Cardiac myocytes - Study guides, Study notes & Summaries

PNB Unit 3: Heart (Molecular) Exam 2024 2 similarities between skeletal and cardiac muscle cells -Answer-striated sarcomeres - sliding filament model how are the fibers of cardiac myocytes organized in the heart -Answer-fibers are arranged to wrap around the chambers so when contract, they squeeze the chambers of the heart and reduce their volume to create the pumping 3 features unique to cardiac muscle compared to skeletal -Answer-bifurcations anastomoses intercalated disks bifurcation...

NSG 531 Advanced Pharmacology Exam 3 Questions With Correct Answers Latest Updated 2024/2025 Graded A+. what is the difference between cardiac myocyte action potential and that of the CNS or ANS? - ANSWER 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...

Skeletal Muscle Tissue - Answer-Striated, multinucleated, attached to bones and perform voluntary muscle contractions Smooth Muscle Tissue - Answer-No striations, mononucleated, involuntary and found in walls of organs Cardiac Muscle Tissue - Answer-Heart muscle, striated, mononucleated and involuntary Characteristics of Muscle Tissue - Answer-*Excitability*; ability to receive stimuli and respond *Contractibility*; ability to shorten *Extensibility*; ability to extend *Elasticity*; abili...

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 ...

RESP 4204 Module 1 Exam Review (ACCS) questions with correct answers Why auscultate the posterior chest wall Answer yields more useful information pg. 12 HESS % total body potassium intracellular Answer 98% sympathetic stimulation of heart causes Answer increase force of contraction of ventricles hypokalemia Answer chronic alcoholism radiolucent Answer black radiodense Answer object depicted blocked most of the x-rays and appeared as a light area on the film radiopaque Answer...

PANCE Blueprint Cardiology - All Smarty PANCE cardiology flashcard lesson sets combined + EKG (Smarty PANCE) Exam Questions and Answers 100% Correct What is the definition of cardiomyopathy? Heart disease resulting from a primary abnormality in the myocardium List two types of surgical procedures to correct hypertrophic obstructive cardiomyopathy 1. Open heart and excision 2. Alcohol ablation done through cardiac catheterization What heart sound will likely be present with hypertrophic...

A epidural hematoma is most often the result of ? - a tear in the middle meningeal artery brain ischemia occurs when cerebral perfusion pressure is below? - 70 mm Hg brains ischemia cause the patients to have which symptoms? - neurological deficits explain duodenal ulcers? - forms due to hypersecretion of pepsinogen causing H.pylori infections. occurs in early adulthood, pain comes 2-4 hours after a meal or on empty stomach, cause weight gain, pain occurs during hours of sleep, right epigas...

UTA A&P II FINAL EXAM FALL 2024 QUESTIONS WITH COMPLETE SOLUTIONS | GRADED A+ In cardiac muscle, the fast depolarization phase of the action potential is the result of ________. - increased membrane permeability to sodium ions The following is a list of vessels and structures that are associated with the heart. 1. right atrium 2. left atrium 3. right ventricle 4. left ventricle 5. venae cavae 6. aorta 7. pulmonary trunk 8. pulmonary veins - 5, 1, 3, 7, 8, 2, 4, 6 The bic...

Heart Part 2, UTHSC Fall 2022 D2 Pathology what is the #1 cause of death in the US? Myocardial Infarction Myocardial Infarction epidemiology ~ 10% occur in people < 40 years old, and 45% in those < age 65 Myocardial Infarction has a correlation with what? genetic and behavioral predispositions to atherosclerosis Myocardial Infarction (MI) Pathogenesis via Coronary Arterial Occlusion 1. Acute change (hemorrhage, ulceration, rupture) in a coronary artery atheromatous plaque 2. Plate...

NBME CBSE EXAM ACTUAL TEST QUESTIONS WITH VERIFIED ANSWERS Chagas Disease ---------- Correct Answer--------- Caused by Trypanosoma cruzi parasite passed in the feces of Reduviidae/kissing bug Penetrates broken skin or intact mucous membranes forming a pseudocyst releasing inflammatory infiltrates into myocytes; stains with Giemsa & Wright Romana sign occurs when portal of entry is the conjunctiva or eyelid May resulting in: Enlarged heart- CHF, sudden cardiac arrest Enlarged esophagus...