ATI TEAS 7
Practice TEAS Science Test
1. 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.
2. What property of a substance refers to its ability to be drawn into thin wires?
- A. Conductivity
- B. Ductility
- C. Viscosity
- D. Malleability
Correct answer: B
Rationale: Ductility is the property of a substance that allows it to be drawn into thin wires without breaking. Conductivity refers to the ability of a substance to conduct electricity or heat, not to be drawn into wires. Viscosity is the measure of a fluid's resistance to flow, not related to the ability to be drawn into wires. Malleability is the property of a substance that allows it to be hammered or rolled into thin sheets, not specifically related to being drawn into wires. Therefore, the correct property for the ability to be drawn into thin wires is ductility.
3. What is the primary function of the small intestine?
- A. To absorb water
- B. To absorb nutrients
- C. To store waste
- D. To produce enzymes
Correct answer: B
Rationale: The correct answer is B: "To absorb nutrients." The small intestine's primary function is to absorb nutrients from digested food. It plays a crucial role in the digestion and absorption of nutrients such as proteins, carbohydrates, fats, vitamins, and minerals, which are essential for the body's functions and energy production. Choice A, "To absorb water," is incorrect because the absorption of water primarily occurs in the large intestine. Choice C, "To store waste," is incorrect as waste is stored in the large intestine before elimination. Choice D, "To produce enzymes," is incorrect because while the small intestine does receive enzymes from other organs to aid in digestion, its primary role is not enzyme production.
4. What force keeps a car moving along a curved road?
- A. Gravitational force
- B. Normal force from the road
- C. Air resistance
- D. Friction between the tires and the road
Correct answer: D
Rationale: The correct answer is D: Friction between the tires and the road. When a car travels along a curved road, the friction between the tires of the car and the road provides the necessary centripetal force required to keep the car moving in the curved path. This friction allows the tires to grip the road and prevent the car from sliding off the curve due to inertia or momentum. Choices A, B, and C are incorrect because gravitational force, normal force from the road, and air resistance do not play a significant role in keeping a car moving along a curved road. While these forces may have other effects on the car's motion, they are not the primary force responsible for maintaining the car's trajectory along a curve.
5. Which of the following choices best describes the location of the trachea in relation to the esophagus?
- A. Lateral
- B. Anterior
- C. Posterior
- D. Dorsal
Correct answer: B
Rationale: The trachea is situated in front of the esophagus, making it anterior to the esophagus. This anatomical relationship is crucial to understand in clinical practice, particularly regarding airway management and esophageal intubation. Therefore, the correct answer is B: 'Anterior.' Choices A, C, and D are incorrect because the trachea is not located to the side (lateral), behind (posterior), or on the back (dorsal) of the esophagus.
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