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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following factors would increase the solubility of a gas in a liquid?

Correct answer: b

Rationale: Henry's law states that the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid. The other choices would typically decrease solubility.

2. The author's tone towards UBI can be described as

Correct answer: D

Rationale: The passage acknowledges both positive and negative aspects of UBI, suggesting a cautious and balanced perspective, aligning with D.

3. Which neurotransmitter is associated with mood, sleep, and memory?

Correct answer: B

Rationale: The correct answer is B: Serotonin. Serotonin is a neurotransmitter that plays a crucial role in regulating mood, sleep, and memory. It is known as the 'feel-good' neurotransmitter because it helps to promote feelings of well-being and happiness. Serotonin also contributes to the regulation of sleep patterns and plays a role in memory and learning processes. Dopamine is associated with reward and motivation, acetylcholine with muscle movement and cognitive functions, and glutamate with learning and memory as an excitatory neurotransmitter. Therefore, of the options provided, serotonin is the neurotransmitter most closely linked to mood, sleep, and memory.

4. Which word choice best fits the blank: "Her research paper was riddled with _____ errors."

Correct answer: A

Rationale: Option A "flagrant," emphasizes the severity and noticeable nature of the errors.

5. A rocket engine expels hot gases backwards. What principle explains the rocket's forward motion?

Correct answer: C

Rationale: The hot gases expelled backwards exert a force on the rocket in the opposite direction (forward), propelling it upwards according to the action-reaction principle.

6. the relationship between the Pauli exclusion principle and the structure of the atom?

Correct answer: A

Rationale: The Pauli exclusion principle states that no two electrons in an atom can occupy the same quantum state, dictating the maximum number of electrons allowed in each energy level and influencing the overall structure of the atom's electron cloud.

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