ATI TEAS 7
Metric Conversions for Nursing
1. Convert 0.29 pounds to ounces.
- A. 2.9 ounces
- B. 4.64 ounces
- C. 29 ounces
- D. 46.4 ounces
Correct answer: B
Rationale: To convert pounds to ounces, you need to know that there are 16 ounces in a pound. Multiplying 0.29 pounds by 16 gives you 4.64 ounces. Therefore, the correct answer is B. Choice A (2.9 ounces) is incorrect as it doesn't consider the conversion factor of 16 ounces per pound. Choice C (29 ounces) and Choice D (46.4 ounces) are incorrect because they incorrectly interpret the conversion from pounds to ounces.
2. What is the correct arrangement of the small intestine segments, from the stomach to the large intestine?
- A. Duodenum, Jejunum, Ileum
- B. Jejunum, Ileum, Duodenum
- C. Ileum, Duodenum, Jejunum
- D. None of the above
Correct answer: A
Rationale: The correct arrangement of the small intestine segments, from the stomach to the large intestine, is Duodenum, Jejunum, and Ileum. The small intestine begins with the duodenum, then continues to the jejunum, and finally, it ends with the ileum before connecting to the large intestine. Option A, 'Duodenum, Jejunum, Ileum,' is the correct sequence. Choices B and C have the segments in incorrect order, not following the anatomical arrangement of the small intestine. Therefore, they are incorrect. Option D, 'None of the above,' is also incorrect as the correct sequence is provided in option A.
3. Which of the following is responsible for maintaining homeostasis in the body?
- A. Brainstem
- B. Hypothalamus
- C. Medulla oblongata
- D. Cerebrum
Correct answer: B
Rationale: The correct answer is the Hypothalamus (choice B). The hypothalamus plays a crucial role in maintaining homeostasis by regulating various bodily functions such as hunger, thirst, body temperature, and sleep cycles. While the brainstem (choice A) is involved in basic life functions like breathing and heart rate, it is not primarily responsible for maintaining homeostasis. The medulla oblongata (choice C) is part of the brainstem and controls vital autonomic functions like breathing and heart rate, but it is not the main regulator of homeostasis. The cerebrum (choice D) is responsible for higher brain functions such as thinking, memory, and voluntary movement, but it is not directly involved in maintaining overall bodily balance or homeostasis.
4. Which muscle has involuntary cells that are branched and striated and connected by intercalated discs with gap junctions?
- A. Smooth muscle
- B. Cardiac muscle
- C. Skeletal muscle
- D. Epithelial muscle
Correct answer: B
Rationale: The correct answer is B: Cardiac muscle. Cardiac muscle cells fit the description provided in the question; they are involuntary, striated, and branched, with intercalated discs containing gap junctions that allow for synchronized contractions of the heart. Smooth muscle (choice A) lacks striations and is found in the walls of internal organs. Skeletal muscle (choice C) is voluntary and attaches to bones for movement. 'Epithelial muscle' (choice D) is not a valid muscle type, making it an incorrect choice.
5. Which of the following statements would require a citation?
- A. The rate of increase in gasoline prices is unprecedented.
- B. I saw on the news that gas prices are increasing.
- C. Economic Times reported that gas prices are up 11% from last month.
- D. My friend and I were shocked by how much gas cost when we filled up yesterday.
Correct answer: C
Rationale: The correct answer is C because when referencing a specific report, publication, or statistic like 'gas prices are up 11% from last month,' a citation is necessary to provide credibility and allow readers to verify the information. Choice A is a general statement about gasoline prices and does not require a citation as it is commonly known information. Choice B is a personal observation and not a direct reference to a specific source that would require a citation. Choice D is an anecdotal experience and does not present verifiable data that necessitates a citation.
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