Nodal voltage - Study guides, Class notes & Summaries

CardiacWhat are the individual ion contributions to the resting membrane potential (RMP) of the SA node nodal cells? - correct answer (X) Greater concentration of Na+ outside the cell ( ) No Na+/K+ pump (X) Greater concentration of K+ inside the cell (X) Calcium (Ca2+) gradient with more calcium outside the cell Check all that occur during ventricular systole. - correct answer ( ) The AV valves open to allow blood to enter the ventricles from the atria. ( ) The semilunar valves remain clo...

1 PCCN REVIEW: CARDIOVASCULAR EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Blood Oxygenation Cycle Correct Answer: 1. venous blood 2. right atrium spid valve 4. right ventricle 5. pulmonic valve 6. lungs (blood becomes oxygenated) 7. left atrium 8. mitral valve 9. left ventricle 10. aorta 11. systemic circulation Cardiac Output Correct Answer: HEART RATE x STROKE VOLUME 2 - amount of blood leaving heart in 1 minute Stroke Volume Correct Answer: amount...

1. Which of the following is NOT primarily a function of blood plasma? A. transport of hormones B. being in osmotic balance with red blood cells C. having plasma proteins that exert an osmotic pressure favoring fluid absorption into the capillaries D. providing clotting factors that are ready to be activated E. transport of oxygen - correct answer e 2. Which of the following does NOT describe erythrocytes? A. contain myoglobin B. have a high surface-to-volume ratio C. carry oxygen...

USMLE STEP 1 Pharmacology Final Exam Review USMLE STEP 1 Pharmacology Final Exam Review What are the major functions of the α1 receptor? Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, decrease aqueous humor producti...

PCCN Review Cardiac Exam 238 Questions with Verified Answers Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. - CORRECT ANSWER HR X SV=CO 70 X 65= 4550 4.6 L/min Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. HR X SV=CO - CORRECT ANSWER HR X SV=CO 70 X 65= 4550 4.6 L/min What % of the cardiac cycle is provided by the atrial kick? • 15% • 20% • 30% • 35% - CORRECT ANSWER 20% Atrial kick is a term that represents the am...

Katzung Pharmacology Review 10e 100 Q Exam#2, All Questions with accurate answers, 2022 update, Graded A+ Document Content and Description Below Katzung Pharmacology Review 10e 100 Q Exam#2, All Questions with accurate answers, 2022 update, Graded A+ Question 1: A 52-year-old woman is admitted to the emergency department with a histor y of drug treatment for several conditions. Her serum electrolytes are found to be as follows (normal values in parentheses): | Na+ 140 mEq/L (135-145) K+ 6.5 mE...

A 60-year-old woman has a resting heart rate of 70 beats/min, arterial pressure is 130/85 mm Hg, and body temperature is normal. Her pressure-volume diagram of the left ventricle is shown above. What is her cardiac output in milliliters per minute? A) 2000 B) 3000 C) 4000 D) 6000 E) 7000 E) 7000 FROM PREVIOUS DIAGRAM When does the second heart sound occur in the ventricular pressure-volume relationship? A) At point D B) Between point A and point B C) Between point B and point ...

1 PCCN REVIEW – CARDIAC EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. Correct Answer: HR X SV=CO 70 X 65= 4550 4.6 L/min Calculate the cardiac output for a pt with a HR of 70 and a SV of 65 ml. HR X SV=CO Correct Answer: HR X SV=CO 70 X 65= 4550 4.6 L/min What % of the cardiac cycle is provided by the atrial kick? • 15% • 20% • 30% • 35% Correct Answer: 20% 2 Atrial kick i...

Harrison's™ Principles of Internal Medicine: SelfAssessment and Board Review, 19e Review Questions - Cardiology 1 / 28 1. A 19-year-old long-distance runner, who finished in the top 10 of the local marathon last year, presents for cardiac evaluation after his primary care physician ordered a Holter monitor for screening purposes. On his Holter report, several episodes of second-degree, Mobitz I (Wenckebach) AV block were noted, all occurring during sleep. The patient reports no sy...

Chapter 10, Solution 1. We first determine the input impedance. 1 1 10 10 H j  L j x j 1 1 0 1 10 1 F j j C j x    .1 1 1 11 1 1.0101 0.1 1.015 5.653 10 0.1 1 o Z j in j j                 2 0 1.9704 5.653 1.015 5.653 o o o I       i(t) = 1.9704cos(10t+5.65˚) A Downloaded by Brian Muchoki () lOMoARcPSD| Chapter 10, Solution 2. Using Fig. 10.51, design a pro...