ATI TEAS 7
Practice Science TEAS Test
1. Which of the following joints is an example of a hinge joint?
- A. Hip joint
- B. Elbow joint
- C. Shoulder joint
- D. Knee joint
Correct answer: B
Rationale: The correct answer is B: Elbow joint. A hinge joint allows movement primarily in one plane, enabling bending and straightening actions. The elbow joint specifically functions as a hinge joint, facilitating the bending and straightening of the arm. The other options, such as the hip joint (A), shoulder joint (C), and knee joint (D), are not examples of hinge joints as they allow movement in multiple planes with more complex motions.
2. What function do genes serve in the relationship between parents and offspring?
- A. Genes enable hereditary information to be passed from parents to offspring.
- B. Genes prohibit hereditary information from being passed from parents to offspring.
- C. Genes enable environmental factors to affect parents and offspring.
- D. Genes serve no function in the relationship between parents and offspring.
Correct answer: A
Rationale: Genes play a crucial role in passing hereditary information from parents to offspring, ensuring the transmission of genetic traits. This process forms the basis of inheritance and genetic continuity between generations. Choice B is incorrect as genes do not prohibit but rather facilitate the transmission of hereditary information. Choice C is incorrect because genes primarily transmit genetic information, while the influence of environmental factors is separate. Choice D is incorrect as genes are fundamental in genetic inheritance and the relationship between parents and offspring.
3. Which of the following systems is responsible for transporting blood throughout the body?
- A. Respiratory
- B. Circulatory
- C. Nervous
- D. Digestive
Correct answer: B
Rationale: The correct answer is B: Circulatory. The circulatory system, made up of the heart, blood vessels, and blood, is responsible for transporting blood throughout the body. It plays a vital role in delivering oxygen, nutrients, hormones, and removing waste products from cells. The respiratory system, on the other hand, is responsible for gas exchange in the lungs. The nervous system transmits signals between different parts of the body, while the digestive system processes food and absorbs nutrients from it. Therefore, choices A, C, and D are incorrect as they are not primarily involved in the transportation of blood throughout the body.
4. What happens during a physical change in matter?
- A. A new substance with different properties is formed
- B. The chemical composition of the substance changes
- C. The original substance can be recovered by physical means
- D. Energy is either released or absorbed
Correct answer: C
Rationale: During a physical change in matter, the original substance undergoes a change in its physical state or appearance without any change in its chemical composition. This means that the original substance can be recovered by physical means, such as melting, freezing, boiling, or condensing. No new substance is formed (option A), the chemical composition remains the same (option B), and energy changes can occur but are not a defining characteristic of a physical change (option D). The ability to recover the original substance by physical means distinguishes physical changes from chemical changes.
5. What is the process of a fertilized egg attaching itself to the uterine lining called?
- A. Ovulation
- B. Implantation
- C. Parturition
- D. Menstruation
Correct answer: B
Rationale: Implantation is the correct answer. It is the process in which a fertilized egg attaches itself to the uterine lining, where it will develop into an embryo and eventually a fetus. Ovulation, on the other hand, is the release of an egg from the ovary. Parturition refers to the process of giving birth, while menstruation is the shedding of the uterine lining if fertilization does not occur. Therefore, the process described in the question specifically pertains to implantation.
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