TEAS Practice Test Science

Questions 62

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Practice Test Science Questions

Question 1 of 5

Which of the following factors does not strengthen a scientific argument?

Correct Answer: B

Rationale: Sure, here's the step-by-step rationale for why choice B is the correct answer: 1. Qualitative research is subjective. 2. Scientific arguments should rely on objective, quantitative data. 3. Extensive use of qualitative research weakens objectivity. 4. Objective data strengthens scientific arguments. Summary of other choices: A: Lack of bias strengthens a scientific argument by ensuring objectivity. C: Reproducibility strengthens a scientific argument by validating results. D: Standing the test of time strengthens a scientific argument by showing consistency.

Question 2 of 5

Which of the following factors does not strengthen a scientific argument?

Correct Answer: B

Rationale: Sure, here's the step-by-step rationale for why choice B is the correct answer: 1. Qualitative research is subjective. 2. Scientific arguments should rely on objective, quantitative data. 3. Extensive use of qualitative research weakens objectivity. 4. Objective data strengthens scientific arguments. Summary of other choices: A: Lack of bias strengthens a scientific argument by ensuring objectivity. C: Reproducibility strengthens a scientific argument by validating results. D: Standing the test of time strengthens a scientific argument by showing consistency.

Question 3 of 5

Which of the following statements is true regarding the ventricles of the heart?

Correct Answer: D

Rationale: Rationale: 1. Choice A is correct as the left ventricle pumps oxygen-rich blood into the aorta. 2. Choice B is correct as the right ventricle pumps deoxygenated blood into the pulmonary trunk. 3. Choice C is correct as ventricles are indeed the main pumping chambers of the heart. 4. Therefore, choice D, "All of the above," is correct as it encompasses all true statements about the ventricles. Other choices are incorrect as they do not cover all accurate statements.

Question 4 of 5

During which of the following stages does crossing over occur?

Correct Answer: B

Rationale: The correct answer is B: Meiosis Prophase I. Crossing over occurs during Prophase I of meiosis, specifically during the substage called pachytene. This is when homologous chromosomes pair up and exchange genetic material. This process creates genetic diversity among offspring. Choice A, Mitosis Prophase, is incorrect because crossing over does not occur during mitosis, as homologous chromosomes do not pair up in mitosis. Choice C, Meiosis Prophase II, is incorrect because crossing over only occurs during Prophase I, not Prophase II. Choice D, Interphase, is incorrect because crossing over does not occur during interphase, as it is a phase where the cell prepares for division and DNA replication occurs.

Question 5 of 5

Which of the following is responsible for producing antibodies?

Correct Answer: B

Rationale: The correct answer is B: White blood cells. White blood cells, specifically B lymphocytes, are responsible for producing antibodies. B lymphocytes recognize foreign substances (antigens) and produce antibodies to neutralize them. Red blood cells (choice A) are involved in oxygen transport, platelets (choice C) are responsible for blood clotting, and plasma (choice D) is the liquid component of blood that carries nutrients and waste products. Thus, white blood cells are the only cells among the choices directly involved in antibody production.

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