ATI TEAS 7
Physics
1. What is the unit of force in the SI system?
- A. Newton (N)
- B. Kilogram (kg)
- C. Meter (m)
- D. Second (s)
Correct answer: A
Rationale: Force is measured in Newtons, named after Isaac Newton who formulated the laws of motion.
2. Which sentence uses the subjunctive mood correctly?
- A. I wish I could have gone to the beach.
- B. If I were you, I would choose option B.
- C. He insisted that she stay home.
- D. Although it was raining, we decided to go for a walk.
Correct answer: A
Rationale: Option A expresses a wish or hypothetical situation, requiring the subjunctive mood.
3. One leadership theory states that “leaders are born and not made,†which refers to which of the
- A. Trait
- B. Charismatic
- C. Great Man
- D. Situational
Correct answer: A
Rationale: The correct answer is A: Trait. The statement 'leaders are born and not made' aligns with the Trait theory of leadership, which suggests that certain individuals are born with innate qualities and characteristics that make them effective leaders. This theory focuses on identifying specific traits, such as intelligence, charisma, and self-confidence, that are believed to be inherent in successful leaders. Charismatic leadership (option B) emphasizes the charm and appeal of a leader, Great Man theory (option C) suggests that leaders are born with unique qualities that set them apart, and Situational leadership (option D) focuses on adapting leadership style based on the situation. However, the statement in the question best corresponds to the Trait theory, making option A the correct choice.
4. What are the different types of electromagnetic waves based on their wavelengths and frequencies?
- A. Visible light, X-rays, radio waves, gamma rays
- B. Sound waves, water waves, seismic waves, shock waves
- C. Longitudinal waves, transverse waves, mechanical waves, non-mechanical waves
- D. None of the above represent types of electromagnetic waves.
Correct answer: A
Rationale: Electromagnetic waves are classified based on their wavelengths and frequencies. Visible light, X-rays, radio waves, and gamma rays are all examples of electromagnetic waves with different wavelengths and frequencies. Sound waves, water waves, seismic waves, and shock waves are not electromagnetic waves but rather mechanical waves. Longitudinal waves, transverse waves, mechanical waves, and non-mechanical waves are classifications based on the direction of particle displacement and do not represent types of electromagnetic waves.
5. Which organelle is responsible for controlling the activities of the cell?
- A. Golgi apparatus
- B. Mitochondria
- C. Nucleus
- D. Ribosomes
Correct answer: C
Rationale: Rationale: The nucleus is the organelle responsible for controlling the activities of the cell. It contains the cell's genetic material (DNA) and serves as the command center of the cell, regulating gene expression and directing cellular activities. The nucleus plays a crucial role in cell growth, metabolism, and reproduction. The Golgi apparatus is involved in processing and packaging proteins, the mitochondria are responsible for producing energy in the form of ATP, and ribosomes are involved in protein synthesis. However, none of these organelles have the primary function of controlling the activities of the cell like the nucleus does.
6. A collection of organs working together to perform a specific physiological function is known as a(n):
- A. Tissue
- B. Organ system
- C. Organelle
- D. Organ
Correct answer: B
Rationale: The correct answer is B: Organ system. An organ system is a group of organs that work together to carry out a specific function in the body. While an organ is made up of different types of tissues that work together, an organ system involves multiple organs collaborating to perform more complex tasks. Tissues (option A) are groups of similar cells working together, organelles (option C) are structures within cells that have specific functions, and organs (option D) are made up of tissues and perform specific functions, but the term 'organ system' specifically refers to a higher level of organization involving multiple organs working in coordination.
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