ATI TEAS 7
Chemistry
1. Neon (Ne). Both He and Ne belong to Group 18 (Noble Gases) due to their complete and stable outer electron shells.
- A. Electromagnetism
- B. Gravity
- C. Strong nuclear force
- D. Weak nuclear force
Correct answer: C
Rationale: Strong nuclear force. This incredibly powerful force overcomes the repulsive electrostatic force between protons and binds the nucleus together.
2. What is the final stage of both mitosis and meiosis?
- A. Interphase
- B. Telophase
- C. Cytokinesis
- D. G1 phase
Correct answer: B
Rationale: Rationale: - Interphase (option A) is not the final stage of mitosis or meiosis; it is the phase before cell division where the cell prepares for division by growing and replicating its DNA. - Telophase (option B) is the final stage of both mitosis and meiosis. During telophase, the separated chromosomes reach opposite poles of the cell, the nuclear membrane reforms around each set of chromosomes, and the chromosomes begin to decondense. - Cytokinesis (option C) is the process of dividing the cytoplasm to form two separate daughter cells. While it occurs after telophase, it is not considered the final stage of mitosis or meiosis. - G1 phase (option D) is the first gap phase in the cell cycle, occurring before DNA replication. It is not the final stage of mitosis or meiosis.
3. Which of the following is an example of an aromatic compound?
- A. Ethanol
- B. Toluene
- C. Acetone
- D. Butanal
Correct answer: B
Rationale: Toluene is an aromatic compound. The other choices are not aromatic compounds.
4. What happens to the speed of a sound wave when it travels from air to water?
- A. It increases because water is denser.
- B. It decreases because water is denser.
- C. It remains the same.
- D. Speed depends on the frequency, not the medium.
Correct answer: A
Rationale: Sound waves travel faster in denser mediums like water compared to air due to stronger interactions between particles.
5. What is the process of making copies of DNA called?
- A. Transcription
- B. Translation
- C. Replication
- D. DNA repair
Correct answer: C
Rationale: Rationale: A) Transcription is the process of synthesizing RNA from a DNA template. It involves the creation of mRNA molecules from a DNA template. B) Translation is the process of synthesizing proteins from mRNA. During translation, the genetic code carried by mRNA is decoded to produce a specific sequence of amino acids, forming a protein. C) Replication is the process of making copies of DNA. This process occurs before cell division and ensures that each daughter cell receives an identical copy of the genetic material. D) DNA repair is a cellular mechanism that corrects errors in DNA that arise due to various factors such as exposure to mutagens or mistakes during DNA replication. It is essential for maintaining the integrity of the genetic material.
6. Ms. Valencia develops the standards to be followed. Among the following standards, which is
- A. The patients verbalized satisfaction of the nursing care received
- B. Rotation of duty will be done every four weeks for all patient care personnel.
- C. All patients shall have their weights taken recorded
- D. Patients shall answer the evaluation form before discharge
Correct answer: C
Rationale: The correct answer is C because it is a clear and specific standard that can be easily measured and monitored. Weight recording is a fundamental aspect of patient care and is essential for tracking changes in health status. Verbalized satisfaction (option A) is subjective and may not be consistently measurable. Rotation of duty (option B) is important but may not be a standard developed by a nurse manager. Answering an evaluation form before discharge (option D) is important but may not be a standard created by Ms. Valencia for all patients.
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