ATI TEAS 7
Anatomy
1. Which type of tissue is characterized by tightly packed cells with minimal extracellular matrix and provides structural support and protection?
- A. Epithelial tissue
- B. Connective tissue
- C. Muscle tissue
- D. Nervous tissue
Correct answer: B
Rationale: The correct answer is B: Connective tissue. Connective tissue is characterized by tightly packed cells with minimal extracellular matrix, which provides structural support and protection. Epithelial tissue, while also tightly packed, is specialized for lining and covering surfaces. Muscle tissue is composed of cells with contractile properties for movement, and nervous tissue is made up of neurons for transmitting electrical signals. Therefore, connective tissue best fits the description of being densely packed with cells and serving a structural support and protective function.
2. What is the main function of estuaries?
- A. Filtering pollutants from water
- B. Providing habitat for marine life
- C. Storing carbon dioxide
- D. Generating wind power
Correct answer: B
Rationale: Rationale: Estuaries are coastal areas where freshwater from rivers and streams mixes with saltwater from the ocean. They serve as important habitats for a variety of marine life, including fish, birds, and other wildlife. Estuaries provide shelter, breeding grounds, and food sources for many species, making them crucial for the overall health of marine ecosystems. While estuaries can help filter pollutants to some extent, their primary function is to support and sustain diverse populations of plants and animals. Storing carbon dioxide and generating wind power are not main functions of estuaries.
3. The human body's largest organ, responsible for detoxification and a multitude of other functions, is the:
- A. Heart
- B. Liver
- C. Lungs
- D. Skin
Correct answer: B
Rationale: The correct answer is B: Liver. The liver is the largest internal organ in the human body and is responsible for detoxification, processing nutrients, producing bile, and regulating blood sugar levels, among other functions. While the heart is vital for pumping blood, the lungs are crucial for respiration, and the skin is the body's largest external organ, the liver plays a central role in detoxification and various metabolic processes, making it the correct answer to this question.
4. Based on the information provided, which statement is LEAST likely to be supported by the author?
- A. Energy storage technologies play a critical role in the future of renewable energy utilization.
- B. Smart grids can improve the reliability and efficiency of the electricity grid.
- C. Continued reliance on fossil fuels hinders long-term climate change mitigation goals.
- D. Technological advancements offer solutions to overcome challenges associated with renewable energy.
Correct answer: B
Rationale: While the passage mentions smart grids, its primary focus is on managing the intermittency of renewable energy, making B the least likely statement the author would strongly support.
5. Which element is a good conductor of electricity but is not a metal?
- A. Copper
- B. Silver
- C. Graphite
- D. Gold
Correct answer: C
Rationale: While metals are known for their conductivity, some non-metals like graphite also exhibit this property due to their unique electronic structure
6. What is the work done by a force of 20 N acting on an object that moves 5 meters in the direction of the force?
- A. 100 Joules (J)
- B. 25 Joules (J)
- C. 4 Joules (J)
- D. Work cannot be determined without knowing the object's mass.
Correct answer: A
Rationale: Work is defined as the force applied multiplied by the distance moved in the direction of the force. Work = force x distance = 20 N x 5 m = 100 J.
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