Iris diaphragm - Study guides, Class notes & Summaries

Lab 3: Microscopy- Observation of Cells Learning Objectives:  Use the compound light microscope for observation of cells.  Identify different types of bacteria based on their shapes.  Identify a variety of eukaryotic cells. VIDEOS: a) How to Use a Compound Microscope (Elon TLT) b) Parts of the Compound Microscope (Tami Guy) Introduction: Microbiology is the study of organisms, which cannot be seen with naked eye. You will need help of a microscope to observe these “tiny anim...

Biol 150 (Final Lab Exam) Correct 100%(Graded A+) Objective Lens - ANSWER Magnifies image on the slide Coarse/fine adjustment knobs - ANSWER Focus on the slide Ocular Lens - ANSWER Further magnifies the image on the slide Iris Diaphragm - ANSWER Regulates light passing through the condenser Condenser - ANSWER Focuses light on the slide Mitosis - ANSWER Cell division involving distribution of duplicate sets of chromosomes from parent to two daughter cells Cytokinesis - ANSWER D...

True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. 2. At a generalized level, all cells are comprised of what? Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must answer with all four t...

HSCI 390 Exam 1 with Questions and Answers the transparent layered tissue of eye that acts as a barrier to environmental factors while allowing light to pass through ANSWER cornea a muscle control diaphragm that controls the amount of light that enters the eye ANSWER iris/pupil part of eye that changes size to control the focal plane of the light entering the eye ANSWER lens muscle and ligaments that control lens' shape and size ANSWER ciliary body/zonule part of eye that contr...

Why is desiccating your inoculating loop important? When should this be done? - ️️To ensure it is sterilized, done so no cross contamination happens Bacteria in the Mycobacterium genus have the presence of what component in the cell wall that causes them to be acid-fast? - ️️Peptidoglycan Where should used gloves be disposed of in the microbiology lab - ️️In the biohazard waste container Before putting a dust cover over the microscope and placing it in the cabinet, which object...

Which of the following actions should be taken first when a new co-worker consistently fails to replenish analyzer reagents at the end of their shift? - Answer-Discuss the concern with the coworker directly What is the term for the moral obligation a health care professional has to keep patient health information private? - Answer-Not privacy lmao Pale cytoplasmic staining w/ H&E or lacks three distinct shades of pink - Answer-Acidify eosin w/ acetic ā or check pH While attempting Kohler ...

Shaken Baby Syndrome can cause which of the following conditions? (A) Hypoglycemia (B) Abdominal bruising (C) Subdural hematoma (D) Lower extremity fracture - correct answer (C) Subdural hematoma Which law protects an EMT if the EMT acts in good faith, is not negligent, acts within the scope of practice, and does not accept payment for service? (A) implied consent laws. (B) Good Samaritan laws. (C) malfeasance laws. (D) absolute immu...

BIO 280 Microbiology Lab Questions And Answers Rated A+. Which of the following is an acceptable item of footwear for the microbiology laboratory? - correct answer. None of the above are acceptable footwear - Sandals - 'Crocs' style shoes without socks - Shoes in which the toe tips are enclosed, although "toe cleavage" is seen - Shoes with enclosed toes that have decorative holes or slits exposing toes. Failure to wear closed-toe shoes to lab will result in: - ...

In terms of solution concentration, which of the following terms would be applied to the representation below? m = moles/kg of solvent - correct answer molality The parts of a binocular bright-field microscope would include all of the following: - correct answer Body tube, Light Base, Eyepiece Diopter adjustment, Interpupillary distance adjustment, Revolving nosepiece, Objectives, Stage with side clips, Condenser and iris diaphragm, Light, Arm, Coarse adjustment knob,, Fine adjustment ...

In terms of solution concentration, which of the following terms would be applied to the representation below? m = moles/kg of solvent - correct answer molality The parts of a binocular bright-field microscope would include all of the following: - correct answer Body tube, Light Base, Eyepiece Diopter adjustment, Interpupillary distance adjustment, Revolving nosepiece, Objectives, Stage with side clips, Condenser and iris diaphragm, Light, Arm, Coarse adjustment knob,, Fine adjustment ...