ATI TEAS 7
Science TEAS Practice Test
1. If an organism is AB, which of the following combinations in the gametes is NOT possible?
- A. AB
- B. AA
- C. BB
- D. AB
Correct answer: B
Rationale: The correct answer is B. If an organism is AB, it indicates that it carries two different alleles. During gamete formation, each gamete receives only one allele from the pair present in the organism. Therefore, in this case, the possible gametes would be 'A' and 'B,' making 'AA' impossible. Choice A, 'AB,' is possible as each gamete can carry one of the alleles from the genotype. Similarly, 'BB' is also possible if one of the alleles separates into a gamete. Choice D, 'AB,' is essentially the same genotype as the organism and is a possible combination in the gametes.
2. All of the following are parts of the respiratory system EXCEPT the:
- A. Trachea
- B. Bronchi
- C. Esophagus
- D. Larynx
Correct answer: C
Rationale: The esophagus is part of the digestive system, not the respiratory system. The trachea, bronchi, and larynx are all components of the respiratory system responsible for the passage of air during breathing and speech production. The esophagus, on the other hand, is part of the digestive system, responsible for the transportation of food from the mouth to the stomach through a series of muscular contractions called peristalsis. Therefore, the correct answer is 'Esophagus (C).' Choices A, B, and D are all integral parts of the respiratory system, playing crucial roles in the airway and vocalization processes.
3. Which of the following statements is NOT true of most metals?
- A. Most of them are good conductors of heat.
- B. Most of them are gases at room temperature.
- C. Most of them are ductile.
- D. They make up the majority of elements on the periodic table.
Correct answer: B
Rationale: The correct answer is B because most metals are not gases at room temperature; they are usually solid and good conductors of heat. Metals are generally known for being good conductors of heat, ductile, and making up the majority of elements on the periodic table. Choice A is correct as metals, in general, are good conductors of heat. Choice C is also correct as most metals exhibit ductility. Choice D is correct as metals constitute the majority of elements found on the periodic table.
4. A dietitian wants to convince a patient to lose weight. Which statement below best communicates a scientific argument that justifies the need for weight loss?
- A. Losing weight can lower blood pressure, increase energy levels, and promote overall health.
- B. Society tends to treat overweight people unfairly.
- C. Members of the opposite sex are more interested in people who maintain a healthy weight.
- D. Losing weight is easy to do.
Correct answer: A
Rationale: Choice A is the correct answer as it provides a scientific argument supported by evidence. Losing weight has been shown to lower blood pressure, increase energy levels, and promote overall health. These are concrete health benefits that can be objectively measured and monitored. Choices B and C do not offer scientific justifications for weight loss but rather focus on societal perceptions and personal relationships. Choice D is incorrect as losing weight is not always easy and may require significant effort and lifestyle changes.
5. Which of the following statements is FALSE regarding the use of qualitative and quantitative data in scientific research?
- A. Quantitative data is collected through numerical measurements.
- B. Quantitative data is more accurate than qualitative data.
- C. Qualitative data is focused on perspectives and behavior.
- D. Qualitative data is collected through observation and interviews.
Correct answer: B
Rationale: The correct answer is B because quantitative data is not inherently more accurate than qualitative data. Both types of data have their strengths and limitations, and the choice of data type depends on the research question and methodology. Quantitative data is collected through numerical measurements and involves statistical analysis. On the other hand, qualitative data focuses on perspectives, behaviors, and meanings and is typically gathered through observation and interviews. While quantitative data provides numerical precision, qualitative data offers in-depth insights into behaviors and perspectives that cannot be quantified, making them equally valuable in scientific research.
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