Dark field Study guides, Class notes & Summaries

Bright Field Microscope CORRECT ANSWER Most widely used Dark object, bright background Examine stained and unstained specimens Made by putting light through specimen Dark field microscope CORRECT ANSWER Image is lighter than illuminated background Uses a condenser on the light microscope Phase contrast microscope CORRECT ANSWER Used with live specimen Produces image with specimen against gray background Can see internal cells Scanning electron microscope CORRECT ANSWER Detailed 3D...

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

ATI Urinary Elimination - practice assessment answered/rationales A client who has an elevated BUN is most likely to have a manifestation of A client who reports painful urination of a A client who reports urinary frequency A client who has glucose in his urine A nurse removes an indwelling urinary catheter that an older adult client has had in place for 2 days. The nurse should assess the client for which of the following expected outcomes after catheter removal? Temporary ur...

Reaching conclusions in psychological science requires - Answer the ability to test a theory ____ believed that the mind and body are made of different things, with the mind being made of immaterial or spiritual substance - Answer Descartes Today, most psychologists would agree with which statement concerning - Answer mental processes arise from brain functioning All scientific disciplines require: - Answer replicable observation Hector doesn't believe that mental processes can be s...

Western Governors University CARE OF THE ELDERLY C475 Care of The Older Adult TEST BANK A negative attitude towards aging and the aged is called: A. geriatrics B. racism C. ageism D. ethnocentrism Answer: Which of the following is not considered a core competency for nurses caring for older adults? A. Analyze the impact of an aging society on the health care system B. Obtain certification in gerontological nursing C. Prevent or reduce common risk factors that contribute to functional decline D. ...

AAB MT General Knowledge General Operations(questions and answers)2023 What are four types of centrifuges commonly used in the clinical lab? - CORRECT ANSWER-Tabletop, Micro, High-Speed, and Ultra. What does the daily maintenance of a centrifuge commonly consist of? - CORRECT ANSWER-Cleaned with 10% bleach What does the periodic maintenance of a centrifuge commonly consist of? - CORRECT ANSWER-Speed check by tachometer What is the function of a centrifuge in the clinical lab? - CORRE...

HESI A2 HESI A2 TEST BANK QUESTIONS & ANSWERS (100% APPROVED) BEST VERSION 2023 CONGRATULATIONS! By deciding to take the Health Education Systems (HESI A2) Exam, you have taken the first step toward a great future! Of course, there is no point in taking this important examination unless you intend to do your very best in order to earn the highest grade you possibly can. That means getting yourself organized and discovering the best approaches, methods and strategies to master the ...

The charge nurse is supervising patient care in thesurgical suite. Which action, if performed by a nurse, would require thecharge nurse to intervene? a. The nurse wears a mask in thesemirestricted area. b. The nurse wears a hair cover in thesemirestricted area. c. The nurse wears street clothes in thesemirestricted area. d. The nurse wears surgical scrubs in thesemirestricted area. ANS: C Wearing street clothes in thesemirestricted area is not permitted. thesurgical suite is divided into...

Concussions - Answer-Happen most often in sports as a result of a collision between athletes. Which of the answers below is a common symptom of concussion: - Answer-Headache Most athletes with a concussion no longer have symptoms from the injury: - Answer-Within a couple of weeks Following a concussion: - Answer-An athlete may feel frustrated, sad, angry, or lonely. Subconcussive head impacts: - Answer-Can be reduced by limiting collisions on the sports field. Consider the following scenar...

The instrument that produces a bright image of the specimen against a dark background is called a (n) ___________ microscope A. phase-contrast B. electron C. bright-field D. dark-field - ANSWER Dark-field After the decolorizer has been added in the Gram stain, gram-positive organisms are stained _________ and gram-negative organisms are stained ________ A. purple; purple B. purple; colorless C. purple; pink D. pink; pink - ANSWER Purple; Colorless