Exchange surfaces in insects Study guides, Revision notes & Summaries

AAOS Chapter 2 EMT Eleventh Edition - Workforce Safety and WellnessVector-borne transmission of an infectious organism occurs via: - correct answer animals or insects. Which of the following statements regarding the different stages of the grieving process is correct? - correct answer The stages of the grieving process may occur simultaneously. Common factors that influence how a patient reacts to the stress of an illness or injury include all of the following, EXCEPT: - correct answer ass...

AQA BIOLOGY ESSAY TITLES VERSION 2 Biology essay titles Version 2 This document contains the essay titles and mark schemes used in AQA A-level Biology examinations since 2007. The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchanged. Further guidance on the marking method used with the essay can be found in Paper 3 Essay marking guidance. Year Questio nTitle 7402/3 2017 7.1 The impo...

American Heart Association protocols are based on evidence-based research As an EMT, you may be authorized to administer aspirin to a patient with chest pain based on: medical director approva National guidelines for EMS care are intended to provide more consistent delivery of EMS care across the United States Online medical control requires phone or radio contact with the medical director Prehospital patient care decisions should be based on EMS research The ability to handle multiple...

EMT-B Final Study Guide (Quizzes & E-books) 100% Correct & Verified 2024 Which of the following courses requires about 150 hours of training? -Answer-EMT What should an EMT do to limit errors in the field? -Answer-Follow the agency's written protocols What is an EMT's primary service area? -Answer-The area serviced by the EMT's medical director The ability to take appropriate action with little direction is known as __________. - Answer-self-motivation Online medical control requires...

AQA A-Level Biology - Topic 3 All Answers Correct Smaller organisms have a ........... surface area to volume ratio How do single called organisms exchange substances? Higher Diffuse directly into or out of the cell across the cell surface membrane Give 2 reasons why in multicellular organisms, diffusion across outer membrane would be too slow? 1. Some cells deep within body- big distance between them and outside 2. Larger animals have low surface area to volume ratio- difficul...

AQA Biology A-Level: Exchange Rated A+ what affects the amount of material that is exchanged in an organism? higher metabolic rate= more materials exchanged size and metabolic rate- name 4 things that need to be exchanged between an organism and their environment. respiratory gases - nutrients - excretory products - heat how do you calculate the surface area to volume ratio? how does gas exchange occur in a single-celled organism? - they are small organisms so have a l...

Capsule (slime) - ANSWER Protects the bacteria from attack by cells of the immune system. Flagellum - ANSWER Rotates to make the cell move. Viruses - ANSWER Acellular. Invade and reproduce inside the cells of other organisms. What is magnification? - ANSWER How much bigger the image is that the specimen. What is resolution? - ANSWER The ability of the microscope to distinguish between two points that are close together. Light/optical microscopes - ANSWER Uses light. Max resolut...

REHS_Big_Practice_Exams 1,2&3 Q&A Updated Spring 23/24. REHS REVIEW BIG PRACTICE EXAM 1: 1. The most important factors in the xmsn of waterborne disease is: A) indirect contact and virulence B) dosage and virulence C) direct contact and dosage D) fomite and pathogen 2. In many jurisdictions, what needs to be issued before a newly constructed building, structure, or business can be opened, used, or occupied? a. Eminent domain b. Deed to the property c. Certificate of use or occupanc...

NURS 497 Midterm 1 Exam - Complete Solutions (Answered) What kind of pathogen is HIV? Blood borne pathogen How is HIV transmitted? Blood or blood products IV medication abuse Both heterosexual and homosexual activity Maternal-child transmission before or during childbirth What cells does HIV infect and destroy? CD4-positive T-helper cells What are CD4+ helper T cells necessary for? Development of both plasma cells and T-cytotoxic cells What kind of virus is HIV? A retrovirus with the ability t...

Microbiology EXAM 1 chapters 1-7 Questions & Answers Already Passed!! • What organisms are considered microorganisms and are the subjects of study in microbiology? Microorganisms are Prokaryotes(bacteria & archaea) and eukaryotes(protozoa, algae, some fungi and helminths). Microbiology also includes studying viruses . Which two are encompassed by the term prokaryotes? bacteria and archaea What are some examples of "small" things that are not covered by microbiology? Are all prokaryote...