ati teas 7 science

Questions 173

ATI TEAS 7

ATI TEAS 7 Test Bank

ati teas 7 science Questions

Question 1 of 5

What type of intermolecular force is responsible for the high surface tension of water?

Correct Answer: A

Rationale: The correct answer is A: Hydrogen bonding. Water molecules exhibit hydrogen bonding, where the partially positive hydrogen of one water molecule is attracted to the partially negative oxygen of another water molecule. This strong intermolecular force leads to the cohesive forces that create high surface tension in water. B: London dispersion forces are weaker and do not contribute significantly to water's high surface tension. C: Ionic bonding involves the transfer of electrons between atoms, not relevant to water's surface tension. D: Metallic bonding occurs in metals and is not related to the surface tension of water.

Question 2 of 5

In the process of osmosis, the solvent moves from an area of...

Correct Answer: D

Rationale: In osmosis, solvent moves from an area of low solute concentration to high solute concentration to equalize concentration. This is due to the principle of diffusion where molecules move from high to low concentration. Choice D is correct as it aligns with this principle. Choice A is incorrect because osmosis involves solvent movement, not solute movement. Choices B and C are incorrect as temperature does not determine the direction of solvent movement in osmosis.

Question 3 of 5

What is the difference between the atomic number and the mass number of an atom?

Correct Answer: A

Rationale: The correct answer is A because the atomic number represents the number of protons in the nucleus of an atom, which determines the element's identity. The mass number is the total number of protons and neutrons in the nucleus, indicating the atom's mass. The number of electrons is not directly related to either the atomic or mass number, eliminating choices B and D. Choice C is incorrect because the atomic number specifically refers to the number of protons, not neutrons. Thus, choice A is the only accurate explanation of the difference between the atomic number and the mass number.

Question 4 of 5

Urinary system health can be maintained through various lifestyle practices. Which of the following is NOT recommended for optimal urinary system health?

Correct Answer: C

Rationale: The correct answer is C: Holding urine in the bladder for long periods is NOT recommended for optimal urinary system health. When urine is held for a long time, it can increase the risk of urinary tract infections and bladder issues. It can also lead to bladder distension and potential damage to the bladder muscles. To maintain urinary system health, it is crucial to empty the bladder regularly to prevent bacterial growth and support proper bladder function. Choices A, B, and D are recommended practices for optimal urinary system health. Limiting high-sodium foods helps reduce the risk of kidney stones and hypertension, consuming cranberry juice can help prevent urinary tract infections, and regular moderate-intensity exercise promotes overall health, including the urinary system.

Question 5 of 5

How does the acceleration of an object change if the force acting on it is doubled?

Correct Answer: B

Rationale: When the force acting on an object is doubled, according to Newton's second law (F=ma), the acceleration of the object will also double. This is because acceleration is directly proportional to force when mass is constant. Therefore, the correct answer is B. Explanation for other choices: A: Acceleration is halved - Incorrect, doubling the force will increase acceleration, not decrease it. C: Acceleration remains unchanged - Incorrect, acceleration changes in direct proportion to force. D: Acceleration quadruples - Incorrect, acceleration only doubles when the force is doubled, not quadruples.

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