ATI TEAS 7
physics
1. What type of energy does a stretched rubber band possess?
- A. Kinetic energy
- B. Potential energy
- C. Thermal energy
- D. Mechanical energy
Correct answer:
Rationale: When a rubber band is stretched, it stores potential energy due to its position or state.
2. Which of the following factors would NOT affect the solubility of a solid solute in a liquid solvent?
- A. Temperature
- B. Pressure
- C. Particle size
- D. Nature of the solute and solvent
Correct answer: b
Rationale: Pressure does not significantly affect the solubility of solid solutes in liquid solvents. The other choices are factors that can influence solubility.
3. The three main types of muscle tissue in the human body are:
- A. Smooth, cardiac, and voluntary skeletal
- B. Smooth, skeletal, and involuntary cardiac
- C. Voluntary smooth, cardiac, and skeletal
- D. Striated, non-striated, and epithelial
Correct answer: A
Rationale: The correct answer is A: Smooth, cardiac, and voluntary skeletal. Smooth muscle is found in the walls of internal organs and blood vessels, cardiac muscle makes up the heart, and voluntary skeletal muscle is attached to the bones and responsible for movement. Choice B is incorrect because cardiac muscle is involuntary, not voluntary. Choice C is incorrect because smooth muscle and cardiac muscle are involuntary, not voluntary. Choice D is incorrect because 'striated' and 'non-striated' refer to the appearance of muscle fibers, not the main types of muscle tissue in the body.
4. What is the common name for the organic compound CH₃OH?
- A. Methane
- B. Ethanol
- C. Methanol
- D. Butanol
Correct answer: C
Rationale: CH₃OH is commonly known as methanol. The other choices represent different organic compounds.
5. What is the part of the nervous system responsible for the “fight-or-flight†response?
- A. Somatic nervous system
- B. Parasympathetic nervous system
- C. Sympathetic nervous system
- D. Enteric nervous system
Correct answer: C
Rationale: The correct answer is C: Sympathetic nervous system. The sympathetic nervous system is responsible for the "fight-or-flight" response, which is the body's automatic response to perceived threat or danger. When activated, this system increases heart rate, dilates airways, and redirects blood flow to muscles to prepare the body for action. The somatic nervous system (A) controls voluntary movements, the parasympathetic nervous system (B) is responsible for the "rest and digest" response, and the enteric nervous system (D) regulates the digestive system. Therefore, the sympathetic nervous system is the specific part of the nervous system involved in the fight-or-flight response.
6. What are the two main types of nuclear decay, and what differentiates them?
- A. Fission and fusion, based on the size of the nucleus
- B. Alpha and beta decay, based on the emitted particle.
- C. Spontaneous and induced decay, based on the trigger.
- D. Isotope decay and chain reactions, based on the stability of the nucleus.
Correct answer: B
Rationale: The two main types of nuclear decay are alpha and beta decay, based on the emitted particle. In alpha decay, an alpha particle (which consists of two protons and two neutrons) is emitted from the nucleus. In beta decay, a beta particle (either an electron or a positron) is emitted from the nucleus. These types of decay are differentiated by the particles they emit, rather than the size of the nucleus, trigger, or stability of the nucleus.
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