ATI TEAS 7
physics
1. What is the relationship between work, force, and displacement?
- A. Work is directly proportional to force but inversely proportional to displacement
- B. Work is directly proportional to both force and displacement
- C. Work is inversely proportional to force but directly proportional to displacement
- D. Work is inversely proportional to both force and displacement
Correct answer: b
Rationale: Work done is the product of force and displacement in the direction of the force.
2. She decides to have a decentralized staffing system. Which of the following is an advantage
- A. greater control of activities
- B. Conserves time
- C. Compatible with computerization
- D. Promotes better interpersonal relationship
Correct answer: A
Rationale: The correct answer is A: 'greater control of activities.' Having a decentralized staffing system allows for the delegation of decision-making to lower levels of the organization, which can result in greater control over activities. This can lead to quicker responses to issues and better alignment with specific departmental needs. Options B, C, and D do not directly relate to the advantage of a decentralized staffing system. While conserving time, compatibility with computerization, and promoting better interpersonal relationships are important considerations in staffing decisions, they do not specifically align with the advantage of greater control that a decentralized system provides.
3. Which organelle is responsible for the final stages of protein modification and packaging for secretion in animal cells?
- A. Rough endoplasmic reticulum (RER)
- B. Smooth endoplasmic reticulum (SER)
- C. Ribosomes
- D. Golgi apparatus
Correct answer: D
Rationale: The Golgi apparatus is responsible for the final stages of protein modification and packaging for secretion in animal cells. After proteins are synthesized in the rough endoplasmic reticulum (RER) and modified in the Golgi apparatus, they are packaged into vesicles for secretion. The smooth endoplasmic reticulum (SER) is involved in lipid and carbohydrate metabolism, while ribosomes are responsible for protein synthesis on the RER. Therefore, the Golgi apparatus is the correct organelle for the final processing and packaging of proteins for secretion in animal cells.
4. Acids are generally characterized by a sour taste and the ability to:
- A. Turn litmus paper blue
- B. Conduct electricity in solution
- C. Neutralize bases
- D. React explosively with metals
Correct answer: B
Rationale: Acids release hydrogen ions (H+) in solution, allowing electrical conductivity
5. What is the name of the structure that packages DNA in eukaryotic cells?
- A. Nucleosome
- B. Chromatin
- C. Histone
- D. Centromere
Correct answer: A
Rationale: Rationale: - A nucleosome is the basic structural unit of DNA packaging in eukaryotic cells. It consists of DNA wrapped around a core of histone proteins. - Chromatin refers to the complex of DNA and proteins found in the nucleus of a eukaryotic cell, including nucleosomes. - Histones are the proteins around which DNA is wrapped to form nucleosomes. - Centromere is a region of a chromosome where the two sister chromatids are joined and to which spindle fibers attach during cell division.
6. Identify the noun in the following sentence: The aroma of freshly baked bread filled the kitchen.
- A. filled
- B. kitchen
- C. aroma
- D. freshly
Correct answer: C
Rationale: Nouns name people, places, things, or ideas. "Aroma" names a specific type of smell.
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