Seminar Unit 3

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School

Purdue Global University *

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Course

551

Subject

Biology

Date

Dec 6, 2023

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docx

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2

Uploaded by Leenakur on coursehero.com

I attended the seminar. 1. Which neurotransmitter is primarily responsible for contraction of the entire muscle cell layer thus resulting in decrease vessel lumen radius? Norepinephrine 2. What does an elevated C-reactive protein (CRP) in a patient mean? Inflammation in the body is usually indicated by a patient's high C-reactive protein (CRP) level. The liver produces CRP as a reaction to inflammation, infection, or tissue damage. It is regarded as an indiscriminate indicator of inflammation, 3. What is the role of Propranolol in patient with obstructive hypertophic cardiomyopathy? One class of drug known as a beta-blocker is propranolol. Patients with obstructive hypertrophic cardiomyopathy are frequently treated with it. In order to treat individuals with obstructive hypertrophic cardiomyopathy, propranolol is essential since it lowers heart rate, decreases contractility, lowers oxygen demand, relieves symptoms, and avoids arrhythmia. But it's crucial to remember that using propranolol—or any medication—should be done so under a doctor's supervision because it might not be appropriate for every patient and can have negative side effects. .4. What is the importance of potassium in the normal electrical function of the client's heart? Potassium is essential for the heart's regular electrical activity. This is due to the fact that it is essential for creating and preserving the heart muscle cells' resting membrane potential. The amounts of potassium ions within and outside the cell largely determine the resting membrane potential, which is the electrical charge differential across the cell membrane while the cell is at rest.The inner of heart muscle cells has a lower charge than the outside while they are at rest. This is because there are more potassium ions inside the cell than there are outside. Potassium ions are expelled from the cell during cardiac contraction, which increases the cell's internal potential and triggers an action. 5. What would be represented on ECG with a patient with a bundle branch block? An anomaly in the heart's conduction system known as a bundle branch block (BBB) disrupts the electrical impulses that pass through the bundle branches and ultimately reach the ventricles. Right bundle branch block (RBBB) and left bundle branch block (LBBB) are the two varieties of bundle branch blocks. On an electrocardiogram (ECG), a patient with a bundle branch block may exhibit the following characteristics: Right Bundle Branch Block (RBBB): QRS Complex: The QRS complex, which represents ventricular depolarization, is wider than
normal (>0.12 seconds) due to delayed activation of the right ventricle. RSR' Pattern: In leads V1 and V2, there is a characteristic RSR' pattern, where the initial R wave is followed by a wide S wave and then a second R wave (R' wave). ST-T Changes: There may be ST-T wave changes, such as ST segment depression or T wave inversion, in leads V1 and V2. Left Bundle Branch Block QRS Complex: The QRS complex is wider than normal (>0.12 seconds) due to delayed activation of the left ventricle.
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