pseudostratified columnar epithelium
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Nursing Elites

ATI TEAS 7

Mometrix TEAS 7 science practice test

1. Where is pseudostratified columnar epithelium primarily found?

Correct answer: C

Rationale: Pseudostratified columnar epithelium is a type of epithelial tissue found in the respiratory tract, including the lining of the trachea and bronchi. It is also found in the male reproductive system and parts of the auditory tube and external ear canal. Among the options provided, the external ears (option C) are the most relevant location for pseudostratified columnar epithelium. Skeletal muscle (option A) is primarily composed of muscle fibers, not epithelial tissue. The bony skeleton (option B) is composed of bone tissue. The bloodstream (option D) consists of blood cells and plasma, not epithelial tissue.

2. Which of the following is a run-on sentence?

Correct answer: B

Rationale: The correct answer is B: 'The cat slept on the mat; she purred softly.' This sentence is a run-on because it contains two independent clauses ('The cat slept on the mat' and 'she purred softly') without proper punctuation. Choice A is incorrect as it is a compound sentence with a coordinating conjunction 'and' joining two independent clauses. Choice C is also incorrect as it is a compound sentence connected by a coordinating conjunction 'so.' Choice D is not a run-on sentence; it is a compound sentence with a coordinating conjunction 'or' joining two independent clauses.

3. Which of the following statements about fungi is FALSE?

Correct answer: B

Rationale: A) This statement is true. Fungi can exist in both unicellular (yeast) and multicellular (molds and mushrooms) forms. B) This statement is false. While some fungi can be parasitic and cause diseases in humans, not all fungi exhibit this behavior. Many fungi are beneficial and play essential roles in ecosystems. C) This statement is true. Fungi are crucial for decomposition and nutrient cycling in ecosystems. They break down organic matter and recycle nutrients back into the environment. D) This statement is true. Some fungi, like mushrooms, are used in food production and are consumed by humans.

4. Which organizational style is used in the following passage?

Correct answer: A

Rationale: The passage uses a cause and effect order to explain the reasons for the cafe's lack of success. It presents causes (higher prices and early closure) first, followed by their effects (students unable to afford food and beverages, students going elsewhere). This structure helps readers understand the relationship between the causes and their resulting effects. Choice B, 'Compare and contrast order,' is incorrect as the passage does not focus on comparing different aspects or contrasting ideas. Choice C, 'Spatial order,' is incorrect as it does not describe physical locations or arrangements. Choice D, 'Time order,' is incorrect as the passage does not primarily follow a chronological sequence of events.

5. Positron emission tomography (PET) scans utilize a key property of positrons for medical imaging. What is this property?

Correct answer: B

Rationale: Positron emission tomography (PET) scans utilize the property of positrons having a positive charge. Positrons are the antimatter counterpart of electrons, having the same mass but opposite charge. When a positron collides with an electron, they annihilate each other, producing gamma rays that can be detected by the PET scanner to create images of the body's internal structures and functions. Choice A is incorrect because positrons have the same mass as electrons. Choice C is incorrect as positrons are not extremely stable due to their tendency to annihilate when they encounter electrons. Choice D is incorrect as positrons exhibit different behavior than electrons due to their opposite charges.

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