ATI TEAS 7 Science

Questions 173

ATI TEAS 7

ATI TEAS 7 Test Bank

ATI TEAS 7 Science Questions

Question 1 of 5

Which of the following vessels is responsible for pumping oxygenated blood to the body?

Correct Answer: D

Rationale: The correct answer is D: Aorta. The aorta is responsible for pumping oxygenated blood to the body. This happens after the oxygenated blood leaves the left ventricle of the heart through the aortic valve. The aorta is the largest artery in the body and carries blood to all parts of the body, supplying oxygen and nutrients. The other choices are incorrect because: A: Right ventricle pumps deoxygenated blood to the lungs. B: Left ventricle pumps oxygenated blood to the body. C: Pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation.

Question 2 of 5

An element with atomic number 26 and mass number 56 is most likely to be:

Correct Answer: A

Rationale: The correct answer is A: Iron (Fe). This is because an element with atomic number 26 corresponds to Iron on the periodic table. The mass number of 56 indicates the total number of protons and neutrons in the nucleus of the atom, which is consistent with the atomic mass of Iron. Choice B, Cobalt, has an atomic number of 27, not 26. Choice C, Nickel, has an atomic number of 28, not 26. Choice D, Manganese, has an atomic number of 25, not 26. Therefore, based on the given atomic number and mass number, Iron is the most likely element.

Question 3 of 5

What is the smallest bone in the human body?

Correct Answer: A

Rationale: The correct answer is A: Stapes. The stapes is the smallest bone in the human body, located in the middle ear. It plays a crucial role in transmitting sound vibrations to the inner ear. The other choices are incorrect because the patella is a knee bone, phalanges are finger bones, and ribs are chest bones, none of which are the smallest bone in the body. The stapes' small size and specific location make it uniquely suited for its function in hearing.

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 unit of measurement for power?

Correct Answer: C

Rationale: Failed to generate a rationale after 5 retries.

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