Health Care > EXAM > NLN Pax Science practice tests| 170 QUESTIONS| ALL ANSWERED CORRECT (All)

NLN Pax Science practice tests| 170 QUESTIONS| ALL ANSWERED CORRECT

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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: Correct Answer: carbon dioxide A person who was in an auto ac... cident has formed a blood clot at the site of the injury. One event that can lead to formation of a blood clot is that: Correct Answer: 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? Correct Answer: the approximate focal length of the lens In ecological succession, the first living thing to colonize a hitherto barren area is called a: Correct Answer: pioneer organism Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of: Correct Answer: protozoans Which of these conditions is associated with smoking? Correct Answer: emphysema Which of these quantities is most closely associated with an object's inertia? Correct Answer: Mass Which of these sequences of anatomic organization, from the simplest level to the most complex, is the correct sequence? Correct Answer: From tissue, organ, organ system to organism Which part of the cell structure controls the passage of materials into and out of the cell? Correct Answer: Plasma membrane While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand. What is the first action this [Show More]

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