ATI TEAS 7
Biology
1. The gradual change in a species over time in response to environmental pressures is best described by:
- A. Punctuated equilibrium (rapid bursts of evolution)
- B. Gradualism (slow and continuous change)
- C. Founder effect (genetic drift in a small population)
- D. Adaptive radiation (rapid diversification of a species)
Correct answer: B
Rationale: Rationale: A) Punctuated equilibrium refers to rapid bursts of evolution followed by long periods of stability, rather than gradual change over time in response to environmental pressures. B) Gradualism is the process by which species evolve through slow and continuous changes over time in response to environmental pressures. This gradual change can lead to the development of new traits and adaptations. C) Founder effect is a type of genetic drift that occurs when a small group of individuals establishes a new population, leading to a loss of genetic variation compared to the original population. It does not specifically describe the gradual change in a species over time. D) Adaptive radiation is the rapid diversification of a species into a variety of forms to exploit different ecological niches, but it does not specifically refer to the gradual change in response to environmental pressures. Therefore, the best description of the gradual change in a species over time in response to e
2. Cartilage, a type of connective tissue, provides flexible support in various structures. Which of these does NOT contain cartilage?
- A. Ears
- B. Joints
- C. Muscles
- D. Nose
Correct answer: C
Rationale: Muscles do not contain cartilage. Cartilage is a specialized type of connective tissue that provides flexible support in structures like the ears, joints, and nose. Ears have cartilage in their structure, which helps maintain their shape and flexibility. Joints, such as the knee and elbow, have cartilage to cushion and reduce friction between bones. The nose also contains cartilage, forming its shape and structure. Muscles, on the other hand, are made up of muscle tissue and do not contain cartilage. Therefore, muscles are the correct answer as they do not contain cartilage, unlike the other options.
3. Which property of a substance describes how much matter is packed into a given space?
- A. Mass
- B. Volume
- C. Weight
- D. Density
Correct answer: D
Rationale: Density is the property of a substance that describes how much matter is packed into a given space. It is calculated by dividing the mass of the substance by its volume. Mass refers to the amount of matter in an object, volume is the amount of space an object occupies, and weight is the force of gravity acting on an object's mass. Density specifically relates to how tightly packed the particles of a substance are.
4. The following are basic steps in the controlling process of the department. Which of the
- A. Measure actual performance
- B. Set nursing standards and criteria
- C. Compare results of performance to standards and objectives
- D. Identify possible courses of action
Correct answer: A
Rationale: The correct answer is A: 'Measure actual performance.' In the controlling process of a department, measuring actual performance is a crucial step to assess how well the department is performing compared to set standards and objectives. By measuring actual performance, managers can identify any deviations from the established criteria and take necessary corrective actions. Setting nursing standards and criteria (option B) is typically done before the controlling process begins, to provide a benchmark for measuring performance. Comparing results of performance to standards and objectives (option C) is done after measuring actual performance. Identifying possible courses of action (option D) is part of the corrective action phase that follows measuring actual performance. Therefore, option A is the most appropriate step in the controlling process of a department.
5. What is the scientific name for the tear gland?
- A. Lachrymal gland
- B. Lacrimal sac
- C. Lacrimal duct
- D. Lacrimal papilla
Correct answer: A
Rationale: The lachrymal gland is the almond-shaped gland located above each eye, responsible for producing tears. Tears are a complex mixture of water, electrolytes, proteins, and other substances that help lubricate and protect the eyes from dryness and irritation.
6. What is the correct way to punctuate the following sentence: "She asked me if I wanted to go to the movies with her"?
- A. She asked me, if I wanted to go to the movies with her.
- B. She asked me: if I wanted to go to the movies with her?
- C. She asked me, if I wanted, to go to the movies with her.
- D. She asked me if I wanted to go to the movies with her.
Correct answer: D
Rationale: Option D uses a question mark within the quoted material as it is a direct question.
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