Brainarium

It is well documented that antibody affinities for an immunizing antigen continue to increase upon successive rounds of immunization (i.e. secondary, tertiary, etc). This is due to the fact that: - CORRECT ANSWER-memory B cells can re-enter germinal centers and undergo additional somatic hypermutation What is the cell type most characteristically associated with the gut associated lymphoid tissue (GALT)? - CORRECT ANSWER-microfold (M) cells Intestinal epithelium and lamina propria contain ...

What are the three signals required for T cell activation? - CORRECT ANSWER-1. TCR signaling 2. Costimulatory interaction 3. Cytokine signaling (ex. autocrine and paracrine IL-2) What cytokine is important for T cell activation? - CORRECT ANSWER-IL-2 Why are alpha beta T cells CD3+ and gamma delta T cells CD3-? - CORRECT ANSWER-CD3 is responsible for antigen-MHC T cell activation and gamma delta T cells do not require the MHC for T cell activation What is the Src family? - CORRECT ANSWER...

Integrin- dependent T cell adhesion to antigen presenting cells increases substantially following TCR stimulation. This increased integrin- dependent adhesion is mediated in part by: - CORRECT ANSWER-LFA-1 conversion to a high affinity binding state Like TCR signaling, B cel receptor (BCR) signaling is initiated by kinase phosphorylating tyrosine resides in ITAM motids of BCR signaling subunit - CORRECT ANSWER-True Lymphocyte activation leads to robust proliferation and effector cell dif...

Epithelial surfaces provide the first line of defense against infection by the use of several types of mechanisms. One of the chemical mechanisms used by epithelia is: Secretion of antimicrobial peptides by epithelial cells 3 multiple choice options Neutrophil defensins are _________. short peptides Which of the following statements is TRUE of lysozyme? Lysozyme splits peptidoglycan 3 multiple choice options T/F: The classical and lectin pathways of complement activation converge at the...

The early events of inflammation are characterized by all of the following except _____________: a. Vasodilation b. Extravasation c. Pain d. Apoptosis e. Chemotaxis - CORRECT ANSWER-d. Apoptosis All of the following are involved in the alternative pathway of complement activation except ________ a. C4 b. Factor B c. Factor D d. Properdin e. C5 - CORRECT ANSWER-a. C4 A(n) _____________ is an inactive form of an enzyme that frequently participate in a cascade of enzymatic reactions ...

cytokines ___________ are small soluble proteins produced by many immune cells and are a way of communication between cells cytokines TLR, NLR or RLR A PRR that lead to mostly activation TLR, NLR or RLR myeloid __________: gives rise to eosinophils, neutrophils and monocytes myeloid lymphoid __________: gives rise to T, B and NK cells lymphoid scavenger, lectin A PRR that lead mostly to phagocytosis scavenger, lectin IFN _________ are cytokines that interfere with viral replicat...

Which of the following situations is an example of horizontal violence? - CORRECT ANSWER-A nurse blames a peer for her error A nurse is reviewing information related to balancing autonomy with boundaries. Which of the following phrases should the nurse expect to find related to the concept of boundaries? - CORRECT ANSWER-Guided by state nurse practice acts Which of the following actions demonstrates the professional concept of assertiveness? - CORRECT ANSWER-Boldly sharing conflicting ide...

Which of the following is a characteristic of a mentor? - CORRECT ANSWERAssists protege in professional developmental Which of the following is a characteristic associated with Kramer's honeymoon phase of reality? - CORRECT ANSWER-Excitement A member is assisting a new graduate nurse develop strategies to transition successfully from student to professional nurse. The mentor should intervene if the new nurse incorporates which of the following strategies? - CORRECT ANSWER-Evaluates grow...

A nurse acting to accomplish goals in an efficient manner with other people is fulfilling which of the following roles? a. Change agent b. Manager c. Educator b. Manager Nurse managers plan, direct, monitor, and evaluate the nursing care provided to a variety of patient populations. But even a nurse with no formal title functions in the manager role whenever the nurse acts to accomplish something in an efficient manner with other people. Which of the following makes it acceptable to re...

Which of the following situations is an example of horizontal violence? -A nurse blames a peer for her error -A provider openly scorns a charge nurse -An assistive personnel is belittled by a nurse manager - CORRECT ANSWER-A nurse blames a peer for her error Horizontal violence occurs between persons at the same or equal level or rank. A nurse blaming a peer is horizontal violence. A nurse is reviewing information related to balancing autonomy with boundaries. Which of the following phra...

