NLN PAX RN Science Questions And Answers

Alimentary canal definition - Answer- begins at mouth, ends at anus... digestive system A neuron that transmits impulses from receptors to the spinal cord - Answer- sensory neuron Kinetic energy is at a maximum when the potential energy is... - Answer- at a minimum, for example at the bottom of an incline The more rapid the vibration of sound is, the ____________ the __________ is - Answer- higher, pitch What is the temperature during a phase change from liquid to gas? - Answer- Temperature is constant at 100 degrees Celsius per 1 atm If the temperature rises to 300 degrees Celsius of a gas, the substance would do what? - Answer- It would remain a gas.... it would change back to liquid or condense if heat was withdrawn Neutralization reactions from _____ and _______. - Answer- Water and a salt What organ controls the amount of calcium in the blood? - Answer- Parathyroid - Secreted PTH - Calcium low = release calcium - Calcium high = calcium deposits in bone Celsius to Farenheit equation - Answer- 9/5 x Celsius + 32 What tells you that a formula is an alcohol? - Answer- -OH If a car's rate of change of velocity is negative, the car is ________. - Answer- Slowing down What type of solution is an alkaline solution? - Answer- Basic What type of facilitation is needed to go down a concentration gradient? - Answer- Active transport Which of these biological processes includes the other 3? a) cell respiration b) Krebs cycle c) ETC d) anaerobic splitting of glucose - Answer- Cell respiration - Cell resp begins with splitting glucose. Products enter Krebs cycle and then ETC In the classification of 2 organisms, which of the following is the best evidence of a close relationship? a) # a