Endothelium - Study guides, Class notes & Summaries

Exam 2: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain Q: why is the tunica media thicker in arteries than veins? Answer: they supply more pressure to blood Q: what are the only blood vessels that contain valves? Answer: veins and venules Q: what do valves do? Answer: prevent back flow of blood Q: what is an artery Answer: blood vessels that transports...

Chest Pain AKA Angina Patho Correct Answers Patho: Chest pain associated with decreased blood flow or ischemia to the myocardial tissue. Chest pain PA Correct Answers Physical Assessment: chest heaviness Pressure Squeezing Fullness Pain radiates to left shoulder, arm, or jaw. Elevation of blood pressure during attack Chest pain Pharm Correct Answers Pharm: Nitroglycerin- relaxes and widens blood vessels Dosing: 0.3-0.6mg every 5 minutes for max of 3 doses Long-term treatmen...

Rio BIO 202: EXAM 2 REAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS Blood vessels are dynamic structures that... - ANSWER Pulsate. Constrict. Relax. Proliferate. Blood vessels - ANSWER of the body form a closed delivery system that begins and ends at the heart. The inner most tunic of the blood vessel - ANSWER tunica intima. contains endothelium. The middle tunic of the blood vessel - ANSWER tunica media. Smooth muscle and sheets of elastin. Bulkiest layer. Regulation of vaso...

a wide, bizarre QRS usually occurring earlier than expected with T wave in opposite direction? tx?Answer - PVC (premature ventricular contraction); no tx (may just be dehydrated) -subacute/s. viridans endocarditis treatmentAnswer - PCN OR ampicillin + gentamycin infection of the endothelium/valves 2ndry to colonization (during transient/persistent bacteremia)Answer - Endocarditis MC valve involved in infective endocarditis in non IVDAAnswer - mitral valve M>A>T>P MC val...

"ABCDE's" of Mole Assessment - A = Asymmetry (one side of mole is NOT the same as the other side) B = Border of mole is irregular. C = Color is variable (e.g., brown/ black/ tan colors in the same mole) or dark color. D = Diameter > 6mm (about the same diameter as an eraser on a #2 pencil) E = Elevation - raised from the surrounding skin, and/or... E = Evolution (changes) in the appearance of nevi over time 6 F's Risk Factors Cholecystitis - Fat Fare Fertile Fourties Female ...

Oligodendrocytes - Form myelin sheath in CNS Microglia - Act as phagocytes to remove pathogens, impurities, and dead neurons Ependymal - A type of CNS supporting cell; lines the central cavities of the brain and spinal cord; synthesize CSF and promote its movement cervical nodes - located in the neck in deep and superficial groups, drain parts of head and neck axillary nodes - located in armpits what are the parts of the lymphatic system? - tonsils, thymus, spleen, peyer patch, small intes...

Locations of H4 Receptors correct answer: H1 - Smooth Muscle Cells, Endothelium, and the brain H2 - Gastric Mucosa, Cardiac Muscle, Mast Cells, and the Brain H3 - The Brain h4 - Predominantly in Eosinophils, Neutrophils and T Cells 2nd Gen Antihistamine that cannot be removed by Hemodialiysis correct answer: Cetirizine Diagnosis of enterobiasis correct answer: Perianal Swab using adhesive tape that is examined microscopically for eggs Treatment modalities of Tuberculosis correct a...

Acute Coronary Syndrome (ACS): any group of clinical symptoms resulting from acute myocardial ischemia. CORRECT ANSWER begins with the rupture of atherosclerotic plaque, creating an injured area on the endothelium. platelet activation of the coagulation cascade and the formation of a thrombus over the injured area ensues CORRECT ANSWER restricted blood flow, cardiac ischemia and chest pain, the most common symptom of ACS. ACS is divided into three categories: CORRECT ANSWER unstable angina...

Tissue resident sentinel cells include (3 types) Dendritic cells, macrophages, and mast cells Circulating leukocytes involved in innate response (2 types) Monocytes and neutrophils Phagocytic immune cells (2 types) Macrophages and neutrophils Difference between macrophages and neutrophils? Neutrophils are short lived and will undergo apoptosis after eating a microbe; macrophages are longer-lived and will eat apoptotic cells and waste General cytokine role in innat...

What are the disadvantages of Soft Lenses? - ANSWER-Doesn't correct irregular astigmatism, favors deposit formation Which test measures the quantity of tears? - ANSWER-The Schirmer test. What are good results for the Schirmer test? - ANSWER-15 mm in 5 minutes. What are dry eye results for the Schirmer test? - ANSWER-5-10 mm in 5 minutes. Neovascularization is mainly due to what? - ANSWER-Hypoxia, corneal edema, tight contact lens fit The Radii and Power of an average cornea - ANS...