A nurse is caring for a client who is postoperative. Which of the following actions by the nurse demonstrates the professional characteristic of autonomy? - CORRECT ANSWER-Making a decision about when to administer PRN pan medication. A nurse manager is meeting with staff nurses to discuss evidence-based practice. The nurse manager should inform the staff nurses that evidence based practice does what? - CORRECT ANSWER-serves as a catalyst to improve the quality of care. a staff nurse vol...

what organization is responsible for authorizing the practice of nursing? A) State board of nursing B) NCLEX C) American Nurses Association - CORRECT ANSWER-state board of nursing -The board of nursing of each state is responsible for authorizing the practice of nursing in that state. Which of the following provisions in the ANA code of ethics for nurses with interpretive statements describes the duty of nurses to develop collaborative solutions to broad health issues? A) Provision 4 B...

What phase of reality shock is described by these characteristics: • excitement • sense of accomplishment honeymoon phase What phase of reality shock is described by these characteristics: • fear • where's my instructor • honeymoon is over shock phase What are some typical reactions of outcomes of new nurses being in the shock phase? • complacency • burnout • job hopping What phase of reality shock is described by these characteristics: • reduced anxiety • r...

A nurse is caring for a client who is postop. Which of the following actions by the nurse demonstrates the professional characteristic of autonomy? - CORRECT ANSWER-Making a decision on when to administer a patients PRN pain medication A nurse manager is meeting with staff nurses to discuss evidence based practice. The nurse manager should inform the staff that evidence based practice _ - CORRECT ANSWER-Serves as a catalyst to improve quality of care A staff nurse volunteers to be a prece...

a Nurse is conducting a teaching session on professional behavior in nursing. which of the following is an example of assertive behavior? 1. a nurse seeks opinion of her peers in the decision making process 2. a nurse feels her assignment is unfair but continues to work 3. a nurse who experiences a conflict with a coworker expresses her concern 1. a nurse seeks opinion of her peers in the decision making process a nurse manager is explaining the purpose of a mentoring system to unit nurses...

circadian rhythm - CORRECT ANSWER-the biological clock; regular bodily rhythms that occur on a 24-hour cycle Synchronizes with environmental cues such as light and temperature; however, the body will maintain circadian rhythms without prompts. Sleep-wake homeostasis - CORRECT ANSWER-assists the body to remember to sleep after a given time Hypothalamus - CORRECT ANSWER-commands nerve cells, affecting sleep and arousal Suprachiasmatic Nucleus - CORRECT ANSWER-controls behavioral rhythm dir...

General comments on the laws - CORRECT ANSWER--Laws can be learned -Laws can stand alone -Laws carry consequences -Laws are the foundation of leadership #1 Law of the Lid - CORRECT ANSWER-Leadership ability is the lid that determines a persons level of effectiveness -to lower ability to lead, lower lid on potential -high leadership lid, greater effectiveness -everyone is born w/ lids, titles/positions do not eliminate them -examples of lids: fear/ impatience/ denial/ deceit/ impulsivene...

The Law of Solid Ground - CORRECT ANSWER-"Leadership is a potent combination of strategy and character. But if you must be without one, be without strategy." The Fraud Triangle: · What puts you at ethical risk? - CORRECT ANSWER-Perceived opportunity, rationalization, and perceived pressure The Alligator River: who in the story was the least ethical? - CORRECT ANSWERPeople usually pick Abigail. But Ivan had the opportunity to do something, and chose to not get involved. Thoughts on p...

Why Communication is Essential for Great Leaders - CORRECT ANSWER-Gary Burnison Communication - it's not what you say, but how you say it. Why Communication is a Critical Skill Not a Soft Skill - CORRECT ANSWER-Marlene Chism How you communicate brands you - good or bad. The Six Short Phrases You'll Hear Good Leaders Say...A Lot! - CORRECT ANSWERPaulina Milana 1. Don't sweat it. 2. What was learned? 3. Speak your mind. 4. I support you. 5. Just say no. 6. I don't know. Th...

A medical center has a centralized administrative team overseeing multiple specialty clinics, each with its own on-site clinic manager. A hospital operates independently without any administrative oversight. A decentralized organization where each clinic operates under different management rules. A single specialty clinic manages all administrative tasks without any team structure. Don't know? 14 of 561/15/25, 11:59 PM WGU D545 Pre-assessment: Healthcare Administration Evo