what is the function of the adrenal glands
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ATI TEAS 7

Practice TEAS Science Test

1. What is the function of the adrenal glands?

Correct answer: D

Rationale: The correct answer is D: To regulate blood glucose. The adrenal glands play a crucial role in regulating blood glucose levels and the body's response to stress. Choice A, 'To regulate metabolism,' is incorrect as the primary role of the adrenal glands is not directly related to metabolism regulation. Choice B, 'To produce bile,' is incorrect because bile is produced by the liver, not the adrenal glands. Choice C, 'To produce red blood cells,' is also incorrect as the production of red blood cells primarily occurs in the bone marrow, not the adrenal glands.

2. Which test is commonly used to assess kidney function?

Correct answer: D

Rationale: The creatinine clearance test is commonly used to assess kidney function. Creatinine, a waste product produced by muscles, is filtered out of the blood by the kidneys. The creatinine clearance test measures how efficiently the kidneys clear creatinine from the blood. Abnormal levels of creatinine in the blood can indicate kidney dysfunction, making this test crucial for evaluating kidney function. Choice A, a complete blood count (CBC), provides information about different blood cells and is not a specific test for kidney function. Choice B, a blood sugar test, assesses glucose levels in the blood and is not directly related to kidney function. Choice C, a urinalysis, evaluates the contents of urine and can provide information about kidney health but is not as specific for assessing kidney function as the creatinine clearance test.

3. Which term is used to classify reactions that require light energy to proceed?

Correct answer: C

Rationale: Reactions that require light energy to proceed are classified as photochemical reactions. Photochemical reactions involve the absorption of light energy to initiate a chemical reaction. Combustion reactions involve the rapid combination of a substance with oxygen, endothermic reactions absorb heat from the surroundings, and double displacement reactions involve the exchange of ions between two compounds. Therefore, the correct term for reactions requiring light energy is 'photochemical reactions,' making option C the correct answer.

4. When an atom gains or loses electrons, it becomes a(n):

Correct answer: C

Rationale: When an atom gains or loses electrons, it becomes an ion. Gaining or losing electrons alters the atom's electron count and charge, creating a positively or negatively charged ion. A molecule is formed when two or more atoms are chemically bonded. An isotope is a variation of an element with a different number of neutrons. A compound consists of two or more different elements chemically bonded together.

5. What is a reaction between an acid and a base known as?

Correct answer: B

Rationale: The correct answer is B: Neutralization. When an acid and a base react, they neutralize each other's properties, resulting in the formation of water and a salt. Choice A, 'Precipitation,' refers to the formation of a solid from a solution during a chemical reaction. Choice C, 'Oxidation-reduction,' involves the transfer of electrons between reactants. Choice D, 'Photolysis,' is a reaction where a compound is broken down into smaller components by light energy. Therefore, the most appropriate term for a reaction between an acid and a base is neutralization.

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