Myocyte - Study guides, Class notes & Summaries

PAEA Emergency Medicine EOR Topics what is the most common cause of heart failure? specifically left sided? right sided? - -MC is CAD (coronary artery disease) -L sided: *CAD* & HTN -R sided: *L sided HF* & pulmonary dz decreased ejection fraction, thin ventricular walls, dilated LV chamber, and an S3 gallop (filling of dilated ventricle) is associated with systolic or diastolic heart failure? - systolic (MC form of CHF) *(the sound is actually heard in the diastole though) -memo...

Anatomy Exam 3: Skeletal Muscle 4 general properties of muscle -Answer-excitability contractility elasticity extensibility excitability of muscle (general property) -Answer-generates graded and action potentials (through same mechanisms as neurons) contractility property of muscle -Answer-muscles use action potential to initiate process of contraction - generates force elasticity property of muscle -Answer-muscles constantly change size don't lose membrane integrity when experiencing ...

what is the difference between cardiac myocyte action potential and that of the CNS or ANS? nerve cell action potential is very short cardiac action potential is much longer they are longer to have adequate filling time in order to get a good contraction for a reasonable bolus of blood the only way this can happen is if the action potential is longer this will also mean that the refractory period will be longer What are the 5 phases of the non-pacemaker action potential? 0 - dep...

Anatomy - ANSWER-The study of body structure Physiology - ANSWER-The study of function and what the body parts do Organism - ANSWER-An individual Organ system - ANSWER-Group of organs with a collective function Organ - ANSWER-- Composed of 2 or more tissues - Cooperate for common function Tissue - ANSWER-Group of similar cells with a specific function Cell - ANSWER-Smallest unit of life Organelles - ANSWER-- Tiny structures within cells within specific functions - Ex) Mi...

Anatomy correct answers Study of forms and parts Physiology correct answers Study of function Hierarchy of Complexity correct answers organism, organ systems, organs, tissues, cells, organelles, macromolecules, molecules, atoms Organism correct answers An individual living thing Organ system correct answers Group of organs with a collective function Organ correct answers Composed of two or more tissues Cooperate for common function Tissue correct answers A group of similar ce...

PAEA Emergency Medicine EOR Exam 800 questions well solved what is the most common cause of heart failure? specifically left sided? right sided? ANS--MC is CAD (coronary artery disease) -L sided: *CAD* & HTN -R sided: *L sided HF* & pulmonary dz decreased ejection fraction, thin ventricular walls, dilated LV chamber, and an S3 gallop (filling of dilated ventricle) is associated with systolic or diastolic heart failure? ANS-systolic (MC form of CHF) *(the sound is actually heard in the ...

Function of muscle (4) correct answers Generate Force Fuel Storage Temperature Regulation Force Absorber Composition of a Muscle Cell (3) correct answers - Muscle is Homogenous, not heterogenous - Muscle fiber (cell) has 20-30k proteins (per cell) - Muscle is highly adaptable (plasticity) Composition of a Muscle Cell (5) correct answers a) Contractile System b) Ca2+ Regulation System c) Excitation System - Electrical Potential d) Metabolic (energy) System e) Nucleus (multi-nucle...

ASEPIS - Answer-WITHOUT GERMS OR BACTERIA ATROPHY - Answer-WITHOUT MUSCLE STRENGTH ARTHRITIS - Answer-INFLAMMATION OF THE JOINT CARDIOLOGY - Answer-STUDY OF THE HEART PATHOGEN - Answer-DISEASE CAUSING MICROORGANISM DIAPHORETIC - Answer-SWEATING CYANOSIS - Answer-CONDITION OF BEING BLUE PATHOLOGIST - Answer-STUDY OF CAUSE OF DISEASE LIPOMA - Answer-FATTY TUMOR HYSTERECTOMY - Answer-SURGICIAL REMOVAL OF THE UTERUS CARCINOGENIC - Answer-PRODUCING CANCER ACROMEGALY - Answer-EXCESS GROWTH ...

Sarcolemma - Answers muscle plasma membrane Sarcoplasm - Answers cytoplasm of a muscle cell Muscle cells respond to neural, stretch, or other signals by changing their _______. - Answers sarcolemma electrical potential (voltage) The electrical potential change is coupled to intracellular changes that result in ______. - Answers force generation (contraction) Contractility - Answers active shortening of muscle cell and generation of tension (force) Extensibility - Answers passive s...

Most common cardiac enzymes ordered - Troponin I, Troponin T, and CKMB What is the standard timetable for ordering cardiac enzymes? - X3 q4 hours Cardiac injury - Disruption of normal cardiac myocyte membrane integrity resulting in the loss of biologically active cytosolic and structural proteins such as troponin, creatine kinase, myoglobin, heart type fatty acid binding proteins, and lactate dehydrogenase into the extracellular space or bloodstream Creatine - an amino acid that helps the b...