NLN Pax Science Tests 2023/2024 Questions and Answers |Graded A
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NLN Pax Science Tests 2023/2024 Questions and Answers |Graded A A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains: ... [Answer:- carbon dioxide A person who was in an auto accident has formed a blood clot at the site of the injury. One event that can lead to formation of a blood clot is that: [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? [Answer:- the approximate focal length of the lens In ecological succession, the first living thing to colonize a hitherto barren area is called a: [Answer:- pioneer organism Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of: [Answer:- protozoans Which of these conditions is associated with smoking? [Answer:- emphysema Which of these quantities is most closely associated with an object's inertia? [Answer:- Mass Which of these sequences of anatomic organization, from the simplest level to the most complex, is the correct sequence? [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? [Answer:- Plasma membrane While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand. What is the first action this student should take? [Answer:- Flush her hand with large quantities of water Within a living cell, the oxygen (O2) from a mixture of O2 and carbon dioxide (CO2) is used up. This creates a concentration gradient across the cell membrane, drawing O2 across the membrane from the outside in, a process known as [Answer:- Diffusion You cut your finger rather deeply while slicing an apple. Which of these actions should you take first? [Answer:- Wash the wound continuously with cold running water [Show More]
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