ATI TEAS 7
Anatomy
1. Adipose tissue, commonly known as fat, primarily functions in:
- A. Support
- B. Insulation
- C. Energy storage
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' Adipose tissue, or fat, serves multiple functions in the body. It provides support by cushioning and protecting organs, acts as an insulation layer to maintain body temperature, and serves as a crucial energy storage site where excess energy is stored in the form of triglycerides. Therefore, all of the options listed (support, insulation, and energy storage) are accurate functions of adipose tissue.
2. A ball is thrown upwards. At the peak of its trajectory, which of the following forces is acting on the ball?
- A. Gravity only
- B. Gravity and air resistance only
- C. Neither gravity nor air resistance
- D. All of the above
Correct answer: C
Rationale: At the peak of its trajectory, the ball has momentarily stopped moving upwards and has not yet started to fall back down. Therefore, there is no longer a net force acting on the ball at that instant. Gravity is acting downwards, but since the ball is not moving, the force of gravity is balanced by an equal and opposite force, resulting in a net force of zero. Similarly, air resistance only affects the ball when it is in motion, so at the peak where the ball momentarily stops, there is no air resistance force. Therefore, at the peak of its trajectory, neither gravity nor air resistance is acting on the ball, making option C the correct answer.
3. Choose the correct pronoun to complete the sentence: "Neither Michael nor Sarah ____ their homework finished yet."
- A. has
- B. have
- C. are having
- D. does have
Correct answer: B
Rationale: When referring to "neither" followed by two subjects, the verb agrees with the plural subject ("Sarah"). So, "have" is the correct answer.
4. Two coherent light waves with a slight phase difference interfere. What determines the resulting intensity of the combined wave?
- A. The individual intensities of the waves
- B. The wavelength of the waves
- C. The distance between the waves
- D. The color of the waves
Correct answer: A
Rationale: The intensity of the resulting wave depends on the individual intensities and the phase difference between the interfering waves. Constructive interference leads to higher intensity, while destructive interference leads to lower intensity.
5. Which of the following processes breaks down cellular components for recycling or waste removal?
- A. Photosynthesis
- B. Cellular respiration
- C. Cell division
- D. Phagocytosis
Correct answer: D
Rationale: The correct answer is D: Phagocytosis. Phagocytosis is a process in which cells engulf and digest cellular components, pathogens, or other materials for recycling or waste removal. Photosynthesis (option A) is the process by which plants convert sunlight into energy. Cellular respiration (option B) is the process of converting glucose into ATP for energy production. Cell division (option C) is the process by which a cell divides into two daughter cells. Therefore, phagocytosis is the most relevant process that breaks down cellular components for recycling or waste removal.
6. The energy absorbed during a chemical reaction is called:
- A. Kinetic energy
- B. Potential energy
- C. Heat energy
- D. Endothermic energy
Correct answer: D
Rationale: Endothermic means "inward heat," indicating energy is absorbed during the reaction.
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