ATI TEAS 7
TEAS 7 Science Practice Test
1. Which of the following describes the muscular organ that processes food material into increasingly smaller pieces, mixes it with saliva to create a bolus, and creates a barrier to transport food into the esophagus?
- A. pharynx
- B. tongue
- C. diaphragm
- D. stomach
Correct answer: B
Rationale: The tongue is the muscular organ responsible for manipulating food material in the mouth, breaking it down into smaller pieces, and mixing it with saliva to form a bolus. It also plays a crucial role in pushing the food bolus towards the back of the mouth to facilitate swallowing and transport the food into the esophagus. The pharynx is involved in swallowing and directing food to the esophagus after it passes the mouth. The diaphragm is a muscle involved in the breathing process, not food processing. The stomach is an organ responsible for further digestion of food after it passes through the esophagus.
2. Which of the following is a function of the skeletal system?
- A. To produce red blood cells
- B. To provide structural support
- C. To transport nutrients
- D. To store fat
Correct answer: B
Rationale: The correct answer is B: To provide structural support. The skeletal system is primarily responsible for supporting the body's structure, protecting internal organs, facilitating movement, and storing minerals. While bones do play a role in producing red blood cells (hematopoiesis) in the bone marrow, the main function related to the question is providing structural support. Choices C and D are incorrect as the skeletal system is not involved in transporting nutrients or storing fat. The main functions of the skeletal system are related to support, protection, movement facilitation, mineral storage, and hematopoiesis.
3. What is the formula to calculate work?
- A. Work = Force × Distance
- B. Work = Mass × Velocity
- C. Work = Power × Time
- D. Work = Energy ÷ Time
Correct answer: A
Rationale: Work is defined as the product of the force applied to an object and the distance over which the force is applied. The formula to calculate work is represented by Work = Force × Distance, where force is the applied force on an object and distance is the displacement over which the force is applied. Therefore, the correct formula to calculate work is Work = Force × Distance. Choice B, 'Work = Mass × Velocity,' is incorrect because work involves force and distance, not mass and velocity. Choice C, 'Work = Power × Time,' is incorrect because work is not directly calculated using power and time. Choice D, 'Work = Energy ÷ Time,' is incorrect because work is not typically calculated by dividing energy by time; rather, it involves the product of force and distance.
4. Which part of the digestive system is responsible for absorbing water and forming feces?
- A. Stomach
- B. Small intestine
- C. Large intestine
- D. Esophagus
Correct answer: C
Rationale: The correct answer is the large intestine. The large intestine is responsible for absorbing water and forming feces from undigested food. The stomach's main function is to break down food with acid and enzymes. The small intestine is where most of the nutrients are absorbed into the bloodstream. The esophagus is the tube that connects the mouth to the stomach and does not play a role in absorbing water or forming feces.
5. Which of the following best describes the statement 'This flower is dead; someone must have forgotten to water it'?
- A. A classification
- B. An observation
- C. An inference
- D. A collection
Correct answer: C
Rationale: The correct answer is 'C: An inference.' An inference is a conclusion reached based on evidence and reasoning. In this statement, the conclusion that someone must have forgotten to water the flower is drawn from the evidence that the flower is dead. Choice A, 'A classification,' is incorrect because the statement does not involve categorizing or grouping. Choice B, 'An observation,' is incorrect as the statement goes beyond just stating a fact and makes a conclusion. Choice D, 'A collection,' is unrelated to the process of drawing a conclusion based on the given evidence.
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