Intercalated discs Study guides, Class notes & Summaries

APHY 102 Heart Ivy Tech Questions With Answers And Diagramatic Expressions. Latest Update 2023/2024 What is known as the movement of blood from the right ventricle to both lungs back to the left atrium, and functions to allow gas exchange? pulmonary circuit What is known as the movement of blood from left ventricle to ALL body tissues and back to right atrium, and functions to supply nutrients to body cells and pick up wastes? systemic circuit What part of the heart is tilted, point...

BIOS 252 Final Exam Review Questions With Solutions 100% Correct What are the three types of muscle tissue? Skeletal, Cardiac, and Smooth What are characteristics of skeletal muscle? Striated, voluntary, multinucleated, somatic nervous system control What are characteristics of smooth muscle? Non-striated, involuntary, uninucleated, autonomic nervous control What are characteristics of cardiac muscle? Striated, branching, uninucleated, involuntary, autonomic nervous control, intercal...

HISTOLOGY MUSCLE EXAM STUDY GUIDE TEST. skeletal muscle - CORRECT ANSWER Peripheral - CORRECT ANSWER where nuclei are seen in skeletal muscle Cardiac Muscle - CORRECT ANSWER Striated like skeletal muscle with branching cells, central nuclei (appear round), and intercalated disks Cardiac muscle - CORRECT ANSWER Smooth Muscle - CORRECT ANSWER spindle-shaped muscle that has central nuclei, slow & prolonged contractions, no striations and is found in areas under autonomic control ...

With muscular dystrophy _________________ A) muscles decrease in size due to loss of fat and connective tissue B) muscle fibers degenerate and atrophy C) most forms do not appear to be inherited D) most cases appear in young females - ANS B) muscle fibers degenerate and atrophy What muscle cells have the greatest ability to regenerate? A) skeletal B) cardiac C) smooth D) no muscle can regenerate - ANS C) smooth Most muscles contain _________________ A) muscle fi...

APHY 102 Exam 3 Chapter (19-21)Review Questions and Answers 2024 The superior portion of the heart where major blood vessels enter and exit is the: Base Apex Inferior border Left border Base The inferior point of the heart is called the: Base Apex Inferior border Left border Apex Most of the mass of the heart lies to the ______ of the midline: Area above Area below Left Right Left Most of the middle layer in the heart wall is composed of: Cardiac muscle c...

What are the characteristics of an endocrine gland? - -Composed of secretory endocrine cells derived from an epithelium that is supported by a connective tissue framework. -extensive blood supply What is unique about thyroid hormone? - -it has a large concentration of iodide. -it is neither a protein or cholesterol based, they incorporate iodine as a active constituent -it has two forms (T3 (most active) & T4) How do lipid-soluble hormones exert their impact on cells? - being lipophilic...

a multilayered epithelium with rectangular shaped basal cells and square shaped cells at its surface would be classified as_______. a. simple cuboidal b. simple squamous c. transitional d. stratified cuboidal e. none of the above correct answers d. stratified cuboidal features of smooth muscle tissue include_______. a. its exclusive location in the heart b. a single nucleus for each cell c. large, long, multi-nucleated, unbranched cells d. intercalated discs. e. both B and C corr...

CVP final review exam questions & answers 2023/2024 blood vessel layer associated with vasoconstriction - ANSWER-tunica media vasoconstrictor released after endothelial damage - ANSWER-endothelin endothelial-derived relaxing factors - ANSWER-nitric oxide the fluctuation in aortic pulse due to the closure of the aortic valve - ANSWER-incisura gap junctions are found in the _____________ discs - ANSWER-intercalated ` plasma _________ osmotic pressure - ANSWER-colloid during ...

Desmosomes - ANSWER-Help hold cells together, give structural integrity to the muscle sheet What are cardiac myocytes? - ANSWER-muscle cells Cardiac myocytes are connected toe ach other by? - ANSWER-Intercalated discs, that contain multiple gap junctions and desmosomes The gap junctions allow the? - ANSWER-Spread of the action potential throug hthe muscle so that the cells contract together during a heartbeat Briefly define an action potential? - ANSWER--sodium channels open -Calciu...

Biology 235 - Exam 3 Questions With Verified Answers 2024/2025 What do golgi tendon organs do? - answer- detect changes in muscle tension - when the muscle contracts, the Golgi tendon organ is stimulated, and it sends a signal to the brain to relax the muscle what do spindle muscle cells do? - answer- detect changes in the length of a muscle - if it senses the muscle is lengthening, it sends a signal to contract. if it continues to lengthen, they will eventually stop the signals and the m...