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Nursing Elites

ATI TEAS 7

Biology

1. Which biome is characterized by cold temperatures, permafrost, and coniferous trees?

Correct answer: A

Rationale: Rationale: A) Tundra: This biome is characterized by cold temperatures, permafrost (permanently frozen subsoil), and vegetation such as mosses, lichens, and coniferous trees like spruce and fir. The tundra is found in high latitudes near the Arctic Circle and high altitudes in mountainous regions. B) Desert: Deserts are characterized by low precipitation levels and high temperatures, with sparse vegetation adapted to arid conditions. C) Rainforest: Rainforests are characterized by high levels of rainfall, warm temperatures, and dense vegetation with a variety of plant and animal species. D) Savanna: Savannas are tropical grasslands with scattered trees and shrubs, characterized by a distinct wet and dry season. In this case, the description of cold temperatures, permafrost, and coniferous trees aligns most closely with the characteristics of the tundra biome, making option A

2. Which adjective best describes the following setting: "A lone cabin stood nestled amongst towering pines, smoke curling from its chimney into the crisp mountain air."

Correct answer: C

Rationale: "Idyllic" captures the peaceful and picturesque nature of the setting.

3. Which of the following is a unit of measurement for energy?

Correct answer: b

Rationale: Energy is measured in Joules (J) in the SI unit system.

4. What is the technical term for the involuntary muscular contractions that move food through the digestive tract?

Correct answer: B

Rationale: The correct answer is B: Peristalsis. Peristalsis is the coordinated, rhythmic contraction and relaxation of muscles in the digestive tract that propels food forward. This process helps move food through the esophagus, stomach, and intestines for digestion and absorption of nutrients. Segmentation (option A) is a different process involving alternating contractions in the intestines to mix food with digestive juices. Chylification (option C) is not a recognized term in digestion. Emulsification (option D) is the process of breaking down fats into smaller droplets for easier digestion, typically occurring in the small intestine with the help of bile. Therefore, peristalsis is the specific term for the involuntary muscular contractions responsible for moving food through the digestive tract.

5. Explain how a single gene mutation can lead to multiple phenotypes depending on the organism.

Correct answer: A

Rationale: A single gene mutation can affect different biochemical pathways or developmental processes, leading to a cascade of downstream effects and diverse phenotypic consequences.

6. The process of a gas changing into a liquid is called:

Correct answer: C

Rationale: Condensation happens when gas particles lose energy and slow down, transitioning into the liquid state.

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