Science TEAS Practice Test

Questions 44

ATI TEAS 7

ATI TEAS 7 Test Bank

Science TEAS Practice Test Questions

Question 1 of 5

What is the role of hemoglobin in the human body?

Correct Answer: D

Rationale: The correct answer is D: Help red blood cells transport oxygen. Hemoglobin is a protein in red blood cells that binds to oxygen in the lungs and releases it in tissues. It does not transport oxygen itself, but it aids red blood cells in carrying oxygen. Choice A is incorrect because hemoglobin carries oxygen, not transports it. Choice B is incorrect because hemoglobin binds to oxygen, not to red blood cells. Choice C is incorrect because hemoglobin primarily transports oxygen, not carbon dioxide.

Question 2 of 5

Which of the following nucleobases does not exist in RNA?

Correct Answer: B

Rationale: The correct answer is B: Thymine. Thymine is a nucleobase that exists in DNA, not RNA. RNA contains Uracil instead of Thymine. This is due to a different chemical structure in RNA which lacks the methyl group present in Thymine. Uracil pairs with Adenine in RNA, while Thymine pairs with Adenine in DNA. Choices A, C, and D (Uracil, Cytosine, Guanine) are all nucleobases found in RNA, making them incorrect answers.

Question 3 of 5

Which statement below best describes the process of condensation?

Correct Answer: A

Rationale: The correct answer is A: Condensation is the process of changing from a gas to a liquid. This is because condensation occurs when a gas loses heat energy and transitions into a liquid state. The gas molecules slow down and come closer together, forming liquid droplets. Explanation: 1. In condensation, gas molecules lose energy and move closer together. 2. This causes the gas to transition into a liquid state. 3. The process of condensation is commonly observed in everyday situations like when water vapor in the air cools and forms dew on a cold surface. Summary: B: Changing from a liquid to a gas is called evaporation, not condensation. C: Changing from a solid to a liquid is called melting, not condensation. D: Changing from a solid to a gas is called sublimation, not condensation.

Question 4 of 5

Which of the following statements is FALSE regarding the use of qualitative and quantitative data in scientific research?

Correct Answer: B

Rationale: The correct answer is B: Quantitative data is more accurate than qualitative data. This statement is false because the accuracy of data depends on the research question and the methodology used, not on whether it is qualitative or quantitative. Both types of data have their strengths and limitations. Quantitative data is numerical and lends itself to statistical analysis, but it can lack depth and context. Qualitative data, on the other hand, provides rich insights into perspectives and behavior but may be subjective. Therefore, it is essential to use both types of data in scientific research to gain a comprehensive understanding of a research problem.

Question 5 of 5

Which of the following is not a type of muscle tissue?

Correct Answer: D

Rationale: The correct answer is D: Adipose. Adipose tissue is a type of connective tissue that stores fat, not a type of muscle tissue. Skeletal, smooth, and cardiac tissues are the three main types of muscle tissue. Skeletal muscles are attached to bones, smooth muscles are found in organs and blood vessels, and cardiac muscles are specific to the heart. Adipose tissue does not have the contractile properties of muscle tissue, making it the correct choice.

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