ATI TEAS 7
TEAS 7 science practice
1. Which of the following structures in the male reproductive system produces the fluid that carries sperm?
- A. Testes
- B. Scrotum
- C. Prostate gland
- D. Seminal vesicles
Correct answer: D
Rationale: The seminal vesicles in the male reproductive system are responsible for producing the fluid that carries sperm. These glands contribute a significant portion of the semen's volume, providing nutrients and protection for the sperm, which helps in their motility and survival. The testes are responsible for producing sperm cells, not the fluid that carries them. The scrotum is the external sac that holds the testes and helps regulate their temperature but does not produce the fluid. The prostate gland produces a milky fluid that helps nourish and protect sperm but is not the main structure responsible for producing the fluid that carries sperm.
2. Which property of matter measures the amount of space occupied by an object?
- A. Mass
- B. Density
- C. Weight
- D. Volume
Correct answer: D
Rationale: Volume is the property of matter that measures the amount of space occupied by an object. Mass refers to the amount of matter in an object, weight is the force of gravity acting on an object, and density is the mass of an object per unit volume. Volume specifically quantifies the space occupied by an object, making it the correct answer in this context.
3. According to Newton's third law of motion, if you push against a wall with a certain force, the wall will push back with:
- A. A smaller force
- B. An equal force
- C. A greater force
- D. No force at all
Correct answer: B
Rationale: According to Newton's third law of motion, for every action, there is an equal and opposite reaction. When you push against a wall with a certain force, the wall will push back on you with an equal force in the opposite direction. Choice A is incorrect because the wall exerts an equal force back. Choice C is incorrect as it suggests a greater force, which goes against Newton's third law. Choice D is incorrect as the wall does exert a force back in response to your push.
4. What is the main function of white blood cells?
- A. Transport oxygen
- B. Fight infection
- C. Produce antibodies
- D. Regulate body temperature
Correct answer: B
Rationale: The main function of white blood cells is to fight infection, making choice B the correct answer. White blood cells are a crucial component of the immune system, working to defend the body against pathogens and foreign invaders. Choices A, C, and D are incorrect because white blood cells do not primarily transport oxygen, produce antibodies, or regulate body temperature. While some blood cells are involved in these functions, the primary role of white blood cells is to combat infections and maintain the body's immune response.
5. Approximately how many muscles are in the human body?
- A. 100
- B. 200
- C. 600
- D. Over 600
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.
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