NLN PAX RN Science Questions and answers. Latest Guide. Rated A+. Document Content and Description Below

NLN PAX RN Science Questions and answers. Latest Guide. Rated A+. Document Content and Description Below Alimentary canal definition - begins at mouth, ends at anus... digestive system A neuron that transmits impulses from receptors to the spinal cord - sensory neuron Kinetic energy is at a maximum when the potential energy is... - at a minimum, for example at the bottom of an incline The more rapid the vibration of sound is, the ____________ the __________ is - higher, pitch What is the temperature during a phase change from liquid to gas? - 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? - It would remain a gas.... it would change back to liquid or condense if heat was withdrawn Neutralization reactions from _____ and _______. - Water and a salt What organ controls the amount of calcium in the blood? - Parathyroid - Secreted PTH - Calcium low = release calcium - Calcium high = calcium deposits in bone Celsius to Farenheit equation - 9/5 x Celsius + 32 What tells you that a formula is an alcohol? - -OH If a car's rate of change of velocity is negative, the car is ________. - Slowing down What type of solution is an alkaline solution? - Basic What type of facilitation is needed to go down a concentration gradient? - Active transport Which of these biological processes includes the other 3? a) cell respiration b) Krebs cycle c) ETC d) anaerobic splitting of glucose - 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) # and arrangement of bones b) similar sequence of AA and proteins c) similar methods of sexual reproduction d) similar methods of cell respiration - b) similar sequence of AA and proteins Bending of light - Refraction What makes up proteins? - Amino Acids Einsteins equation E=mc^2.... what does c represent? - c = speed of light More energy is used pushing an object up an inclined plane than lifting the box straight up. Why is this? - work is done against friction in pushing the box. Energy goes into counteracting friction Tip of crest to tip of crest in a wave is called - wavelength Most of the work done by the human kidney occurs in the - nephron Where is food stored in a growing embryo of a bean seed? - The endosperm... large area inside the embryo In NaCl(aq), the solvent is __________. - Water. Because (aq) implies that NaCl will be put into water What turns starch blue-black? - Lugol's solution Ohm's law is the study of ___________. - Electricity What temperature cannot occur? - Anything below 0 Kelvin What organisms are Protists? - fungi, ferns, mollusks What is a half life? - One half life is the amount of time it takes for one half of the mass of a sample of radioactive substance to decay. Ex) Half life is 20 years for 12g. in 20 years.... 12/2 = 6g... in 40 years..... 6/2=3g Isotopes contain a different number of __________. But they have the same atomic number. - Neutrons What makes up the atomic mass? - Protons and Neutrons What makes up the atomic number? - Protons and Electrons If you chew a bland cracker slowly, what will it fast like? And why? - Sweet because the enzyme amylase breaks down starches to sugars A compound that acts l