Cytokine signaling - Samenvattingen, Aantekeningen en Examens

IHS 340 Practice Exam 100% REVISION 2023//2024 Dendritic cells present extracellular-acquired antigen to which type of cell? A) epithelial cells B) mast cell C) B cell D) T cell E) macrophage - ANSWER D) t cell Which of the following is NOT a characteristic of a cytokine? (A) it is a protein produced by infectious agents, such as bacteria (B) it binds to a specific receptor on host cells (C) it is an intercellular signaling molecule (D) it can act locally or systemically (E) it ...

1. Oncogenes: cancer causing genes, promote uncontrolled growth of cells 2. Proto-oncogenes: promote normal cell growth factor and division 3. If proto-oncogenes are mutated the become -: Oncogenes 4. Tumor Supressor Genes (TSGs) are: Antioncogenes 5. antioncogenes: inhibit tumor progression & prevent mutations 6. Cancer develops with increase in - and decrease in -: oncogenes, tumorsuppressor genes 7. What are the 2 main types ofTumor Suppressor Genes?: Gatekeepers &Caretakers 8. tumor s...

Case Study Scenario A 35-year-old woman presents to the primary care office with a history of nasal congestion that has worsened over time and recurrent sinus infections. She considered herself healthy until about 12 months ago when she began experiencing rhinorrhea, sneezing, and nasal stuffiness that "seems to never go away". She noticed that her rhinorrhea greatly improved when she attended her family reunion on a two-week Caribbean cruise but returned after being home a few days. She l...

NST 160 Midterm 2 Exam Questions and Answers Inflammation causing insulin resistance pathway - ANSWER High fat diets and obesity cause adipose to release TNF-alpha and TNF-alpha binds to receptor which inactivates IRS by phosphorylating. TNF-alpha also activates JNK and IKK-B which both inhibit IRS and activate NF-KB which is a transcription factor that down regulates insulin signaling components. Also, cytokines and lipids activate serine kinases that phosphorylate IRS-1 and IRS-2...

Molecular Biology of the Cell Chapter 014 Test Quiz Bank With Verified Questions & Answers 2023/2024 Lecture 13: Signal Transduction and G Protein-Coupled Receptors correct answers You need to be aware of 7 types of signaling at cell surface mechanisms It is likely that you need to know the name the signal heading to the cell, the receptor it binds to and what happens after. Some of these are large classes so there may be different effects 1. G protein-coupled receptors 2. Cytokine rec...

Immunity Possessing the natural defenses to resist infection and other biological assaults on the body Innate Defenses Generally non-specific; Automatic defenses Adaptive Immunity Acquired from exposure / vaccination. Immunity with memory. Specificity is the key feature. Humoral and Cellular immunity. Skin Layers Dermis: contains tightly woven connective tissues. Epidermis: has many layers of epithelial cells. Outermost cells: water repellent due to keratin. ...

What two types of hearing loss are associated with noise? A) acoustic trauma and noise induced B) high frequency and low frequency C) high frequency and acoustic trama D) noise induced and low frequency Ans: A- acoustic trauma and noise induced A hypersensitivity reaction that produces an allergic response is called: A) hemolytic shosh B) anaphylaxis C) necrotizing vasculitis D) systemic erythematosus Ans: B- anaphylaxis Which cytokine is produced and released from vi...

ABSITE Exam Questions And Answers Latest Updated Graded 100%. What is a known affect of TNF? Correct Answer: Expression of eicosanoids (like thromboxane) What is an adhesion molecule? Correct Answer: Mediate leukocyte to endothelial adhesion What is an example of an adhesion molecule? Correct Answer: L-selectin Physiologic affect of NO Correct Answer: Increase smooth muscle relaxation Prostacyclin on systemic inflammation Correct Answer: Inhibits platelet aggregation Calories per day for b...

Immunology HMX Test Questions and Answers All Correct dactylitis - Answer Inflammation of an entire digit (a finger or a toe), also referred to as 'sausage digit'. Enthesitis - Answer Inflammation of the site where a tendon or ligament inserts into a bone. Intertriginous - Answer Referring to areas where skin rubs together, such as under the armpits and in the groin. Lymphocytes - Answer Small leukocytes that are central players in the adaptive immun...

A4M Practice Test 37 Questions with Verified Answers 1. Identify the true statement(s) concerning the role of mitochondria in longevity, aging, and disease. a. Decreased mitochondrial function results in increased oxidative damage, caused by free radical formation combined with a decrease in antioxidant enzyme system activity. b. Maternal transmission of mitochondrial genomes is a factor in differences in longevity between male and female organisms (Drosophila model) c. Alteration of the e...