ATI TEAS 7
Practice TEAS Science Test Questions
Question 1 of 5
Which of the following brain structures is responsible for emotions, emotional behavior, and motivation?
Correct Answer: A
Rationale: The correct answer is A: Amygdala. The amygdala is responsible for processing emotions, emotional behavior, and motivation. It plays a crucial role in fear and pleasure responses. It also helps in memory consolidation of emotional events. The other choices, B: Cerebellum, C: Hypothalamus, and D: Pons, do not primarily govern emotions and motivation. The cerebellum is mainly involved in motor control, the hypothalamus regulates basic functions like hunger and thirst, and the pons controls sleep and arousal. Therefore, the amygdala is the correct answer for its specific role in emotions and motivation.
Question 2 of 5
What is the ultimate end product of glucose breakdown in glycolysis?
Correct Answer: C
Rationale: The correct answer is C: Pyruvic acid. In glycolysis, glucose is broken down into pyruvic acid. This process involves a series of enzymatic reactions that result in the production of pyruvic acid, which is a crucial intermediate in cellular respiration. Pyruvic acid can then enter the citric acid cycle to further extract energy in the form of ATP. Rationale for other choices: A: ATP is produced during glycolysis, but it is not the end product. B: NADPH is not the end product of glucose breakdown in glycolysis; it is a reducing agent used in various metabolic pathways. D: Oxygen is not directly produced as a result of glucose breakdown in glycolysis; oxygen is utilized in later stages of cellular respiration.
Question 3 of 5
In aerobic respiration, how many ATP molecules are produced per molecule of FADH2?
Correct Answer: B
Rationale: The correct answer is B (2 ATP molecules produced per FADH2 molecule) in aerobic respiration. FADH2 enters the electron transport chain at a later stage compared to NADH, leading to the production of 2 ATP through oxidative phosphorylation. FADH2 donates electrons to Complex II, bypassing Complex I, resulting in a lower energy yield compared to NADH which donates electrons to Complex I. Choice A (1 ATP) is incorrect as FADH2 produces more ATP than that. Choice C (3 ATP) is incorrect as FADH2 produces 2 ATP, not 3. Choice D (4 ATP) is incorrect as FADH2 produces 2 ATP, not 4.
Question 4 of 5
Which method is most suitable for measuring the volume of a cube?
Correct Answer: B
Rationale: The correct answer is B: Measuring wheel and mathematical formula. To measure the volume of a cube, you need to measure the length of one side using a measuring wheel and then use the formula V = s^3, where V is the volume and s is the length of one side. This method is suitable because it directly measures the side length of the cube, which is essential for calculating the volume accurately. Choice A, the triple beam balance, is used for measuring mass, not volume. Choice C, the graduated cylinder, is used to measure the volume of irregularly shaped objects using water displacement method, not ideal for a cube. Choice D, the measuring wheel alone, does not provide the formula for calculating the volume of a cube, making it less suitable compared to choice B.
Question 5 of 5
A researcher wants to conduct qualitative research. Which method should they use?
Correct Answer: A
Rationale: The correct answer is A: Collecting patient narratives. Qualitative research aims to understand individuals' experiences and perceptions in-depth. Collecting patient narratives allows for capturing subjective insights, emotions, and personal perspectives. This method helps uncover themes, patterns, and nuances in participants' stories, providing rich data for analysis. B: Tracking drug dosage and blood levels is quantitative research, focusing on numerical data. C: Observing physical changes is more suitable for quantitative or observational research. D: Writing journal notes about the research experience is reflective and may provide insights but does not capture the essence of qualitative research, which is to explore subjective experiences.
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