ATI TEAS 7
Nursing Metric Conversions
1. What is 0.5 liters expressed in milliliters?
- A. 50 ml
- B. 500 ml
- C. 5 ml
- D. 0.5 ml
Correct answer: B
Rationale: To convert liters to milliliters, you multiply by 1000 since there are 1000 milliliters in a liter. Therefore, 0.5 liters x 1000 = 500 ml. Choice A (50 ml) is incorrect as it would be the conversion of 0.05 liters. Choice C (5 ml) is incorrect as it would be the conversion of 0.005 liters. Choice D (0.5 ml) is incorrect as it is the original measurement in milliliters, not the converted value from liters.
2. Based on the affixes, which of the following words could be defined as 'the study of humans'?
- A. Biology
- B. Philanthropy
- C. Anthropomorphism
- D. Anthropology
Correct answer: D
Rationale: The correct answer is 'Anthropology.' This term is derived from the Greek words 'anthropos' meaning 'human' and 'logos' meaning 'study.' Therefore, Anthropology refers to the study of humans. Choice A, 'Biology,' is the study of living organisms, not specifically focused on humans. Choice B, 'Philanthropy,' refers to the practice of giving and helping others. Choice C, 'Anthropomorphism,' is the attribution of human characteristics to non-human entities.
3. A ball is thrown horizontally off a cliff. Which of the following forces is responsible for its downward motion?
- A. The force of throwing
- B. Normal force from the air
- C. Tension force from the string (if used)
- D. Gravitational force
Correct answer: D
Rationale: The gravitational force is responsible for the downward motion of the ball. When the ball is thrown horizontally off a cliff, the only force acting on it in the vertical direction is the force of gravity, which pulls the ball downward towards the ground. The other forces mentioned (force of throwing, normal force from the air, tension force from the string) do not contribute to the ball's downward motion in this scenario. The force of throwing initiates the horizontal motion, the normal force from the air opposes the ball's motion through air resistance, and tension force from the string would only be relevant if a string were attached to the ball. Therefore, gravitational force is the primary force responsible for the ball's downward motion in this situation.
4. When magnesium metal reacts with hydrochloric acid, hydrogen gas is produced. What evidence suggests a chemical reaction is occurring?
- A. A change in color
- B. The formation of a gas
- C. Dissolving in a liquid
- D. No change in temperature
Correct answer: B
Rationale: The formation of a gas is evidence of a chemical reaction occurring. In this case, when magnesium metal reacts with hydrochloric acid, hydrogen gas is produced, indicating a chemical change is taking place. The production of gas is a clear indication of a chemical reaction, as new substances are being formed. A change in color might suggest a physical change, dissolving in a liquid could be a physical or chemical change depending on the context, and no change in temperature does not necessarily indicate a chemical reaction, as some reactions are endothermic or release small amounts of heat that may not be easily noticeable.
5. Which term refers to a position farther from the midline of the body? For example, the little toe is lateral to the big toe on the same foot.
- A. Lateral
- B. Medial
- C. Proximal
- D. Distal
Correct answer: A
Rationale: The correct answer is A: Lateral. Lateral refers to a position farther away from the midline of the body. In the example provided, the little toe is indeed lateral to the big toe on the same foot. This is in contrast to 'medial,' which means closer to the midline. 'Proximal' refers to a position closer to the point of attachment or the trunk of the body, while 'distal' refers to a position farther from the point of attachment or the trunk of the body.
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