Chemistry > EXAM > NLN Pax Science Practice Tests: Questions & Answers; Updated A+ Guide (All)

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NLN Pax Science Practice Tests: Questions & Answers; Updated A+ Guide

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A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains: (Ans- carbon dioxide A person who was in an auto accident ha... s formed a blood clot at the site of the injury. One event that can lead to formation of a blood clot is that: (Ans- ruptured platelets release thromboplastin A student focuses sunlight to a point with a thin converging (convex) lens. Which of these direct measurements can the student make as a result of this experiment? (Ans- the approximate focal length of the lens In ecological succession, the first living thing to colonize a hitherto barren area is called a: (Ans- pioneer organism Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of: (Ans- protozoans Which of these conditions is associated with smoking? (Ans- emphysema Which of these quantities is most closely associated with an object's inertia? (Ans- Mass Which of these sequences of anatomic organization, from the simplest level to the most complex, is the correct sequence? (Ans- From tissue, organ, organ system to organism Which part of the cell structure controls the passage of materials into and out of the cell? (Ans- Plasma membrane [Show More]

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