ATI TEAS 7
TEAS Test 7 science quizlet Questions
Question 1 of 5
What is the term used to describe the inability of the kidneys to effectively filter waste products from the blood?
Correct Answer: B
Rationale: Kidney failure is the term used to describe the inability of the kidneys to effectively filter waste products from the blood. Dehydration refers to insufficient fluid intake and not the kidney's filtering function. Incontinence is the loss of bladder control, not related to kidney filtration. Nephritis is the inflammation of the kidneys, not specifically related to the kidneys' inability to filter waste products.
Question 2 of 5
In the reaction 2H2 + O2 → 2H2O, how many moles of oxygen are required to react completely with 4 moles of hydrogen?
Correct Answer: B
Rationale: The balanced chemical equation indicates that 2 moles of H2 react with 1 mole of O2 to produce 2 moles of H2O. To determine how many moles of O2 are required to react with 4 moles of H2, you can use the mole ratio from the balanced equation: 2 moles of H2 react with 1 mole of O2. Therefore, to react completely with 4 moles of H2, you would need 2 moles of O2 (4 moles H2 � 2 moles H2 per 1 mole O2). Hence, 2 moles of oxygen are required to react completely with 4 moles of hydrogen. Choices A, C, and D are incorrect because they do not reflect the correct stoichiometry as defined by the balanced chemical equation.
Question 3 of 5
How can the peripheral nervous system be further divided?
Correct Answer: A
Rationale: The peripheral nervous system can be further divided into sensory (afferent) neurons that carry information from sensory receptors to the central nervous system and motor (efferent) neurons that carry information from the central nervous system to muscles and glands. Choice A, 'Sensory and motor,' is the correct answer as it accurately identifies the two main functional divisions of the peripheral nervous system. Choices B, 'Sympathetic and parasympathetic,' are divisions of the autonomic nervous system, not the peripheral nervous system. Choice C, 'Myelinated and unmyelinated,' refers to the structural classification of nerve fibers rather than functional divisions. Choice D, 'Central and peripheral,' contrasts the central nervous system with the peripheral nervous system, not further dividing the peripheral nervous system itself.
Question 4 of 5
What is the term for a solution that has a lower concentration of solute compared to another solution?
Correct Answer: B
Rationale: An unsaturated solution is the term used for a solution that has a lower concentration of solute compared to another solution. In an unsaturated solution, more solute could still be dissolved. The other options are incorrect. A saturated solution (A) contains the maximum amount of solute that can be dissolved and is in equilibrium with undissolved solute. A dilute solution (C) has a low concentration of solute, but it does not imply a comparison to another solution. A concentrated solution (D) has a high concentration of solute compared to the solvent, which is opposite to what is described in the question.
Question 5 of 5
Which of the following is an example of an aromatic compound?
Correct Answer: B
Rationale: Toluene is an aromatic compound due to its benzene ring structure, which satisfies the criteria of aromaticity. Aromatic compounds contain conjugated pi electrons in a ring structure, providing extra stability. Ethanol, acetone, and butanal are not aromatic compounds as they do not possess a benzene ring or meet the aromaticity criteria. Ethanol is an alcohol, acetone is a ketone, and butanal is an aldehyde, none of which have the characteristic benzene ring structure of aromatic compounds.
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