ATI TEAS 7
Biology
1. What is the term for a group of organisms with the same genetic makeup?
- A. Population
- B. Clone
- C. Genotype
- D. Species
Correct answer: B
Rationale: Rationale: - A population (option A) refers to a group of individuals of the same species living in the same area. - Genotype (option C) refers to the genetic makeup of an individual organism. - Species (option D) refers to a group of organisms that can interbreed and produce fertile offspring. In this context, a clone (option B) is a group of organisms that are genetically identical because they are derived from a single ancestor. This term specifically refers to organisms with the same genetic makeup, making it the most appropriate choice for the question.
2. What type of inheritance pattern results in a 3:1 ratio of dominant to recessive phenotypes in the F2 generation?
- A. Incomplete dominance
- B. Codominance
- C. Sex-linked inheritance
- D. Autosomal dominant inheritance
Correct answer: D
Rationale: Rationale: A) Incomplete dominance: In incomplete dominance, the heterozygous phenotype is a blend of the two homozygous phenotypes. This does not result in a 3:1 ratio of dominant to recessive phenotypes in the F2 generation. B) Codominance: In codominance, both alleles are fully expressed in the heterozygous phenotype. This also does not result in a 3:1 ratio of dominant to recessive phenotypes in the F2 generation. C) Sex-linked inheritance: Sex-linked inheritance involves genes located on the sex chromosomes and does not typically result in a 3:1 ratio of dominant to recessive phenotypes in the F2 generation. D) Autosomal dominant inheritance: In autosomal dominant inheritance, a single copy of the dominant allele is sufficient to express the dominant phenotype. When a heterozygous individual (Aa) is crossed with another
3. How is work defined in terms of force and displacement?
- A. Work is the product of force and displacement in any direction
- B. Work is done only when the displacement is vertical
- C. Work is done only when the force and displacement are perpendicular
- D. Work is the product of force and displacement in the direction of the force
Correct answer: d
Rationale: Work is calculated as the force applied to an object multiplied by the displacement of the object in the direction of the force.
4. Harry is a Unit Manager I the Medical Unit. He is not satisfied with the way things are going
- A. Call for a staff meeting and take this up in the agenda.
- B. Seek help from her manager.
- C. Develop a strategic action on how to deal with these concerns.
- D. Ignore the issues since these will be resolved naturally.
Correct answer: A
Rationale: Choosing option A, 'Call for a staff meeting and take this up in the agenda,' is the best course of action for Harry as a Unit Manager. By calling for a staff meeting, Harry can openly address his concerns with the team, gather input from team members, and work collaboratively to find solutions. This approach promotes transparency, communication, and teamwork, which are essential in resolving issues within a unit. Seeking help from his manager, as suggested in option B, may be necessary in some cases, but initiating a discussion with the staff first allows for a more inclusive problem-solving process. Developing a strategic action, as in option C, is important, but involving the team in this process through a staff meeting is crucial for buy-in and implementation. Ignoring the issues, as in option D, is never a productive approach as unresolved issues can escalate and impact team morale and performance. Therefore, option A is the most effective and proactive way for Harry to address hi
5. What does the term "dilution" refer to in a solution?
- A. Adding more solvent to decrease concentration
- B. Adding more solute to increase concentration
- C. Reducing the temperature to increase solubility
- D. Increasing pressure to increase solubility
Correct answer: A
Rationale: Dilution involves adding more solvent to a solution to decrease the concentration of solute. The other choices do not accurately describe dilution
6. When unpolarized light passes through a polarizing filter, the intensity of the transmitted light is:
- A. Completely absorbed
- B. Reduced by half
- C. Unaffected
- D. Doubled
Correct answer: B
Rationale: When unpolarized light passes through a polarizing filter, the intensity of the transmitted light is reduced by half. This is because a polarizing filter only allows light waves oscillating in one plane to pass through while blocking the other perpendicular plane. Unpolarized light consists of waves oscillating in all possible planes, so when it passes through the polarizer, only half of the light waves aligned with the filter's polarization direction can transmit through. As a result, the intensity of the transmitted light is reduced by half as only a portion of the original light waves can pass through the filter.
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