ATI TEAS 7
Biology
1. Which macromolecule serves as the repository of genetic information in all living organisms?
- A. Ribonucleic acid (RNA)
- B. Deoxyribonucleic acid (DNA)
- C. Protein
- D. Carbohydrate
Correct answer: B
Rationale: Rationale: - DNA is the macromolecule that serves as the repository of genetic information in all living organisms. It carries the genetic instructions necessary for the growth, development, functioning, and reproduction of organisms. - RNA (option A) is involved in various cellular processes, including protein synthesis, but DNA is the primary molecule responsible for storing genetic information. - Proteins (option C) are essential for various cellular functions but do not serve as the primary repository of genetic information. - Carbohydrates (option D) are important for energy storage and structural support but do not store genetic information.
2. As a young manager, she knows that conflict occurs in any organization. Which of the
- A. Can be destructive if the level is too high
- B. Is not beneficial; hence it should be prevented at all times
- C. May result in poor performance
- D.
Correct answer: C
Rationale: Conflict in an organization is a natural occurrence that can either be constructive or destructive. Option C is the correct answer because conflict may indeed lead to poor performance if not managed effectively. When conflict is left unresolved or unaddressed, it can create tension, decrease morale, and hinder productivity. By recognizing that conflict can impact performance, the young manager can take proactive steps to address and resolve conflicts in a constructive manner to minimize its negative effects and promote a healthy work environment.
3. Kidney stones are formed when:
- A. Excess water is not reabsorbed
- B. Minerals crystallize in the urine
- C. Electrolytes become too concentrated
- D. All of the above
Correct answer: B
Rationale: The correct answer is B: "Minerals crystallize in the urine." Kidney stones are formed when minerals in the urine combine and crystallize, forming solid masses. This process can occur due to various factors, such as high levels of calcium, oxalate, or uric acid in the urine. Options A and C are not directly related to the formation of kidney stones. Option D is incorrect because not all the statements are true; only minerals crystallizing in the urine lead to kidney stone formation.
4. What is the muscular sac in the female body that nourishes and protects a developing fetus?
- A. Ovary
- B. Fallopian tube
- C. Uterus
- D. Vagina
Correct answer: C
Rationale: The correct answer is C: Uterus. The uterus is a muscular sac in the female body where a fertilized egg implants and develops into a fetus during pregnancy. It provides nourishment to the developing fetus and protects it throughout gestation. The ovaries produce eggs, the fallopian tubes transport eggs from the ovaries to the uterus, and the vagina is the canal leading from the uterus to the outside of the body. Therefore, the uterus is the specific organ responsible for nourishing and protecting a developing fetus in the female body.
5. She reads about Path Goal theory. Which of the following behaviors is manifested by the
- A. Recognizes staff for going beyond expectations by giving them citations
- B. Challenges the staff to take individual accountability for their own practice
- C. Admonishes staff for being laggards.
- D. Reminds staff about the sanctions for non performance.
Correct answer: B
Rationale: The correct answer is B: 'Challenges the staff to take individual accountability for their own practice.' Path-Goal theory emphasizes the leader's role in motivating and guiding their team to achieve goals. This behavior aligns with the theory as it focuses on empowering employees to take ownership of their actions and responsibilities. By challenging staff to be individually accountable, the leader is providing clear direction and support, which can enhance motivation and performance within the team. Recognizing and rewarding staff for going beyond expectations (option A) would be more aligned with a transformational leadership style. Admonishing staff for being laggards (option C) and reminding staff about sanctions (option D) are not effective leadership behaviors according to the Path-Goal theory, as they do not focus on motivating and supporting employees to reach their goals.
6. How can you predict the charge of an ion formed by an element based on its position on the periodic table?
- A. Look for elements with similar atomic weights
- B. Identify the group number, which often indicates the typical ionic charge
- C. Identify the group number, which often indicates the typical ionic charge
- D. Analyze the element's position within the period
Correct answer: B
Rationale: The group number of an element on the periodic table often indicates the typical ionic charge it will form. Elements in the same group tend to have similar chemical properties, including the tendency to gain or lose electrons to achieve a stable electron configuration. This predictable pattern allows us to anticipate the charge of an ion formed by an element based on its position in the periodic table.
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