ATI TEAS 7
physics
1. What is the relationship between work and kinetic energy?
- A. Work is the cause of kinetic energy
- B. Kinetic energy is the cause of work
- C. Work and kinetic energy are the same
- D. Work and kinetic energy are unrelated
Correct answer: a
Rationale: Work done on an object can change its kinetic energy, either increasing or decreasing it.
2. Which of the following minerals is important for bone health and is stored in bones by the skeletal system?
- A. Iron
- B. Sodium
- C. Calcium
- D. Magnesium
Correct answer: C
Rationale: The correct answer is C: Calcium. Calcium is essential for maintaining strong and healthy bones. It is a key mineral stored in bones by the skeletal system, where it provides structural support and strength. Adequate calcium intake is crucial for preventing bone diseases like osteoporosis and ensuring proper bone formation and density. Iron (A), Sodium (B), and Magnesium (D) are important minerals for various bodily functions but are not primarily responsible for bone health and storage in bones by the skeletal system.
3. What is the function of ribosomes?
- A. Packaging and transporting proteins
- B. Storing genetic material
- C. Controlling cell division
- D. Synthesizing proteins
Correct answer: D
Rationale: The correct answer is D: 'Synthesizing proteins.' Ribosomes are the cellular organelles responsible for protein synthesis. They read the mRNA and assemble amino acids into proteins according to the genetic information encoded in the mRNA. This process is crucial for building and maintaining cellular structures, enzymes, and various other proteins essential for the functioning of the cell. Options A, B, and C do not accurately describe the primary function of ribosomes, making them incorrect choices for this question.
4. The tonsils and adenoids are part of the lymphatic system located in the:
- A. Chest cavity
- B. Abdominal cavity
- C. Head and neck region
- D. Pelvic cavity
Correct answer: C
Rationale: The tonsils and adenoids are part of the lymphatic system and are located in the head and neck region. These structures help protect the body from infections by trapping pathogens that enter through the mouth and nose. The tonsils are located at the back of the throat, while the adenoids are located higher in the throat. They play a crucial role in the body's immune response, producing antibodies and helping to fight off bacteria and viruses that are inhaled or ingested. Therefore, the correct answer is C, the head and neck region.
5. The least common multiple (LCM) of two numbers is the smallest number that is a multiple of both. Which of the following represents the LCM of 14 and 21?
- A. 42
- B. 63
- C. 84
- D. 168
Correct answer: C
Rationale: We can list out the multiples of each number until we find a common multiple. 14, 28, 42, 56, 84, ... 21, 42, 63, 84, ... The least common multiple is 84.
6. Which adjective best describes the following setting: "A lone cabin stood nestled amongst towering pines, smoke curling from its chimney into the crisp mountain air."
- A. Bland
- B. Urban
- C. Idyllic
- D. Sterile
Correct answer: C
Rationale: "Idyllic" captures the peaceful and picturesque nature of the setting.
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