Biol 242 - Study guides, Class notes & Summaries

USU HUMAN PHYSIOLOGY FINAL (BIOL 2420) COMPLETE EXAM PRACTICE QUESTIONS AND ANSWERS PrepWise: Your Ultimate Online Exam Store! Ace your exams with PrepWise! Find top-notch study materials, practice tests, and expert guidance all in one place. Why Choose PrepWise? Comprehensive Study Guides Accurate Practice Exams Tailored Learning Plans Proven Success Rates Join thousands of successful students and get PREPared the WISE way! Visit us at PREPWISE STUVIA #PrepWise #E...

What structures in the middle ear are responsible for sound amplification? the tympanic membrane that vibrates through 3 ear bones that end at oval window. tympanic membrane is bigger compared to oval window What is the function of and clinical complication associated with the Eustachian tube? links the middle ear to the back of the nose Drains into the mouth to equilibrate pressure Route of bacterial entry for most ear infections What inner ear structure converts sounds waves into APs? coch...

What is the single most important way to reduce the spread of unwanted microbes? handwashing Where and how should used media (culture tubes and plates) be disposed of? directly into bio hazard bin Where and how should a slide prepared by you (ex: Gram stain) be disposed of? Wrapped in a paper towel and disposed into the biohazard bin Where should gloves worn by you (after lab, not cleaning up a spill) be disposed of? in the regular trash can Where should a broken stock slide (ex: 3 forms sli...

BIOL 2420 EXAM #1 Questions And Answers Microbes - ANS minute living things that are too small to be seen with the unaided eye; include bacteria, fungi, protozoa, microscopic algae, and viruses Benefits of Microorganisms - ANS basis of food chains in marine & freshwater environments; decomposers; important role in photosynthesis; digestion in human intestine; synthesis of Vitamin B and Vitamin K; synthesize food & alcohol Pathogenic - ANS disease producing Bacteria - ANS...

e. smog production Microorganisms are involved in each of the following processes EXCEPT: a. infection b. decomposition of organic material c. oxygen production d. food production e. smog production e. using a sterile liquid and eliminating exposure to microorganisms If you were setting up an experiment to disprove spontaneous in a liquid medium, which of the following would be essential to the experiment? a. placing decaying meat in the liquid b. starting with a liquid that contains microorgan...

BIOL 2420 Exam 3 – SLCC Questions and Answers

Coccus (cocci) Round, berry shaped, can be oval, pointed, or kidney-shaped Bacillus (bacilli) Rod-shaped, can be pointed or filamentous Spirilla Spirilla, spirochetes, or vibrios Pleomorphic Vary in shape and size and do not have a cell wall. Difficult to treat because without a cell wall, a gram stain can't be done, so difficult to predict what antibiotic to use for treatment. Diplococci Cocci that remain attached Streptococci Long chains of cocci Tetrads Cocci that divides in 2 planes a...

Leuwenhoek Microscopes, animalcules 2 fundamental cell types Prokaryotic Eukaryotic Prokaryotic cells BACTERIA & ARCHAEA smaller size gives high surface to low volume, facilitates rapid uptake of nutrients cons: vulnerability to predators, parasites, and competitors Eukaryotic Larger, more complex, many cellular processes take place in membrane bound components precense of nucleus bacteria and archea lack nucleus found in sufficient moisture, some in extreme environments asexual peptidoglyca...

Define ubiquity of microorganisms. Basically that microorganisms can be found/grown anywhere in almost every type of environment GloGerm activity purpose to train you to wash your hands more thoroughly/effectively; shows that hand washing with soap is not enough to remove all microbes How do you focus a microscope? 4x (scanning) - coarse knob - red ring 10x (low) - fine knob - blue ring 40x (high) - fine knob - yellow ring 100x (immersion oil) - fine knob - black/white rings When do you use i...

What is physiology? Study of function What was Aristotle's contribution to physiology? He believed that large structures were made of smaller things, and coined the term physiologi to describe natural causes for diseases What did Hooke do? He made a 30x microscope, He was the first to see and name cells What is the body's structural hierarchy? Can you list the organization from smallest to largest units? Atoms, molecules, organelles, cells(first living!), tissues, organs, organ systems, org...