ATI TEAS 7
TEAS Test 7 science quizlet
1. Which muscular tube carries urine from the kidneys to the bladder?
- A. Nephron
- B. Ureter
- C. Urethra
- D. Glomerulus
Correct answer: B
Rationale: The correct answer is B: Ureter. The ureter is the muscular tube that carries urine from the kidneys to the bladder. The nephron is the functional unit of the kidney responsible for filtering blood and producing urine. The urethra is the tube that carries urine from the bladder out of the body. The glomerulus is a network of capillaries in the nephron where filtration of blood occurs.
2. Which of the following is an example of a secondary alcohol?
- A. Methanol
- B. Ethanol
- C. Isopropanol
- D. Butanol
Correct answer: C
Rationale: Isopropanol is indeed an example of a secondary alcohol because the carbon atom bearing the hydroxyl group is bonded to two other carbon atoms. In isopropanol, the hydroxyl group is attached to a carbon atom that is bonded to two other carbon atoms. Methanol (Choice A) is a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to one other carbon atom. Ethanol (Choice B) is also a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to one other carbon atom. Butanol (Choice D) is a primary alcohol with the hydroxyl group attached to a carbon atom that is bonded to three other carbon atoms, making it a primary alcohol.
3. In physics, what does the term 'terminal velocity' refer to?
- A. Maximum velocity reached by an object in free fall
- B. Velocity when the object is at rest
- C. Instantaneous velocity of an object
- D. Velocity only reached by heavy objects
Correct answer: A
Rationale: Terminal velocity in physics refers to the maximum velocity achieved by an object in free fall when the force of gravity equals the force of air resistance. At terminal velocity, the object stops accelerating and maintains a constant speed. This occurs when the opposing forces are balanced, leading to no further increase in speed. Choice B is incorrect as velocity when the object is at rest is zero, not at terminal velocity. Choice C is incorrect as instantaneous velocity refers to the velocity at a specific moment in time, not the maximum speed reached in free fall. Choice D is incorrect because terminal velocity is not exclusive to heavy objects; all objects in free fall can reach terminal velocity under the right conditions.
4. How many kilograms are in 1,800 grams?
- A. 0.18
- B. 1.8
- C. 18
- D. 180
Correct answer: B
Rationale: To convert grams to kilograms, divide by 1,000 since there are 1,000 grams in a kilogram. Therefore, 1,800 grams is equal to 1.8 kilograms (1,800 / 1,000 = 1.8). Choice A (0.18) is incorrect because it incorrectly shifted the decimal point. Choice C (18) is incorrect as it represents the direct conversion without dividing by 1,000. Choice D (180) is incorrect as it is in the hundreds and not the correct conversion to kilograms. The correct answer is B.
5. What property of a substance refers to its ability to undergo a chemical change and form new substances with different properties?
- A. Density
- B. Mass
- C. Reactivity
- D. Volume
Correct answer: C
Rationale: Reactivity is the property of a substance that describes its ability to undergo a chemical change and form new substances with different properties. Density (A), mass (B), and volume (D) are physical properties of a substance and do not directly relate to its ability to undergo chemical changes. Density is mass per unit volume, mass is the amount of matter in a substance, and volume is the space occupied by a substance.
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