What is the myocardium - Study guides, Class notes & Summaries

NSG 531 Rush 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 ...

Nurs 5315: Adv Patho Exam 3 Set 1 | Latest Version | 2024/2025 | Graded A+ **Describe the flow of blood through the heart.** **Blood flows from the body into the heart through the vena cavas, enters the right atrium, passes through the tricuspid valve into the right ventricle, exits via the pulmonic valve into the pulmonary artery, travels to the lungs, returns via the pulmonary veins to the left atrium, passes through the mitral valve into the left ventricle, exits via the aortic valve...

PCT NHA Exam Questions and Answers 100% Pass 1. The lavender-topped tube contains: a. No additive b. SPS c. Na+ citrate d. EDTA - Correct Answer ️️ -d. EDTA 1. The additive in a gray-topped tube is: a. K+ oxalate b. Na+ citrate c. EDTA d. None of the above - Correct Answer ️️ -a. K+ oxalate 1. Which of the needle has the largest gauge? a. 16 g b. 20 g c. 21 g d. 25 g - Correct Answer ️️ -a. 16 g 1. Which of the following gauge needle is used for the typical adult veni...

ATI CARDIAC 2023/ 2024 Updated Questions and Verified Answers| 100% Correct| Grade A Q: You are providing teaching to a group of PTs which of the Pts is at risk for developing PAD? 1. PT with hypothroidism 2. PT with Diabetes Mellitus 3. PT whose daily diet consists of 25% fat 4. Pt who consumes 2 bottles of beer a day Answer: 2. PT with Diabetes Mellitus-at risk for microvascular and progressive peripheral arterial disease Q: You are planning a presentation about HTN which...

Which of the following is most related to the conjunctiva? a. Is the mucous membrane that forms the inner lining of the eyelids b. Is the vascular layer of the eyeball; it supplies the retina with blood c. Is composed of circular and radial muscles d. Forms the cornea, the window of the eye ANS: A 80. On its way to the retina light does not pass through this structure. a. Pupil b. Vitreous humor c. Choroid d. Cornea ANS: C 81. Which of the following is not true of the lens? a. Chang...

What period follows depolarization of the myocardium and represents a period during which no new cardiac potential can be propagated? Correct! Refractory Threshold Sinoatrial (SA) Hyperpolarization During the refractory period, no new cardiac action potential can be initiated by a stimulus. This selection is the only option that accurately identifies the period described in the question. Question 2 2 / 2 pts What is the suggested mean blood pressure for an 8- to 9-year-old ch...

Question 1 2 / 2 pts Which body system supplies cells with oxygen and nutrients and carries away waste? Nervous system Respiratory system Urinary System Correct! Circulatory System (Other system do one of the above, but only the circulatory system carries out all functions listed above) Question 2 2 / 2 pts The heart is contained in the cavity. Correct! Pericardial Pleural Septal Rectoperineal Question 3 2 / 2 pts Which layer of heart anchors it to the diaphragm? Endocardiu...

Which intervention or interventions would have the MOST positive impact on the cardiac arrest patient's outcome? - ANSWER Early CPR and defibrillation The AED gives "no shock" message to a patient who is in cardiac arrest. You should: - ANSWER Resume chest compressions What is the maximum amount of time that should be spent checking for spontaneous breathing in an unresponsive child? - ANSWER 10 seconds When performing CPR on an adult, you should compress the chest ...

NBE SCIENCE QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS The lower jaw is commonly called the Mandible According to the canon of beauty, the length of the head is divided into halves by: the line of eye closure. The facial marking which is classified as natural Labiomental sulcus The transverse dipping furrows of the anterior neck Platysmal sulci The distance across base of nose is approximately the width of ________ eye(s). One What are acceptable corrective treatments for protruding eyes...

Your patient a 52 year old male complaining of dull, achy chest pains. He is alert and oriented but upon assessment, you notice his skin is pale, cool and clammy. What is your next step? - Administer Supplemental oxygen Cardiac Compromise - Any type of heart problem. Cardiac compromise is a blanket term used to describe any type of heart problem. As an EMT-B it allows you to identify cardiac problems without going above your scope of practice an AED is used to treat patients is - Ventricul...