ATI TEAS 7
ATI TEAS Science Questions
1. Which of the following is the carbohydrate monomer?
- A. Disaccharide
- B. Lactose
- C. Monosaccharide
- D. Thymine
Correct answer: C
Rationale: The correct answer is C: Monosaccharide. Monosaccharides are the simplest form of carbohydrates, consisting of a single sugar unit. They are considered the carbohydrate monomers from which larger carbohydrates like disaccharides (composed of two sugar units) and polysaccharides (containing multiple sugar units) are built. Choices A and B, Disaccharide and Lactose, are not monomers but rather specific types of carbohydrates made up of multiple sugar units. Choice D, Thymine, is a nitrogenous base present in DNA and RNA, not a carbohydrate monomer.
2. Which type of energy is possessed by an object due to its position or configuration?
- A. Kinetic energy
- B. Thermal energy
- C. Potential energy
- D. Electrical energy
Correct answer: C
Rationale: Potential energy is the energy that an object possesses due to its position or configuration. It is considered stored energy that can be converted into other forms of energy to do work. When an object is lifted against gravity or compressed, it gains potential energy. Kinetic energy, the incorrect choice A, is the energy of motion possessed by an object. Thermal energy, the incorrect choice B, is related to the temperature of an object due to the motion of its particles. Electrical energy, the incorrect choice D, is related to the flow of electric charge in a circuit or system. Therefore, the correct answer is potential energy as it is associated with an object's position or configuration.
3. Where is the abdominopelvic cavity in relation to the thoracic cavity?
- A. Dorsal
- B. Ventral
- C. Superior
- D. Inferior
Correct answer: D
Rationale: The abdominopelvic cavity is located inferior to the thoracic cavity. The thoracic cavity contains organs like the heart and lungs, while the abdominopelvic cavity includes the abdomen and pelvis regions. Therefore, the correct answer is D, as the abdominopelvic cavity is positioned below (inferior to) the thoracic cavity. Choice A (Dorsal) is incorrect as it refers to the backside of the body. Choice B (Ventral) is incorrect as it refers to the front side of the body. Choice C (Superior) is incorrect as it indicates a position above the thoracic cavity, which is not the case.
4. Which level of protein structure is defined by the folds and coils of the protein's polypeptide backbone?
- A. Primary
- B. Secondary
- C. Tertiary
- D. Quaternary
Correct answer: B
Rationale: The correct answer is B: Secondary. The secondary structure of a protein is defined by the folds and coils of the protein's polypeptide backbone. This level of structure is characterized by the formation of alpha helices and beta sheets, which are stabilized by hydrogen bonds between amino acids along the polypeptide chain. Choice A, Primary, refers to the linear sequence of amino acids in the protein. Choice C, Tertiary, involves the 3D folding of the entire polypeptide chain. Choice D, Quaternary, pertains to the arrangement of multiple polypeptide subunits in a protein complex.
5. Which word choice best fits the blank: 'Her research paper was riddled with _____ errors.'
- A. flagrant (obvious and inexcusable)
- B. cursory (superficial)
- C. innocuous (harmless)
- D. meticulous (carefully detailed)
Correct answer: A
Rationale: The word 'flagrant' in option A is the most appropriate choice for the blank because it conveys the idea of errors that are glaringly obvious and inexcusable. In this context, the research paper is described as being 'riddled with errors,' suggesting a significant amount of mistakes that stand out and are severe. Choice B, 'cursory,' meaning superficial, does not accurately describe the seriousness of the errors. Choice C, 'innocuous,' meaning harmless, is the opposite of what is implied by the sentence. Choice D, 'meticulous,' meaning carefully detailed, is the opposite of what is needed to describe errors in this context.
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