ATI TEAS 7
Mometrix TEAS 7 science practice test
1. What type of energy does an object in motion possess?
- A. Potential energy
- B. Kinetic energy
- C. Thermal energy
- D. Chemical energy
Correct answer: B
Rationale: The correct answer is B. Kinetic energy is the energy possessed by an object in motion. When an object is in motion, it has the ability to do work due to its motion, which is known as kinetic energy. Potential energy, choice A, refers to stored energy that has the potential to do work but is not related to motion. Thermal energy, choice C, is related to the temperature of an object, not its motion. Chemical energy, choice D, is energy stored in the bonds of chemical compounds and is not directly related to an object's motion.
2. 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.
3. Through what tubes does urine travel from the kidneys to the bladder?
- A. Urethra
- B. Ureters
- C. Renal arteries
- D. Renal veins
Correct answer: B
Rationale: The correct answer is 'Ureters.' The ureters are the tubes that transport urine from the kidneys to the bladder. The urethra, not a choice in this question, is the tube responsible for carrying urine from the bladder out of the body. Renal arteries and veins are blood vessels that respectively supply and drain the kidneys, not involved in the transport of urine to the bladder.
4. What is the role of the diaphragm in the respiratory system?
- A. To regulate blood pressure
- B. To contract and expand the lungs
- C. To produce red blood cells
- D. To absorb oxygen
Correct answer: B
Rationale: The correct answer is B: To contract and expand the lungs. The diaphragm plays a crucial role in the respiratory system by contracting and expanding the lungs. When it contracts, it flattens, increasing the volume of the thoracic cavity and causing air to be drawn into the lungs. Conversely, when it relaxes, it moves back up, decreasing the thoracic cavity volume and pushing air out of the lungs. This process is essential for breathing and the exchange of oxygen and carbon dioxide in the body. Choices A, C, and D are incorrect. The diaphragm is not involved in regulating blood pressure, producing red blood cells, or absorbing oxygen. Its primary function is to aid in respiration by facilitating breathing through its contraction and relaxation movements.
5. Which of the following is a pair of nerves that originates from the brain?
- A. Spinal nerves
- B. Olfactory nerves
- C. Sciatic nerve
- D. Optic nerve
Correct answer: B
Rationale: The olfactory nerves, choice B, are a pair of cranial nerves that originate from the brain. They are responsible for the sense of smell and are the only cranial nerves that directly connect to the cerebrum. Spinal nerves, choice A, originate from the spinal cord, the sciatic nerve, choice C, is a large nerve that originates in the lower back, and the optic nerve, choice D, originates from the retina of the eye. Therefore, choices A, C, and D are incorrect as they do not originate directly from the brain.
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