which of the following statements describes a chemical property of water
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ATI TEAS 7

ATI TEAS 7 Science Practice Test

1. Which of the following statements describes a chemical property of water?

Correct answer: B

Rationale: The correct answer is B because a water molecule consists of two hydrogen atoms and one oxygen atom, which is a fundamental chemical property of water. The pH of water is not a property of the water molecule itself but rather a measure of its acidity or alkalinity. Choice C is incorrect as it describes a different molecule, not water. Choice D provides an incorrect chemical formula for water, which is H2O.

2. What is the primary function of the mucous membrane lining the muscular tube connecting the mouth to the stomach?

Correct answer: C

Rationale: The primary function of the mucous membrane lining the muscular tube connecting the mouth to the stomach is to provide lubrication and protection. This mucous membrane serves to protect the esophageal lining from damage caused by the passage of food and liquids. It also aids in facilitating the smooth passage of food from the mouth to the stomach by lubricating it, ensuring easier movement. Choices A, B, and D are incorrect as the mucous membrane does not secrete digestive enzymes, absorb nutrients, or store bile. Its main role is primarily related to lubricating and protecting the lining of the tube.

3. Which term refers to a position toward the feet? For example, the foot is part of the inferior extremity.

Correct answer: D

Rationale: The correct answer is 'Inferior.' 'Inferior' refers to a position located towards the feet or lower part of the body. This is the opposite of 'superior,' which indicates a position towards the head or upper part of the body. 'Anterior' refers to the front of the body, 'posterior' refers to the back of the body, making them incorrect choices in this context.

4. What is the difference between homologous chromosomes and sister chromatids?

Correct answer: A

Rationale: Rationale: - Homologous chromosomes are pairs of chromosomes that have the same genes in the same order, one from each parent. While they carry the same genes, they may have different alleles (variants of a gene). - Sister chromatids are exact copies of each other, formed during DNA replication. They are held together by a centromere and are produced during the S phase of the cell cycle. - During meiosis, homologous chromosomes pair up and exchange genetic material through crossing over, leading to genetic variation. Sister chromatids separate during mitosis to ensure each daughter cell receives an identical copy of the genetic material.

5. Which type of reasoning has the FBI agent used?

Correct answer: D

Rationale: The correct answer is D: Inductive Reasoning. Inductive reasoning involves drawing general conclusions from specific observations or instances. In this case, the FBI agent is creating a theory based on observations of specific cases rather than applying a general rule to a specific situation (which would be deductive reasoning). Conductive reasoning is not a recognized type of reasoning, and quantitative reasoning involves interpreting and analyzing quantitative information.

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