BIOL 348 EXAM 1 SET 3 QUESTIONS AND 100% APPROVED CORRECT ANSWERS GRADED A+ 2025 FIRST CLASS PASS

BIOL 348 EXAM 1 SET 3 QUESTIONS AND 100% APPROVED CORRECT ANSWERS GRADED A+ 2025 FIRST CLASS PASS 2025 EXAM  BIOL 348 EXAM 1 SET 3 QUESTIONS AND 100% APPROVED CORRECT ANSWERS GRADED A+ 2025 FIRST CLASS PASS what is the boundary organ concept? - CORRECT ANSWER they are the gatekeepers. ICF and ECF they share a continuous boarder, made of epithelial tissue, the tissues are specialized What is the ECF? - CORRECT ANSWER extracellular fluid, fluid outside of cells interstitial fluid What is the ICF? - CORRECT ANSWER intracellular fluid, fluid inside internal environment intrastitial fluid Is the transport of Na between blood plasma and tissue fluid active or passive? - CORRECT ANSWER passive Is the transport of Na from the ICF to the tissue fluid active or passive? - CORRECT ANSWER active Is the transport of Na from the intercellular fluid to intracellular fluid active or passive? - CORRECT ANSWER active Boundary organs work to maintain.... - CORRECT ANSWER ECF pH, O2 content, ion balance, bp, gases, wastes, carbs, proteins What are the 2 types of sensory receptors? - CORRECT ANSWER function and structural classification What is functional classification? - CORRECT ANSWER location, stimulus type What is structural classification? - CORRECT ANSWER free nerve endings, encapsulated nerve endings What is somatic sensory? - CORRECT ANSWER touch, pain, pressure, vibration, hearing and vision What is visceral sensory? - CORRECT ANSWER stretch, pain, temp, chemical taste, smell What are characteristics of boundary organs? - CORRECT ANSWER performing chemical rxns involving energy transformations (ATP) most have epithelia specialized in transport regulation of extracellular fluid throughout the body What is the origin of tissues? - CORRECT ANSWER fertilization, zygote, morula, blastula, gastrula What are the 3 germ layers? - CORRECT ANSWER endoderm, ectoderm, mesoderm What are the 4 tissue types? - CORRECT ANSWER nmce/nervous, muscular, connective, and epithelial How is homeostasis controlled? - CORRECT ANSWER starts with a normal condition there is a change that threatens homeostasis detected by receptor sends information to control center signals the effector produces a response that opposes the change in condition What are general features of epithelial tissue? - CORRECT ANSWER Cover surfaces, line cavities and form glands Attached to underlying connective tissue by a basement membrane Avascular---without blood vessels Good nerve supply Named according to the shape and arrangement of cells What is simple squamous epithelia? - CORRECT ANSWER Single layer of flat cells- lines blood vessels (endothelium), closed body cavities (mesothelium)- very thin --- controls diffusion, osmosis and filtration What are features and functions of connective tissue? - CORRECT ANSWER hold things together (like glue) Matrix (fibers & ground substance) secreted by cells- Consistency varies: liquid, gel, or solid Function is to support, connect, protect and insulate Good nerve & blood supply except cartilage & tendons What are the types of connective tissue fibers? - CORRECT ANSWER collagen, elastic, and reticular fibers