in which type of cell would you expect to find a high concentration of lysosomes
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Nursing Elites

ATI TEAS 7

ATI TEAS Science Questions

1. In which type of cell would you expect to find a high concentration of lysosomes?

Correct answer: C

Rationale: The correct answer is C: Immune cells. Immune cells, such as macrophages, contain many lysosomes for breaking down pathogens. Lysosomes are organelles responsible for digestion and waste removal within the cell, and immune cells require a high concentration of lysosomes to aid in their defense mechanisms against pathogens. Choice A, Cardiac cells, is incorrect because lysosomes are not primarily abundant in cardiac cells. Choice B, Glandular cells, is incorrect as well since lysosomes are not specifically concentrated in glandular cells. Choice D, Neurons, is also incorrect because while lysosomes are present in neurons, they are not typically found in high concentrations compared to immune cells.

2. What is the author's point of view?

Correct answer: B

Rationale: The passage is told from a third person limited point of view because the thoughts and perspectives of two specific characters, Michael and Lana June, are presented. The narrator provides insight into their thoughts, but remains limited to their viewpoints without revealing the thoughts of any other characters. This extract demonstrates the limited perspective by showing the inner thoughts of Michael and Lana June, indicating a third person limited narrative. Third person omniscient would involve knowing the thoughts of all characters, which is not the case here. First person would involve using 'I' to narrate, which is absent. Objective point of view would present only observable actions without any character's thoughts or feelings, which is not the case in this passage.

3. What is the pathway of deoxygenated blood in our body?

Correct answer: B

Rationale: The correct pathway of deoxygenated blood in our body involves blood returning from the body, entering the right atrium, then passing to the right ventricle, and eventually reaching the lungs for oxygenation. This sequence ensures that deoxygenated blood is pumped to the lungs, where it receives oxygen and releases carbon dioxide before circulating back to the body. Choices A, C, and D are incorrect because they do not follow the actual path of deoxygenated blood in the circulatory system.

4. Which part of the brainstem controls heart rate and breathing?

Correct answer: A

Rationale: The medulla oblongata is a critical part of the brainstem responsible for regulating essential functions such as heart rate, breathing, and blood pressure. It houses centers that oversee these involuntary processes, making it the correct answer. The pons, midbrain, and thalamus do not primarily control heart rate and breathing, thus making them incorrect choices for this question.

5. Solve for x: x + 5 = x - 3.

Correct answer: A

Rationale: To solve the equation x + 5 = x - 3, we aim to isolate x. By subtracting x from both sides, we get 5 = -3, which is not possible. This indicates that the equation has no solution. Therefore, the correct answer is x = -5. Choices B, C, and D are incorrect as they do not yield a valid solution when substituted back into the original equation.

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