ATI TEAS 7
Physics
1. A car is moving in a circle at constant speed. Which of the following is NOT true about its motion?
- A. It has a constant centripetal acceleration
- B. It has a constant tangential velocity
- C. It experiences a force directed towards the center of the circle
- D. It covers the same distance in equal time intervals along its circular path
Correct answer: B
Rationale: In circular motion at a constant speed, the car has a constant centripetal acceleration (choice A), experiences a force directed towards the center of the circle (choice C), and covers the same distance in equal time intervals along its circular path (choice D). However, the tangential velocity of an object in circular motion at a constant speed changes continuously as it moves around the circle, so it is not constant (choice B).
2. What is the term for the particles moving around within a substance?
- A. Ions
- B. Atoms
- C. Molecules
- D. Kinetic energy
Correct answer: C
Rationale: In most cases, the particles moving within a substance are individual molecules or atoms, depending on the state of matter.
3. Which of the following is NOT a function of the cardiovascular system?
- A. Transporting oxygen to cells
- B. Maintaining blood pressure
- C. Carrying waste products to the kidneys for removal
- D. Initiating the immune response
Correct answer: D
Rationale: The cardiovascular system is responsible for transporting oxygen to cells (option A), maintaining blood pressure (option B), and carrying waste products to the kidneys for removal (option C). However, initiating the immune response (option D) is not a function of the cardiovascular system. The immune response is primarily carried out by the immune system, which includes organs like the spleen and lymph nodes. While the cardiovascular system does play a role in immune function by transporting immune cells and antibodies, it is not responsible for initiating the immune response. Therefore, option D is the correct answer.
4. Which sentence uses parallel structure correctly?
- A. I enjoy reading, watching movies, and to spend time with friends.
- B. Reading, watching movies, and spending time with friends are all activities I enjoy.
- C. like to read, watch movies, and spend time with friends.
- D. Reading, movies, and friends are all things I enjoy.
Correct answer: B
Rationale: Parallel structure means using the same grammatical form for elements in a list. Option (b) uses parallel gerunds ("reading," "watching," "spending"), making it the correct choice.
5. What is the name for the flexible connection between bones at the wrist or ankle?
- A. Ligament
- B. Tendon
- C. Fascia
- D. Synovial joint
Correct answer: A
Rationale: The correct answer is A: Ligament. Ligaments are fibrous connective tissues that connect bones to other bones, providing stability and support to joints. In the context of the wrist or ankle, ligaments play a crucial role in maintaining the structural integrity of these joints and preventing excessive movement that could lead to injury. Tendons (option B) connect muscles to bones, fascia (option C) is a connective tissue that surrounds muscles and other structures, and synovial joint (option D) refers to a type of joint that allows for movement. Therefore, the flexible connection between bones at the wrist or ankle is best described as a ligament.
6. What is the name of the microscopic filtering unit within the kidney responsible for waste removal and blood volume regulation?
- A. Nephron
- B. Ureteric bud
- C. Renal pyramid
- D. Glomerulus
Correct answer: A
Rationale: The correct answer is A: Nephron. The nephron is the functional unit of the kidney responsible for waste removal and blood volume regulation. It consists of the renal corpuscle, including the glomerulus for filtration, and the renal tubule for reabsorption and secretion. The other options, such as the ureteric bud, renal pyramid, and glomerulus, are structures within the kidney but do not specifically refer to the filtering unit responsible for waste removal and blood volume regulation like the nephron does.
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