ATI TEAS 7
Biology
1. What is the process of copying DNA called?
- A. Transcription
- B. Translation
- C. Replication
- D. Mutation
Correct answer: C
Rationale: Rationale: A) Transcription is the process of creating an RNA copy of a segment of DNA. It involves the synthesis of mRNA from a DNA template. B) Translation is the process of synthesizing a protein from an mRNA template. It involves the conversion of the mRNA sequence into a sequence of amino acids. C) Replication is the process of copying DNA to produce an identical copy. During replication, the DNA double helix unwinds and each strand serves as a template for the synthesis of a new complementary strand, resulting in two identical DNA molecules. D) Mutation refers to a change in the DNA sequence that can result from errors during replication, exposure to mutagens, or other factors. While mutations can occur during replication, the process of copying DNA itself is called replication.
2. Which functional group is commonly found in ketones?
- A. Hydroxyl
- B. Carbonyl
- C. Ester
- D. Amine
Correct answer: B
Rationale: Ketones have the functional group -CO-, which is a carbonyl group. The other choices are associated with different functional groups
3. A study finds a link between increased sugar intake and obesity. Does this confirm sugar causes obesity?
- A. Yes, the study definitively proves causation.
- B. No, correlation does not equal causation, other factors might be involved.
- C. We need more research to isolate the specific role of sugar.
- D. This only applies to people with genetic predispositions to obesity.
Correct answer: C
Rationale: Correlation suggests a link, but other factors might contribute. Further research is needed to establish the direction and strength of any causal relationship.
4. Which orbital can hold a maximum of 8 electrons?
- A. s orbital
- B. p orbital
- C. d orbital
- D. f orbital
Correct answer: C
Rationale: d orbital - Each d orbital can hold a maximum of 2 electrons, and there are 5 d orbitals, totaling 10 possible electrons.
5. A medication dosage is listed as 1/4 gram. What is the equivalent dosage in milligrams (1 gram = 1000 milligrams)?
- A. 125mg
- B. 250mg
- C. 375mg
- D. 500mg
Correct answer: D
Rationale: Multiply the gram dosage (1/4) by the conversion factor (1000mg/gram) to get 250 milligrams.
6. Which pattern of nursing care involves the care given by a group of paraprofessional workers
- A. Case method
- B. Modular nursing
- C. Nursing case management
- D. Team nursing
Correct answer: A
Rationale: The correct answer is A: 'Case method.' The case method of nursing care involves the care provided by a group of paraprofessional workers, such as nursing assistants or aides, under the supervision of professional nurses. In this model, the nursing team works together to deliver care to a group of patients based on their specific needs and conditions. This method allows for efficient and coordinated care delivery, with each member of the team playing a crucial role in meeting the patients' healthcare needs. It is important for nurses to effectively delegate tasks and supervise paraprofessional workers in the case method model to ensure high-quality care and patient safety.
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