ATI TEAS 7
TEAS 7 science study guide free
1. What is the process of converting glucose into ATP, the cell's primary energy currency, called?
- A. Cellular respiration
- B. Fermentation
- C. Photosynthesis
- D. Hydrolysis
Correct answer: A
Rationale: A) Cellular respiration is the correct answer. It is the process by which cells convert glucose into ATP, the primary energy currency of the cell. This process involves a series of biochemical reactions that occur in the mitochondria of eukaryotic cells or the cytoplasm of prokaryotic cells. Through cellular respiration, the energy stored in glucose molecules is gradually released and captured in the form of ATP. B) Fermentation is an anaerobic process that occurs in the absence of oxygen. It involves the partial breakdown of glucose to produce ATP and end products such as lactic acid or ethanol. While fermentation can generate ATP, it is less efficient than cellular respiration in terms of energy production. C) Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. This process occurs in chloroplasts and is the opposite of cellular respiration. While photosynthesis produces glucose, it is not the process of converting glucose into ATP. D) Hydrolysis is a chemical process that uses water to break down molecules into smaller components. It is not specifically related to converting glucose into ATP.
2. What is the term for the process of bone formation and breakdown?
- A. Ossification
- B. Resorption
- C. Remodeling
- D. All of the above
Correct answer: C
Rationale: The correct term for the process of bone formation and breakdown is remodeling. Ossification specifically refers to bone formation, while resorption pertains to bone breakdown. Remodeling encompasses both processes, as it involves the continuous cycle of bone formation and resorption to maintain bone strength and structure. Choice A, 'Ossification,' is incorrect as it only refers to bone formation. Choice B, 'Resorption,' is incorrect as it only refers to bone breakdown. Choice D, 'All of the above,' is incorrect as it includes terms that are not comprehensive of both bone formation and breakdown.
3. Which division of the autonomic nervous system is responsible for the 'rest and digest' response, promoting relaxation and conservation of energy?
- A. Sympathetic nervous system
- B. Parasympathetic nervous system
- C. Somatic nervous system
- D. Central nervous system
Correct answer: B
Rationale: The correct answer is B: Parasympathetic nervous system. The parasympathetic nervous system is responsible for the 'rest and digest' response, promoting relaxation, conserving energy, and facilitating activities like digestion and lowering heart rate. The sympathetic nervous system, which is not the correct answer, triggers the 'fight or flight' response, preparing the body for stressful situations by increasing heart rate, dilating airways, and releasing adrenaline. The somatic nervous system (choice C) controls voluntary movements, not the autonomic functions related to 'rest and digest.' The central nervous system (choice D) includes the brain and spinal cord and is not specifically involved in the autonomic regulation of bodily functions like the 'rest and digest' response.
4. When students study character development, setting, and plot, what are they studying?
- A. Word analysis
- B. Points of view
- C. Literary analysis of fictional texts
- D. Fluency
Correct answer: C
Rationale: When students study character development, setting, and plot, they are engaging in the analysis of fictional texts. These elements are central to understanding the narrative and how various literary devices are used to convey meaning. Word analysis (choice A) focuses on the study of individual words, which is different from analyzing the broader aspects of a text like character development, setting, and plot. Points of view (choice B) refer to the perspective from which a story is told, which is not the same as studying character development, setting, and plot. Fluency (choice D) pertains to the ability to read with speed, accuracy, and expression, and is not directly related to the analysis of fictional texts.
5. What are the three regions of the small intestine?
- A. Duodenum, ileum, jejunum
- B. Cecum, ileum, jejunum
- C. Duodenum, jejunum, ileum
- D. Duodenum, jejunum, colon
Correct answer: C
Rationale: The correct answer is C: Duodenum, jejunum, ileum. The small intestine is divided into three regions: the duodenum, jejunum, and ileum. The duodenum is the initial segment where most chemical digestion takes place. The jejunum and ileum follow the duodenum and are primarily responsible for nutrient absorption. Choice A is incorrect because the order is incorrect. Choice B is incorrect because the cecum is part of the large intestine, not the small intestine. Choice D is incorrect because the colon is part of the large intestine, not the small intestine.
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