ATI TEAS 7
Anatomy
1. Dietary fiber, although not fully digested by the body, plays a crucial role in digestion. What is one of the main benefits of consuming sufficient dietary fiber?
- A. Provides a concentrated source of energy
- B. Aids in the absorption of vitamins and minerals
- C. Promotes satiety and gut health
- D. Breaks down complex carbohydrates
Correct answer: C
Rationale: Consuming sufficient dietary fiber promotes satiety and gut health. Fiber adds bulk to the diet, which helps you feel full and satisfied after meals, reducing overeating. Additionally, fiber helps regulate bowel movements by promoting healthy digestion and preventing constipation. It also feeds beneficial gut bacteria, supporting a healthy gut microbiome. While fiber does not provide energy like carbohydrates, it is essential for overall digestive health and can help prevent various chronic diseases.
2. ch element shares the same group (family) on the periodic table with helium (He)?
- A. Neon (Ne)
- B. Boron (B)
- C. Carbon (C)
- D. Oxygen (O)
Correct answer: A
Rationale: Elements within the same group share similar electron configurations in their outermost shells, resulting in comparable chemical properties. Helium and Neon both belong to Group 18 (Noble Gases), explaining their similarities.
3. A lampshade is shaped like a frustum of a cone, with base diameters of 20cm and 10cm and a height of 15cm. What is its volume?
- A. 625 cu cm
- B. 1250 cu cm
- C. 1875 cu cm
- D. 2500 cu cm
Correct answer: C
Rationale: This requires dividing the frustum into two cones and calculating their individual volumes before subtracting them. The formula for a cone frustum involves the radii of both bases and the height.
4. The lymphatic system is primarily responsible for:
- A. Transporting nutrients throughout the body
- B. Removing excess fluids and waste products from tissues
- C. Producing red blood cells
- D. Regulating body temperature
Correct answer: B
Rationale: The correct answer is B: 'Removing excess fluids and waste products from tissues.' The lymphatic system plays a crucial role in maintaining fluid balance in the body by collecting excess interstitial fluid and returning it to the bloodstream. This system also helps in removing waste products, pathogens, and toxins from tissues, contributing to the body's immune response. Options A, C, and D are incorrect because transporting nutrients, producing red blood cells, and regulating body temperature are primarily the functions of other systems in the body such as the circulatory system, bone marrow, and the thermoregulatory system, respectively.
5. What are some potential applications of understanding atomic structure in modern technology?
- A. Designing new materials with tailored properties.
- B. Developing advanced electronics and nanotechnology
- C. Improving nuclear energy production and safety.
- D. All of the above.
Correct answer: D
Rationale: Understanding atomic structure is crucial in various technological advancements. Designing new materials with tailored properties requires knowledge of atomic structure to manipulate their characteristics. Developing advanced electronics and nanotechnology involves working at the atomic level to create smaller, faster, and more efficient devices. Improving nuclear energy production and safety also relies on understanding atomic structure to enhance reactor design and safety measures. Therefore, all of the options provided (A, B, and C) are potential applications of understanding atomic structure in modern technology.
6. What is the term for a solution with a pH value less than 7?
- A. Acidic
- B. Neutral
- C. Alkaline
- D. Basic
Correct answer: a
Rationale: Solutions with a pH less than 7 are acidic. The other choices do not accurately describe solutions with a pH less than 7.
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