder that affects memory, thinking, and behavior. While Parkinson’s disease, multiple sclerosis, and amyotrophic lateral sclerosis are serious conditions, they are not typically associated with dementia in the same way Alzheimer’s disease is. Therefore, the correct answer is D.
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