ATI TEAS 7
Practice Science TEAS Test Questions
Question 1 of 5
Which of the following has a smaller genetic scale than a chromosome?
Correct Answer: B
Rationale: The correct answer is B: Gene. A gene is a smaller unit of genetic information than a chromosome. Chromosomes contain many genes, so they are larger in scale. The genome (option A) refers to the complete set of an organism's genetic material, which includes all the chromosomes. DNA (option C) is the genetic material that makes up chromosomes and genes. Option D is incorrect because while all the listed choices are related to genetics, genes are specifically smaller than chromosomes.
Question 2 of 5
Which type of tissue connects bones to other bones?
Correct Answer: B
Rationale: The correct answer is B: Ligaments. Ligaments are fibrous connective tissues that connect bones to other bones, providing stability and support to joints. Tendons (A) connect muscles to bones, not bones to other bones. Cartilage (C) is a type of connective tissue that cushions joints but does not directly connect bones. Muscle (D) is responsible for movement and does not directly connect bones to other bones. Therefore, the correct choice is ligaments as they specifically serve the function of connecting bones to other bones.
Question 3 of 5
What does cytokinesis refer to?
Correct Answer: B
Rationale: Cytokinesis refers to the division of the cytoplasm during cell division, specifically following the separation of chromosomes. This process results in two daughter cells being formed. The correct answer is B because it accurately describes the final step in cell division where the cytoplasm is divided to complete the formation of two separate daughter cells. Choices A, C, and D are incorrect as they do not specifically pertain to the process of cytokinesis. Choice A refers to the division of the nucleus, which is known as mitosis. Choice C refers to the separation of chromosomes, which is part of the earlier stages of cell division. Choice D refers to the formation of spindle fibers, which are involved in chromosome movement during mitosis but not directly related to cytokinesis.
Question 4 of 5
What is the primary function of the liver related to digestion?
Correct Answer: D
Rationale: The correct answer is D because the liver filters and detoxifies digestion byproducts. It processes nutrients from food, removes toxins, and metabolizes drugs. Choice A is incorrect because the liver produces bile, not just for digestion but also for waste elimination. Choice B is incorrect as the gallbladder stores bile. Choice C is incorrect as the liver converts waste ammonia into urea as part of the metabolic process, not specifically related to digestion.
Question 5 of 5
Which of the following statements is correct based on anatomical terms?
Correct Answer: D
Rationale: The correct answer is D because anatomical terms use specific directions to describe relationships between body parts. In this case, "lateral" refers to the side of the body, so the thumb being on the lateral aspect of the hand is accurate. The other choices are incorrect because they do not follow anatomical terminology standards. Choice A incorrectly compares the shoulder joint to the neck using proximity, not specific directional terms. Choice B uses "superior" incorrectly to describe the elbow joint in relation to the shoulder. Choice C inaccurately compares the thoracic and cervical vertebrae using the term "superior," which is not anatomically correct in this context.
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