Cell Membrane Transport The purposes for these experiments is to be able to understand osmosis and its relationship to tonicity of solutions‚ and the transportation of molecules across cell membranes. It’s also used to understand‚ and how temperature affects diffusion. You also learn how to test for presences of starches and sugars in solutions. In the first exercise I will be testing for diffusion through an artificial membranes. This one has forty five steps to it. I will not go into
Premium Cell membrane Starch Water
There are two types of otitis media. While Traditional medical care uses‚ antibiotics and‚ surgical tubes‚ Chiropractic care uses‚ no drugs or surgery‚ and is safe‚ gentle‚ and effective in less time to treat Otitis Media (inner ear infection.) Traditional medical care starts with antibiotics‚ resulting in the surgical implantation of tubes. While Chiropractic treatment is a gentle adjustment of the cervical spine using neither drugs nor surgery‚ resulting in an effective
Premium Ear
Other variables to be controlled Other equipment Method and outcome Temperature Volume of solutions Stress of Daphnia Size of Daphnia Time of acclimatisation Microscope‚ counter‚ cavity slide‚ dropping pipettes‚ stop clock‚ distilled water‚ test tubes‚ stop clock Method: Remove 1 Daphnia and place in cavity slide. Remove pond water and replace with distilled water. Leave for 5mins to acclimatise then observe & count heart rate under microscope for 30s‚ multiply number by 2 to calculate beats/min
Premium Petri dish Laboratory glassware Agar plate
In a normal pregnancy‚ a fertilized egg travels from the location of fertilization (the fallopian tube) to the uterus. Sometimes however‚ the egg grows in the wrong place‚ which is known as an ectopic pregnancy. Ectopic pregnancy was first documented as early as 1693 during a routine autopsy performed on a female prisoner condemned to death and executed (Speroff‚ pg. 947). In order to understand ectopic pregnancy one must understand the normal physiology of conception‚ how and why things can go wrong
Premium Pregnancy Menstrual cycle Pregnancy test
when performing an experiment. Keep behavior in the lab purposeful. Use caution when working with dyes. They may stain your clothes or body. Check glassware such as test tubes and beakers for cracks and chips prior to use. Use the right gear‚ such as insulated gloves and test tube tongs‚ when moving test tubes into and out of the boiling water bath. When handling test samples otherwise‚ use thinner protective gloves of latex or other suitable material. Report all accidents—no matter
Premium Water Polysaccharide 2008 albums
Chapter 40: Nursing Management: Nutritional Problems Test Bank MULTIPLE CHOICE 1. Which finding for a 19-year-old female who is a vegan may indicate the need for cobalamin supplementation? a. Paresthesias b. Ecchymoses c. Dry‚ scaly skin d. Gingival swelling ANS: A Cobalamin (vitamin B12) cannot be obtained from foods of plant origin‚ so the patient will be most at risk for signs of cobalamin deficiency‚ such as paresthesias‚ peripheral neuropathy‚ and anemia. The other symptoms listed are associated
Premium
Tracheostomy Tube A tracheostomy tube‚ or trach tube‚ allows a person to breath without using his or her nose or mouth. Some trach tubes have a cuff on the end that keeps air from reaching the mouth and nose. A cuffless tracheostomy tube does not have a cuff. Since there is no cuff‚ a person with this kind of trach tube can cough and speak normally. Two people are needed to change a cuffless trach tube. SUPPLIES NEEDED Clean gloves. A new trach tube and an emergency trach tube. One tube should
Premium Skin Surgery Hygiene
warmed up‚ use a clean small test tube from the drawer filled 2/3 with the first NaOH solution that is planned to use‚ as a blank set 0% and 100% transmittance. Take a %T reading every minute for at least 15 minutes so it may be convenient to wait until the room clock’s second hand approaches 12 before beginning the following procedure. Add one single drop of the crystal violet dye solution‚ invert to mix the contents of the test tube‚ and carefully place the tube into the instrument. When the drop
Premium Concentration Purple
FLEXIBLY DIVIDED DOUBLE LUMEN ENDOTRACHEAL TUBE Viren Sunil Kalsekar‚ Joy Lee‚ Jenny Qiu‚ Nicholas Ragosta‚ Javier Ramos‚ David Taylor Massachusetts Institute of Technology Cambridge‚ MA‚ USA ABSTRACT Endotracheal tubes (ETT)‚ are used to maintain patient airway access during surgical procedures. The design presented here addresses a current need of the gold standard ETT by allowing for the passage of a larger bronchoscope through the inner lumen of the ETT while keeping outer dimensions constant
Premium Endotracheal tube Welding
Introduction In this experiment‚ the gram negative bacterium Escherichia coli is being subjected to various environmental factors that affect the rate of growth. These factors scrutinized were the different types of nutrients‚ the intensity of aeration‚ or the temperature at which it was stored. The purpose of this lab is to determine which factor affects the Escherichia coli the greatest. It is known that these abiotic factors affect the rate of growth the greatest if they remain at the correct
Premium Bacterial growth Bacteria Escherichia coli