ATI TEAS 7 Science

Questions 173

ATI TEAS 7

ATI TEAS 7 Test Bank

ATI TEAS 7 Science Questions

Question 1 of 5

Which type of muscle is found in the heart?

Correct Answer: B

Rationale: The correct answer is B: Cardiac muscle. Cardiac muscle is found exclusively in the heart, allowing it to contract rhythmically and involuntarily to pump blood throughout the body. Smooth muscle (A) is found in organs like the intestines and blood vessels, not in the heart. Skeletal muscle (C) is attached to bones and responsible for voluntary movements, while voluntary muscle (D) is a general term that refers to skeletal muscle controlled voluntarily. Therefore, the unique characteristics of cardiac muscle make it the correct answer for this question.

Question 2 of 5

What is the recommended daily fiber intake for adults?

Correct Answer: B

Rationale: The correct answer is B (25 grams) as the recommended daily fiber intake for adults by the American Heart Association is 25-30 grams. Fiber helps with digestion, heart health, and weight management. Option A (10 grams) is too low and insufficient for daily needs. Option C (35 grams) and D (50 grams) are excessive and may lead to digestive issues like bloating or gas. Therefore, B is the most appropriate choice for optimal health benefits.

Question 3 of 5

Which of the following is the smallest unit of matter?

Correct Answer: B

Rationale: The correct answer is B: Atom. An atom is the smallest unit of matter that retains the properties of an element. Atoms are made up of protons, neutrons, and electrons. A molecule (A) consists of two or more atoms bonded together. A compound (C) is a substance composed of two or more different elements chemically bonded. An element (D) is a pure substance made up of only one type of atom. Therefore, the smallest unit of matter is the atom.

Question 4 of 5

What is molarity a measure of in a solution?

Correct Answer: C

Rationale: The correct answer is C: Concentration of solute. Molarity is defined as the number of moles of solute per liter of solution. This means it measures the concentration of the solute in a solution, not the volume of the solvent (A), the amount of solute (B), or the temperature of the solution (D). By dividing the moles of solute by the volume of the solution, molarity provides a quantitative measure of how much solute is dissolved in a given volume of solvent.

Question 5 of 5

What is the definition of 'acceleration' in terms of motion?

Correct Answer: A

Rationale: Acceleration is defined as the rate of change of velocity over time. This means that acceleration measures how quickly an object's velocity is changing. By choosing answer A, "Change in velocity over time," you are correctly identifying the definition of acceleration. Choice B, "Speed in a straight line," is incorrect because speed does not take into account the change in velocity, which is vital in defining acceleration. Choice C, "Distance covered in a given time," is incorrect as it pertains to speed or distance traveled, not acceleration, which specifically relates to changes in velocity. Choice D, "Force applied to an object," is incorrect because force is a completely different concept in physics and is not directly related to the definition of acceleration.

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