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Nursing Elites

ATI TEAS 7

Chemistry

1. What happens to the concentration of hydrogen ions (\([H^+]\)) in a solution as the pH increases?

Correct answer: B

Rationale: As the pH increases, the concentration of hydrogen ions decreases. The relationship is inversely proportional

2. Which of the following joints allows for side-to-side bending movements?

Correct answer: C

Rationale: The correct answer is C: Gliding joint. Gliding joints are found where the bones meet and allow for limited side-to-side and back-and-forth movements. These joints have flat or slightly curved surfaces that glide against each other, enabling smooth motion in multiple directions. Hinge joints (A) allow for movement in one plane like a door hinge, ball-and-socket joints (B) allow for a wide range of motion in multiple directions, and saddle joints (D) allow for back-and-forth and side-to-side movements but are primarily designed for flexion and extension like the joint at the base of the thumb.

3. The innate immune system provides a non-specific first line of defense. What are some physical barriers that contribute to the innate immune system?

Correct answer: C

Rationale: The correct answer is C: "Skin and mucous membranes." The innate immune system consists of physical barriers, such as the skin and mucous membranes, that act as the first line of defense against pathogens. These barriers prevent pathogens from entering the body and play a crucial role in protecting against infections. Antibodies (option A) are part of the adaptive immune response, not the innate immune system. Phagocytes (option B) are cells that engulf and destroy pathogens, which are part of the innate immune system. Memory B cells (option D) are specific to the adaptive immune response and are not considered part of the innate immunity that provides the initial, non-specific defense.

4. Identify the appositive in the following sentence: "My favorite author, Agatha Christie, wrote many detective novels."

Correct answer: B

Rationale: An appositive renames or clarifies the noun or pronoun preceding it.

5. The gradual loss of topsoil due to wind or water erosion is called:

Correct answer: A

Rationale: Rationale: A) Desertification refers to the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture practices. The gradual loss of topsoil due to wind or water erosion can lead to the degradation of land and contribute to desertification. B) Leaching is the process by which minerals are washed out of the soil by water moving downwards through it. C) Salinization occurs when salt accumulates in the soil, usually as a result of irrigation in arid regions. D) Acidification refers to the decrease in soil pH, often caused by acid rain or the use of acidic fertilizers.

6. 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.

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