SCIENCE 101 > EXAM > NLN SCIENCE EXAM QUESTIONS AND ANSWERS 2022/2023 (All)

NLN SCIENCE EXAM QUESTIONS AND ANSWERS 2022/2023

Document Content and Description Below

NLN SCIENCE EXAM QUESTIONS AND ANSWERS 2022/2023 You cut your finger rather deeply while slicing an apple. Which of these actions should you take first? a. apply a sterile adhesive bandage b. press... the cut surface to stop the flow of blood c. swab the wound with a mild antiseptic d. wash the wound continuously with cold running water d An unknown gas, more dense than air, supports combustion, and turns lime water cloudy. This gas is probably a. ammonia b. methane c. carbon dioxide d. hydrogen c If red light is passed through a dilute solution of chlorphyll solution, the spectrometer will detect what amount of transmittance of this light? a. 100% b. 50-75% c. less than 25% d. None b A student focuses sunlight to a point with a thin converging lens. which of these direct measurements can the student make as a result of the experiment? a. the approximate focal point of the lens b. the approximate wave length of the light used c. the approximate speed of light d. the approximate index of refraction of the lens a To sterilize a metal probe in the office, a dentist could use a steam sterilizer. If unavailable, the next most effective method to sterilize the instrument would be a. boiling it water for 15 mins b. dipping it into a concentrated acid solution c. heating it in a hot air oven at 160C for 20 mins d. washing it with soap and water [Show More]

Last updated: 2 years ago

Preview 1 out of 10 pages

Buy Now

Instant download

We Accept: