which part of the digestive system is responsible for absorbing water and forming feces
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ATI TEAS 7

Practice TEAS Science Test

1. Which part of the digestive system is responsible for absorbing water and forming feces?

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 is the strongest evidence for evolution?

Correct answer: D

Rationale: A) The fossil record provides evidence of how organisms have changed over time, showing transitional forms and the progression of species. B) Comparative anatomy involves studying the similarities and differences in the structures of different species, which can reveal common ancestry and evolutionary relationships. C) Biogeography examines the distribution of species around the world, which can be explained by evolution and continental drift. By considering all of the above evidence together, scientists can build a comprehensive understanding of evolution and how species have changed and diversified over time.

3. What is an electrically charged atom called?

Correct answer: A

Rationale: An ion is an atom that has gained or lost electrons, resulting in a positive or negative charge, making it electrically charged. This term specifically refers to atoms with a net electrical charge. Isotopes are atoms of the same element with different numbers of neutrons, not electrically charged. Molecules are formed when atoms bond together, but they are not necessarily charged. Compounds are substances composed of different elements bonded together, but they may not be electrically charged.

4. An object is thrown at an angle. Which of the following forces acts HORIZONTALLY on the object during its flight?

Correct answer: C

Rationale: During the flight of the object, the only force that acts horizontally on the object is air resistance. Air resistance opposes the motion of the object through the air and acts in the direction opposite to the object's velocity. Gravitational force acts vertically downward, influencing the object's weight and vertical motion. The normal force from the ground acts perpendicular to the ground to support the object's weight. The force of throwing initially imparts velocity to the object at an angle, but it does not act horizontally throughout the flight.

5. What is the anatomical term for the back of the body? Example: Shoulder blade.

Correct answer: C

Rationale: The correct answer is C: Posterior. 'Posterior' is the anatomical term that refers to the back of the body. It is the opposite of 'anterior,' which refers to the front of the body. 'Superior' typically describes a structure that is positioned above another structure, while 'inferior' refers to a structure that is below another. In this case, the term 'posterior' specifically indicates the back of the body, making it the most appropriate choice among the options provided.

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