Amazinggrace

Which type of immunity is specific? - Acquired Which type of immunity is immediate? - Humoral Which type of immunity depends on neutrophils and macrophages? - Humoral Name the primary lymphoid organs? - Bone marrow, thymus From which cells or site do all blood cells arise? - Stem cells in the bone marrow. Where to T lymphocytes mature? - Stem cells in the bone marrow. Where to T lymphocytes mature? - Thymus. Where to B lymphocytes mature? - Lymph nodes

______ greatly activates the classical pathway of complement activation - IgM _______ is expressed by T cells whose function is to activate other cells. - CD4 ___________ is expressed by cytotoxic T cells - CD8 ____________ molecules present peptides from pathogens, commonly viruses, to CD8 T cells, which are specialized to kill any cell that they specifically recognize. - MHC class I _____________ increases the expression of both MHC Class I and MHC Class II molecules, and can induce the ...

T-cell receptors, when coexpressed with CDS mole cules, are restricted to recognizing and binding peptide fragments associated with A. CD3 molecules. B. CD4 molecules. C. MHC class I molecules. D. MHC class II molecules. E. MHC class Ill molecules. - The correct answer is C. cos+ T cells are re stricted to the recognition of pMHC I complexes. C03 molecules are associated with the TCR on the T-cell surface and are found on both mature C04+ and cos+ T cells. C04+ T cells are restricted to ...

Which cells are tissue resident sentinel cells - mast cell, macrophage, dendritic cell Which 2 cells are circulating blood cells that will enter tissue in response to inflammation? - Neutrophils, Monocytes Mast cell - Cells that release chemicals (such as histamine) that promote inflammation. Neutrophil - Most abundant leukocyte, increase due to bacterial infection, burns, and stress. Phagocyte that rapidly dies after ingesting microbe. Macrophages - Phagocyte that cleans up apoptotic cell...

______________________ is the transfer of tissue/organ from one individual to another - Transplantation _________________________ is the transfer of blood cells/blood products from one individual to another - Transfusion _________________ transplant is the most common transplantation - kidney _____________________ transfusion is the most common transfusion - red blood cell Individuals who are not identical twins differ in many genes that they do not inherit. This means individuals will ha...

One of the most important advances in surgery arrived near the end of the nineteenth century. The British surgeon Joseph Lister hypothesized that using techniques to sterilize surgical tools and clean the skin at the site of the incision would reduce surgical site infections. Years later, Dr. Lister wrote this: "Nothing was formerly more striking in surgical experience than the difference in the behavior of injuries according to whether the skin was implicated or not. Thus, if the bones of ...

Many patients self-medicate with antacids. Which patients should be counseled not to take calcium carbonate antacids without discussing it with their provider or a pharmacist first? 1. Patients with kidney stones 2. Pregnant patients 3. Patients with heartburn 4. Postmenopausal women - 1. Patients with kidney stones Patients taking antacids should be educated regarding these drugs, including letting them know that: 1. They may cause constipation or diarrhea 2. Many are high in sodium 3....

Which of the following pregnant women has most likely encountered the greatest increase in the risk that her child will have a fetal anomaly? A. A woman with diagnoses of syphilis and cirrhosis of the liver B. A woman who has herpes simplex and recently recovered from endocarditis C.A woman with diagnoses of insulin-dependent diabetes mellitus and peripheral neuropathy D. A woman with chronic obstructive pulmonary syndrome and tuberculosis - B. A woman who has herpes simplex and recently r...

What is a function of station and work uniforms? a. Provide respiratory protection b. Protect wearer from hazardous materials c. Provide protection against advanced fire behavior d. Identify wearer as a member of the fire department - d. Identify wearer as a member of the fire department In order to avoid contact burns and heat stress after leaving a heated environment, firefighters should: a. thoroughly inspect PPE to check for damage b. place contaminated PPE in the cab of the apparatu...

