Bio 169 Study guides, Class notes & Summaries

Bio 169 Final Exam Questions And Answers Graded A+ How long is the typical lifespan of red blood cells? Approximately 120 days. Hemoglobin consists of which components? Protein chains known as globin and iron. What are the two substances produced from the breakdown of red blood cells? Bilirubin and biliverdin. What roles does hemoglobin play in the body? It carries oxygen and carbon dioxide and helps regulate pH levels. What is true about erythropoietin? It is secreted by ...

• Macrophages - Antigen-presenting cells (APCs) Abdominal lymph nodes - - Occur in posterior abdominopelvic wall - Monitor lymph from the urinary and reproductive systems Albumin (plasma protein 1/3) - -formed by liver -contributes to viscosity and osmolarity -influences blood pressure , flow, and fluid balance Anaphylactic shock - Severe immune reaction to antigen, histamine release, generalized vasodilation, increased capillary permeability Anterior and Posterior Interventricular sul...

Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and Answers Bio 169: Blood and Cardio Questions and...

______ and _______ insures air contacts mucus membranes - narrowness and turbulance > 2 L/day urination means you suffer from - polyuria 1 lobe of the kidney - pyramid and overlying cortex 3 layers of ureter - adventitia (connective tissue) muscularis (2 layers of smooth muscle with 3rd layer in lower portion) mucosa-transitional epithelium 3 primary functions of nephron loops (loops of Henle) - -conserve water -generate salinity gradient -reabsorb electrolytes 4 factors affecting O2...

Bio 169 Questions and Answers Already Passed How are papillary muscles situated in the heart? Papillary muscles extend from the inner lining of both ventricles and attach to the valve cusps on both the right and left sides. What role does the right bundle branch play in the heart’s conduction system? The right bundle branch is a split in the heart’s conduction network at the interventricular septum that carries signals from the AV bundle to the right ventricle. What defines a...

BIO 169 Exam 1 Questions and Answers Already Passed What is an essential aspect of factors that resist blood flow? All of the Above What term describes a network that permits an organ to be supplied by several arteries or to drain through multiple veins? Vascular anastomoses How should arteries be accurately described in terms of their role? They are the vessels that deliver blood away from the heart What effect does a drop in hematocrit have on the viscosity of blood and cons...

BIO 169 Final Exam Questions and Answers Already Passed What functions does the endocrine system perform? It oversees vital processes including reproduction, metabolic regulation, development, fluid and electrolyte balance, and stress management. What are paracrine signals, and what are their characteristics? These are local hormones that affect nearby cells by diffusing through the surrounding fluid. They are highly effective, secreted in minimal quantities as needed, and are rapid...

BIO 169 Exam 1 Questions and Answers Already Passed What term is used to describe the body's ability to keep its internal conditions steady within a range of normal limits? Homeostasis Which chemical can function as a neurotransmitter in some parts of the body and as a hormone in others? Norepinephrine What are hormones called that act on the same cell that produces them? Autocrines Which type of local signaling molecules, derived from fatty acids, influence various tissue...

Bio 169 Final exam; Questions & Answers 100% Correct Erythropoietin Correct answer-Is secreted by the kidney The function of the pericardial fluid is to Correct answer-reduce friction between the pericardial membranes Match the type of chemical messenger with its description. Correct answer-Autocrine: stimulates the cell that originally secreted it Endocrine: secreted by glands and cells; acts upon distant target tissues Paracrine: secreted by one cell; acts upon nearby cells Neurotra...

Bio 169: Blood and Cardio; Questions & Answers 100% Correct Erythrocytes Correct answer-red blood cells, carry oxygen Leukocytes Correct answer-white blood cells, fight infection Neutrophils Correct answer-Most abundant white blood cell. The most abundant type of white blood cell Phagocytic and tend to self-destruct as they destroy foreign invaders kills bacteria, fungi, foreign debr