ATI TEAS 7
TEAS version 7 quizlet science
1. The dark, round structures observed within some bacterial cells are most likely:
- A. Ribosomes
- B. Flagella
- C. Endospores
- D. Capsules
Correct answer: C
Rationale: Endospores are the correct answer. Endospores are dark, round structures observed within some bacterial cells. They are highly resistant dormant structures formed by certain bacteria in response to harsh environmental conditions. Ribosomes are not dark, round structures within bacterial cells; they are responsible for protein synthesis. Flagella are long, whip-like appendages used for movement and are not dark, round structures within bacterial cells. Capsules are outer layers of polysaccharides that some bacteria produce for protection and adherence, not dark, round structures within bacterial cells.
2. The patella, commonly known as the kneecap, is an example of a:
- A. Sesamoid bone
- B. Long bone
- C. Short bone
- D. Irregular bone
Correct answer: A
Rationale: The patella, also known as the kneecap, is an example of a sesamoid bone. Sesamoid bones develop within tendons, such as the patellar tendon in this case. The patella is embedded in the tendon of the quadriceps muscle, enhancing the mechanical advantage of the muscle and protecting the knee joint. Long bones, like the femur, are characterized by their elongated shape with growth plates at the ends. Short bones, such as those in the wrist and ankle, are cube-shaped bones. Irregular bones, like vertebrae, do not fit into the other bone shape categories due to their unique shapes and functions.
3. Philadelphia is home to some excellent walking tours where visitors can learn more about the culture and rich history of the city of brotherly love. What are the adjectives in the preceding sentence?
- A. Philadelphia, tours, visitors, culture, history, city, love
- B. Excellent, walking, rich, brotherly
- C. Is, can, learn
- D. To, about, of
Correct answer: B
Rationale: The adjectives in the sentence are 'excellent,' 'walking,' 'rich,' and 'brotherly.' Adjectives are words that modify or describe nouns, and in this case, these words provide additional information about the walking tours and the history of Philadelphia. Choices A, C, and D do not contain adjectives. Choice A consists of nouns, Choice C includes verbs, and Choice D contains prepositions, none of which are adjectives as they do not describe or modify nouns.
4. Which of the following is a primary source that would be relevant to a biography about Jules Verne?
- A. Articles about Jules Verne written after his death
- B. Reviews of Jules Verne’s works
- C. Film adaptations of Jules Verne’s works
- D. Letters exchanged by Jules Verne and a close friend
Correct answer: D
Rationale: The correct answer is D. Letters exchanged by Jules Verne and a close friend would be a primary source as they were written during his lifetime, providing direct insight into his thoughts and actions. Choices A, B, and C are not primary sources. Articles written after his death, reviews of his works, and film adaptations are considered secondary sources as they are interpretations or analyses based on primary materials.
5. Which of the following serves as a standard or series of standards for comparing the results of an experiment?
- A. A control
- B. A variable
- C. A constant
- D. Collected data
Correct answer: A
Rationale: A control is a standard used to compare the outcomes of an experiment and is crucial for determining the effect of the variables being tested. It helps isolate and measure the impact of the independent variable by providing a baseline for comparison. While variables may change, constants remain consistent, and collected data is the information obtained from the experiment. A control specifically serves as the standard for comparison in an experiment, making it the correct choice. Variables, although important, are what are being altered and tested in an experiment, constants are factors that are kept consistent throughout the experiment, and collected data is the information gathered from the experiment, none of which specifically serve as the standard for comparison.
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