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Nursing Elites

ATI TEAS 7

physics

1. What is the relationship between the frequency and wavelength of a wave?

Correct answer: a

Rationale: Frequency and wavelength have an inverse relationship - as one increases, the other decreases.

2. Which of the following is an example of a salt?

Correct answer: c

Rationale: Sodium chloride is an example of a salt. The other choices are either bases or acids.

3. In a covalent bond, the shared electrons:

Correct answer: B

Rationale: Spend more time closer to the more electronegative atom. Electronegativity determines the "pull" on shared electrons, with the more electronegative atom attracting them for a larger portion of the time, creating a partial negative charge near its nucleus.

4. Which respiratory structure is responsible for the production of mucus to trap particles and for the movement of cilia to sweep mucus and trapped particles out of the respiratory tract?

Correct answer: D

Rationale: The correct answer is D: Respiratory epithelium. The respiratory epithelium is a specialized tissue lining the respiratory tract that produces mucus to trap particles and contains cilia that beat in a coordinated manner to move the mucus and trapped particles out of the respiratory tract. The trachea, larynx, and bronchi are all structures within the respiratory system, but they do not directly produce mucus or have cilia for sweeping particles. Therefore, the respiratory epithelium is the specific structure responsible for these functions.

5. What is the functional group present in aldehydes?

Correct answer: B

Rationale: Aldehydes have the functional group -CHO, which is a carbonyl group bonded to a hydrogen atom. The other choices are associated with different functional groups.

6. Which law of motion states that for every action, there is an equal and opposite reaction?

Correct answer: c

Rationale: Newton's Third Law states the action-reaction principle.

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