507 week 2

G4

Write the name of each numbered structure on the corresponding numbered line and then follow directions shown on the image to complete the problem

15 and 17

List two supplements that may be of benefit to Steven for a marathon. What are the potential mechanisms and benefits of using these two supplements? What protocol, including the timing and dose, would you suggest Steven use for each supplement and why?

QUESTION: 4. Discuss major causes of heart valvular defects

10:37 1 K All Inboxes hello 1. What are some tools that are used to gather information about a patients heart? 2. What does the term "auscultation" mean?

Q19) If the velocity of blood flow in the aorta is 0.32 m/s, what is the pulse frequency you would expect if ultrasound waves with a frequency of 4.3 MHz were directed along the blood flow and the waves were reflected from the red blood cells? Assume that waves travel at a speed of (m/s 103x1.54) O 17.880HZ O 178.80HZ O 17.88KHZ O 1.788KHZ O 0.178KHZ

Plsssss helppp what are observations of abnormalities on this heart and where?

Component Amplitude(mV) Duration (s) P wave 0.046 0.07 QRS complex 0.839 0.08 T wave 0.061 0.2 Describe the physiological events in the heart muscle represented by each ECG component (the P wave, the QRS complex,  and T wave). Why does the QRS complex have the largest amplitude?

9 of 20 During heart development, the primary outcome of cardiac looping is Fusion of the aortic sac vessels of the branchial arches Appearance of pacemaker cells in the right atrium and top of left ventricle Formation of the contrucal segments Fusion of the right atrium with the right ventricle followed by formation of the ventricular septum. Levo-transposition of the great arteries

QRS complex P wave T wave The first peak of the ECG is called the and is caused by atrial depolarization. (Afterwards, the atria contract.) The large spike is called the which is when the ventricles depolarize. (Afterwards, the ventricles contract.) The final peak is the ,which occurs when the ventricles repolarize. (Afterwards, the ventricles relax.)

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Why is exercise heart rate crucial during cardiovascular exercise and how does this affect treatment?

Does ECG lead placement matter?

ECG STRIPS

Q4.2. Describe using diagrams as appropriate the structure and function of the heart. Include reference to the anatomy of the various chambers and valves within the heart and discuss how blood moves through both the left and right sides.

8 of 20 During the Cardiac Contraction cycle, EARLY ventricular systole is characterised by Opening of the semi-lunar valves and ejection of blood into the pulmonary and systemic circulations Greater blood pressure in the atria which opens he atrio-ventricular valves leading to passive filling of the ventricles Simultaneous atrial systole Relaxation of the ventricles which causes closure of the semilunar valves Isovolumetric contraction which closes the atrio-ventricular valves and increases pressure inside the ventricle

Fill in information to identify ekg rhythm strip?