Most common fire department organizational structure - scalar (uninterrupted series of steps, going from chief to blue shirt) Formal line of authority responsibility and communication within an organization - chain of command each employee reports directly to just one supervisor moving up the chain of command, all personnel ultimately report to the fire chief - unity of command maximum number of subordinates or functions that any one supervisor can control - span of control ideal span of ...

What organization formed in 1896 develops codes and standards to ensure fire and life safety for the public? - D. NFPA What is the mission of the fire service? - C. To save lives and protect property The all-hazards approach means the fire service: - D. provides a variety of services in the community A department type is determined by how: - B. an organization is funded Which of the following types of staffing performs required functions for minimal or no pay? - C. Volunteer What part of ...

A(An) _____ concept allows all responders to use a similar, coordinated approach with a common set of authorities, protections, and resources. - all hazard Which duty is a Fire Fighter I expected to perform? - Forcing entry into a structure Which statement describes the difference in the roles of a Fire Fighter I and a Fire Fighter II? - A Fire Fighter I works under the direct supervision of a Fire Fighter II or company officer. Which type of specialized fire company generally has the prima...

What organization formed in 1896 develops codes and standards to ensure fire and life safety for the public? - D. NFPA What type of company is responsible for forcible entry? - A. Truck company Which of the following is a minimum requirement for protective clothing and equipment as established by NFPA 1500? - C. Protective equipment must meet current NFPA design standard. According to NFPA 1500 emergency operations are limited to - B. those that can be safely conducted by personnel on scen...

Earplugs A-Aid equalization of the middle of the ear B- Protect against cold C-Should never be worn while diving D-Protect ears from squeeze - C The first symptom of a sinus squeeze is usually: A- a dull pain deep within the head B- a sharp pain at the base of the neck C- a crushing pain high in the chest D- a sharp pain above the eyes - D One atmosphere of pressure is defined as: A-Each 34 ft of depth in freshwater B-Each 33 ft of depth in seawater C-1 ata D- all answers are corre...

Gauge pressure is defined as: - Absolute pressure minus 1 ata Underwater, the bending of light causes objects to: - Appear closer Absolute pressure is defined as: - Total pressure exerted on an object Describing SCUBA came from what event? - Development of the demand regulator in 1943 If you experience pain in your ears during decent? - Stop the decent and ascend until the pain stops The condition in which certain colors are diminished at depth? - Absorption Ear squeeze can be prevented by...

The purpose of equalization is to - Introduce additional air into body air spaces in response to increasing external pressure Body heat is lost ________ than in air - 25 to 30 times faster The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water - 4 ata One atmosphere of pressure is defined as - - Each 34 feet of depth in freshwater - 1 ata - Each 33 feet of depth in sea water Describing diving with the acronym SCUBA came from what event? - The development...

The term Surface Interval is defined as: - The amount of time a diver stays out of the water or on the surface between dives. The most serious lung over expansion injury is: - Arterial Gas Embolism Diving at altitude or flying after diving: - Requires special diving computer functions, altitude tables and/or refraining from flying for at least 24 hours after the completion of a dive If a diver is injured by harmful sea life, it is usually because of: A. The diver's negligence B. All answ...

Which of the statements concerning sound transmission underwater is incorrect? -Sound will travel farther underwater then in air -Divers find it difficult to locate the direction of a sound producing source -Divers find it easy to talk to each other directly through water -Sound travels four times faster underwater than in air - -Divers find it easy to talk to each other directly through water The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -2 ...

The possibility of carburetor icing exist even when the ambient air temperature is as - high as 70 degrees Fahrenheit and the relative humidity is high What requirements must be met before you enter the airspace represented in D? - Two-way radio communications What action, if any, is required when you are departing a satellite airport that does not have an operating control tower that is within class C airspace? - Contact ATC as soon as possible If the wind is as shown by the landing direc...

What are the requirements to become a private pilot? - You must be at least 17 years of age, complete specific training and flight time requirements described in the FARs, pass a knowledge exam, and complete a practical test. What are the requirements to obtain a third-class medical certificate? - Pass a physical exam administered by an FAA-authorized aviation medical examiner. What are the privileges associated with having a private pilot certificate? - Being able to carry passengers and ...