which of the following functional groups has the highest priority according to the cahn ingold prelog cip ranking system
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ATI TEAS 7

TEAS 7 science practice questions

1. According to the Cahn-Ingold-Prelog (CIP) ranking system, which functional group has the highest priority?

Correct answer: C

Rationale: In the Cahn-Ingold-Prelog (CIP) ranking system, functional groups are prioritized based on the atomic number of the atoms directly attached to the functional group. Carboxylic acid (COOH) holds the highest priority as the carbon atom is directly bonded to two oxygen atoms, which have higher atomic numbers compared to carbon, hydrogen, or nitrogen. The higher the atomic number of the attached atoms, the higher the priority of the functional group in the CIP ranking system. Therefore, choices A, B, and D are incorrect as they have lower atomic numbers in the atoms directly attached to them, making them lower in priority according to the CIP system.

2. What is the primary function of the respiratory system?

Correct answer: B

Rationale: The primary function of the respiratory system is to take oxygen into the body through inhalation and remove carbon dioxide through exhalation. Oxygen is essential for cellular respiration and energy production, while carbon dioxide is a waste product that needs to be expelled from the body. This process is vital for the functioning of the body's cells and tissues. Choices A, C, and D are incorrect because sound and speech production, nutrient transport, and acting as a barrier against outside influences are not the primary functions of the respiratory system. While the respiratory system is involved in speech production to some extent, its primary role is in gas exchange for respiration.

3. Approximately how many muscles are in the human body?

Correct answer: D

Rationale: The human body has over 600 muscles responsible for various functions like movement, stability, and posture. These muscles work together enabling us to perform daily activities and are crucial for our overall health and well-being. Choices A, B, and C are incorrect because the human body has far more than 100, 200, or 600 muscles. Option D, 'Over 600,' is the correct answer as it accurately reflects the approximate number of muscles in the human body.

4. Beta waves, associated with alertness and focused attention, typically fall within the range of:

Correct answer: D

Rationale: Beta waves, associated with alertness and focused attention, typically fall within the range of 13-30 Hz. These waves are present when individuals are engaged in cognitive tasks, problem-solving, or focused mental activities. Options A, B, and C are incorrect because these frequency ranges are not characteristic of beta waves. Beta waves are higher in frequency and are associated with more active mental states compared to the ranges mentioned in options A, B, and C. Therefore, the correct answer is 13-30 Hz (Choice D).

5. Following the scientific method, which steps would be done before gathering qualitative data?

Correct answer: B

Rationale: In the scientific method, defining the problem is typically the initial step. Before gathering qualitative data, it is essential to clearly outline and understand the issue or question being addressed. This step helps in guiding the research process and ensures that the data collected are relevant to the problem at hand. Communicating with a scientific journal (Choice A) is not a standard step in the scientific method; it comes after the research is conducted. Developing a hypothesis (Choice C) usually follows defining the problem and precedes data collection. Categorizing data for statistical analysis (Choice D) occurs after data collection, not before gathering qualitative data.

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