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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following is an example of an aromatic compound?

Correct answer: B

Rationale: Toluene is an aromatic compound. The other choices are not aromatic compounds.

2. What is the unit of measurement for force in the International System of Units (SI)?

Correct answer: a

Rationale: Force is measured in Newtons (N) in the SI system.

3. The phrase "illuminates not only past events" suggests that history

Correct answer: B

Rationale: The phrase highlights that history goes beyond mere chronology, offering valuable insights and lessons beyond the dates and facts.

4. The number of protons in the nucleus of an atom determines its:

Correct answer: B

Rationale: The atomic number (Z) equals the number of protons in the nucleus and uniquely identifies an element. Mass number (A) includes both protons and neutrons, isotopes have different neutron numbers, and valence electrons are involved in bonding, not atomic identity.

5. Which of the following is NOT a greenhouse gas?

Correct answer: C

Rationale: Rationale: A) Carbon dioxide: Carbon dioxide is a greenhouse gas that is naturally present in the Earth's atmosphere and is also released through human activities such as burning fossil fuels. B) Water vapor: Water vapor is a greenhouse gas that is naturally present in the atmosphere and plays a significant role in the Earth's climate system. C) Nitrogen: Nitrogen is not considered a greenhouse gas because it does not have the ability to absorb and emit infrared radiation in the same way that greenhouse gases like carbon dioxide and methane do. D) Methane: Methane is a potent greenhouse gas that is released through natural processes such as wetland decomposition and human activities such as livestock farming and fossil fuel extraction. Therefore, the correct answer is C) Nitrogen, as it is not a greenhouse gas.

6. The tonsils and adenoids are part of the lymphatic system located in the:

Correct answer: C

Rationale: The tonsils and adenoids are part of the lymphatic system and are located in the head and neck region. These structures help protect the body from infections by trapping pathogens that enter through the mouth and nose. The tonsils are located at the back of the throat, while the adenoids are located higher in the throat. They play a crucial role in the body's immune response, producing antibodies and helping to fight off bacteria and viruses that are inhaled or ingested. Therefore, the correct answer is C, the head and neck region.

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