teas 7 practice test science - Nurselytic

Questions 108

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS 7 practice test science Questions

Question 1 of 5

According to Newton's third law of motion, if you push against a wall with a certain force, the wall will push back with:

Correct Answer: B

Rationale: According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When you push against a wall with a certain force, the wall will push back on you with an equal force in the opposite direction.
Choice A is incorrect because the wall exerts an equal force back.
Choice C is incorrect as it suggests a greater force, which goes against Newton's third law.
Choice D is incorrect as the wall does exert a force back in response to your push.

Question 2 of 5

What is the primary factor that determines whether a solute will dissolve in a solvent?

Correct Answer: C

Rationale: The primary factor that determines whether a solute will dissolve in a solvent is the molecular structure. The compatibility of the solute's molecules with the solvent's molecules is crucial for dissolution to occur. While temperature, pressure, and particle size can influence the rate of dissolution, they are not the primary factors determining solubility. Molecular structure plays a key role in determining if a solute will form favorable interactions with the solvent, which is essential for dissolution to take place effectively. Temperature can affect solubility by changing the kinetic energy of molecules, pressure typically has a minor effect on solubility except for gases, and particle size influences the rate of dissolution by increasing surface area, but none of these factors are as fundamentally important as molecular structure in determining solubility.

Question 3 of 5

What is a temporary loss of consciousness due to insufficient blood flow to the brain called?

Correct Answer: C

Rationale: Syncope, also known as fainting, is a temporary loss of consciousness caused by insufficient blood flow to the brain. It results from a brief interruption in the brain's blood supply, leading to a temporary loss of consciousness. The correct answer is C. A stroke, option A, is caused by a blockage or rupture of blood vessels in the brain, not insufficient blood flow. Seizure, option B, involves a sudden surge of electrical brain activity, not reduced blood flow. Coma, option D, is characterized by prolonged unconsciousness, not a temporary loss of consciousness due to insufficient blood flow.

Question 4 of 5

Which of the following blood vessels carries oxygenated blood away from the heart?

Correct Answer: B

Rationale: The aorta is the correct answer because it is the main artery in the body that carries oxygenated blood away from the heart to the rest of the body. The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation. The superior and inferior vena cava are veins that carry deoxygenated blood from the body back to the heart.
Therefore, choices A, C, and D are incorrect as they do not carry oxygenated blood away from the heart.

Question 5 of 5

When a person throws a ball horizontally, what force changes the direction of the ball's motion?

Correct Answer: B

Rationale: When a person throws a ball horizontally, the initial force that propels the ball forward is the force of throwing (
A). However, the force that changes the direction of the ball's motion is the gravitational force (
B). Gravitational force acts vertically downward, causing the ball to follow a curved path. Air resistance (
C) and normal force from the ground (
D) do not directly change the direction of the ball's motion in this scenario.

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