Dromotropic - Study guides, Class notes & Summaries

CEN Study Latest Exam| Questions With Verified Answers Rated A 2024 What are the 3 signs of cushings triad? Correct Answer: 1) Widening Pulse Pressure (or hypotension) 2) Bradycardia 3) Irregular Breathing Patterns What is the 2 most concerning causes of a widening pulse pressure? Correct Answer: 1) Aortic Aneurysm 2) Aortic Dissection Which peripheral nervous system increases heart rate? Correct Answer: Sympathetic Which peripheral nervous system decreases heart rate? Correct Answ...

Pharmacology Exam 4 Chapter 18: Adrenergic Drugs 2024/2025 (Verified Answers). 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 f...

Pharmacology Exam 4 Chapter 18: Adrenergic Drugs 2024/2025 (Verified Answers). 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 f...

CRAT ExamChronotropic - correct answer heart rate Inotropic - correct answer force of myocardial contractility Dromotropic - correct answer conduction velocity through the AV node Systole - correct answer contraction of chamber, blood is being ejected. Pressure rises during systole. Diastole - correct answer rest, relaxation of chamber, chamber is allowed to fill. Pressure falls during diastole. Stroke Volume - correct answer the amount of blood left ventricle pumps in each ...

Pharmacology Exam 4 Chapter 18: Adrenergic Drugs 2024/2025 (Verified Answers). 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 f...

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 the amount of blood left ventricle pumps in each beat. (mL/beat)

SA Node Rate 60-100 BPM AV Node Rate 40-60 BPM Bundle of His/Perkinjie Rate >40 BPM Flow of blood through the heart from the body superior and inferior vena cavas right atrium tricuspid valve right ventricle semilunar valve pulmonary artery lungs pulmonary veins left atrium bicuspid valve left ventricle semilunar valve aorta to the body Inotropic Beats Harder Chronotropic Beats Faster Dromotropic Improved contractility "P" Wave the P wave represents t...

Epinephrine, as an adrenergic (sympathomimetic) drug, produces which therapeutic effect? -Urinary retention -Bronchial constriction -Increased heart rate and contractility -Decreased intestinal motility -Increased heart rate and contractility Epinephrine causes sympathomimetic actions, including increased heart rate and contractility. The other effects listed are parasympathomimetic in nature. The physician has ordered dopamine to treat the patient's hypovolemic shock secondary to severe bloo...

What is a normal aPTT time for someone on continuous heparin infusion? -Correct Answer 60-100 seconds What are serious side effects of propranolol (Inderal)? -Correct Answer Hypotension Bradycardia Hypoglycemia Expiratory wheezing Shortness of breath What foods should be limited with Spironolactone (Aldactone) therapy? -Correct Answer Foods high in potassium What medications can be used for C. diff related diarrhea? -Correct Answer Fidaxomicin Florastor Vancomycyn Patients taki...

Pathophysiology Exam Test 2 Practice VERIFIED SOLUTIONS 2023//2024 Which of the following valves directs blood flow from the left atrium to the left ventricle? A. Mitral B. Tricuspid C. Aortic D. Pulmonic - ANSWER A. Mitral The layer of squamous cells that lines the cardiac chambers and valves is called the: A. myocardium B. endocardium C. epicardium D. Pericardium - ANSWER B. endocardium How much does the atrial kick increase the blood volume? A. 5%-10% B. 10%-15% C. 15%-...