Chronotropic heart rate - Study guides, Class notes & Summaries

The heart layers (from OUTSIDE-IN): fibrous pericardium, parietal pericardium, pericardial cavity, visceral pericardium (epicardium), myocardium, endocardium ~basically pericardium-myocardium-endocardiun If fluid collects in the pericardium, the heart stretches & what occurs cannot contract (restricted)- only a certain amount of fluid can fill Heart lies in the mediastinum Inferior vena cava lower body (lower legs, abdomen, chest) Superior vena cava upper portion of body (head, neck, and up...

MS II Prep U Ch. 26: Management of Patients With Dysrhythmias and Conduction Problems A home care nurse is visiting a left-handed client who has an implantable cardioverter-defibrillator (ICD) implanted in his left chest. The client tells the nurse how excited he is because he's planning to go rifle hunting with his grandson. How should the nurse respond? "Enjoy your time with your grandson." "You can't shoot a rifle left-handed because the rifle's recoil will traumatize the ICD s...

CSCS - Final Exam Questions and Answers 100% CorrectCSCS - Final Exam Questions and Answers 100% CorrectCSCS - Final Exam Questions and Answers 100% CorrectCSCS - Final Exam Questions and Answers 100% Correct what are the two main divisions of the skeletal system? - ANSWERappendicular and axial the division of the nervous system concerned with control of skeletal muscle contractions is called the - ANSWERsomatic nervous system in remodeling, which cell type lays down new matrix? - ANSWERo...

Chronotropic : heart rate Inotropic : force of myocardial contractility Dromotropic : conduction velocity through the AV node Systole : contraction of chamber, blood is being ejected. Pressure rises during systole. Diastole : rest, relaxation of chamber, chamber is allowed to fill. Pressure falls during diastole. Stroke Volume 2 | P a g e : the amount of blood left ventricle pumps in each beat. (mL/beat) Cardiac output- definition : The amount of blood pumped into the aorta each...

EKG Practice Test With Correct Answers What is the force the heart has to push against? Correct Answer: Afterload What is the point of the heart that points inferiorly toward the left hip? Correct Answer: apex of the heart The top chambers of the heart that are separated by interatrial septum are called? Correct Answer: atria This is located b/t the atria and ventricles Correct Answer: Atrioventricular valve AKA: AV valve The valves of the heart are..... Correct Answer: flaps of...

what are the two main divisions of the skeletal system? - Answer- appendicular and axial the division of the nervous system concerned with control of skeletal muscle contractions is called the - Answer- somatic nervous system in remodeling, which cell type lays down new matrix? - Answer- osteoblasts the pelvis is located ______________ to the patella - Answer- superior the vertebrae are an example of what type of bone? - Answer- irregular which articulation is characterized by bei...

Phamacology exam 4 Chapter 18: Adrenergic Drugs.1. The nurse is aware that adrenergic drugs produce effects similar to which of these nervous systems? a. Central nervous system b. Somatic nervous system c. Sympathetic nervous system d. Parasympathetic nervous system Adrenergic drugs mimic the effects of the sympathetic nervous system. 2. When an adrenergic drug stimulates beta1-adrenergic receptors, the result is an increased force of contraction, which is known as what type of effect? ...

what are the two main divisions of the skeletal system? Answer appendicular and axial the division of the nervous system concerned with control of skeletal muscle contractions is called the Answer somatic nervous system in remodeling, which cell type lays down new matrix? Answer osteoblasts the pelvis is located ______________ to the patella Answer superior the vertebrae are an example of what type of bone? Answer irregular which articulation is characterized by being immovable an...

Wes Todd RCIS Meds Question with complete solution Wes Todd RCIS Meds Chronotropic Drugs/Agents effects what? - correct answer Heart Rate Example of a positive chronotropic drug - correct answer Adrenaline - increase HR Example of a negative chronotropic drug - correct answer Digoxin - decrease HR Dromotropic Drugs effects what? - correct answer the conduction of electrical impulses through the myocardium Example of a positive dromotropic drug - correct answer Phenytoin ...

EKG practice test Exam Questions And Answers With 100% Correct Answers What is the force the heart has to push against? - answerAfterload What is the point of the heart that points inferiorly toward the left hip? - answerapex of the heart The top chambers of the heart that are separated by interatrial septum are called? - answeratria This is located b/t the atria and ventricles - answerAtrioventricular valve AKA: AV valve The valves of the heart are..... - answerflaps of fibrous tissue ...