which of the following organs is responsible for detoxifying chemicals and metabolizing drugs
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ATI TEAS 7

ATI TEAS 7 Science

1. Which of the following organs is responsible for detoxifying chemicals and metabolizing drugs?

Correct answer: B

Rationale: The correct answer is B: Liver. The liver plays a crucial role in detoxifying chemicals and metabolizing drugs. It also produces bile for digestion. The liver contains enzymes that help metabolize drugs and toxins, making them easier for the body to eliminate. The kidneys are primarily responsible for filtering blood and regulating fluid balance, the heart's main function is to pump blood, and the pancreas produces digestive enzymes and hormones like insulin, but they do not have the primary function of detoxifying chemicals and metabolizing drugs.

2. Which plane divides the body into superior (top) and inferior (bottom) halves?

Correct answer: C

Rationale: The Transverse or Cross-Section Plane is the correct answer as it divides the body into superior (top) and inferior (bottom) halves. This plane runs horizontally across the body, perpendicular to the long axis, separating the body into upper and lower sections. Choice A, the Sagittal/Median Plane, divides the body into left and right halves, not superior and inferior halves. Choice B, the Frontal/Coronal Plane, divides the body into anterior (front) and posterior (back) halves. Choice D, the Horizontal Plane, is not a standard anatomical plane used to divide the body into specific sections.

3. What is the pathway of deoxygenated blood in our body?

Correct answer: B

Rationale: The correct pathway of deoxygenated blood in our body involves blood returning from the body, entering the right atrium, then passing to the right ventricle, and eventually reaching the lungs for oxygenation. This sequence ensures that deoxygenated blood is pumped to the lungs, where it receives oxygen and releases carbon dioxide before circulating back to the body. Choices A, C, and D are incorrect because they do not follow the actual path of deoxygenated blood in the circulatory system.

4. How much sugar is in a 1 M solution of sugar water?

Correct answer: B

Rationale: A 1 M solution of sugar water contains 1 mole of sugar in 1 liter of solution. Since 1 M (molar) solution means there is 1 mole of solute (sugar) dissolved in 1 liter of solvent (water), the correct answer is 100 mL of solution. Choice A, '1 L of water,' is incorrect because it does not specify the total volume of the solution. Choice C, 'Every 100 g of water,' is incorrect as it focuses on the weight of water, not the volume of the solution. Choice D, 'It depends on the type of sugar,' is incorrect since the concentration of a 1 M solution is standardized and does not vary based on the type of sugar used.

5. What is the role of the large intestine in the digestive system?

Correct answer: B

Rationale: The correct answer is B. The large intestine plays a crucial role in absorbing water from indigestible food matter and forming feces for elimination. Choice A is incorrect because the breakdown of proteins primarily occurs in the stomach and small intestine. Choice C is incorrect as the digestion of fats primarily occurs in the small intestine. Choice D is incorrect as neutralizing stomach acid is mainly the function of the stomach lining and not the large intestine.

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