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Science

Anatomy and Physiology

A F B.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The closure of the mitral valve (bicuspid valve) A) is represented by the P wave on the EKG C) contributes to the first heart sound D) occurs when the tricuspid valve is open
Describe four (4) anatomical AND physiological differences between an artery and a vein. Remember that "anatomical" means structure, and "physiological" means function. (That means explain, not just the structural differences, but also the "why.")
Identify the parts of the heart labeled A and B
Identify whether the following statement is either true or false. Left ventricle->Left atrium->Right ventricle->Right atrium is the correct sequence for blood entering the heart through the vena cavae and leaving through the aorta. The sinoatrial node is situated in the wall of the interventricular septum. Impulses through the conduction system of the heart follow the ordered path: SA node->conduction myofibers->AV bundle->AV node. To clearly hear the heart sound of the bicuspid valve, a stethoscope should be placed to the left of the sternum at the second intercostal space. At late diastole, the atria and ventricles are relaxed and the aortic semilunar valve is open. During ventricular contraction all the blood is forced out of the ventricles.
Another patient had an abnormal heart sound that indicated a stenotic valve. Define this condition, and contrast it with an incompetent heart valve.
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Please label the following:
Before Leo is released from the hospital, his physician examines him thoroughly one final time. Dr. Tong detects with his stethoscope a high-pitched blowing systolic murmur. This murmur is best heard directly under his left nipple. A regurgitant heart valve is suspected. However, when Dr. Tong reviews Leo's medical records, he sees no prior history of a heart murmur. He makes a note to follow up with this when Leo returns. What is a systolic murmur? What is a regurgitant heart valve? The timing and location of the murmur implicates which of Leo’s valves is involved?
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Conceptualize in Color Principal Veins Identify and color the principal veins in the figure using the colors suggested, or choose your own. • Basilic: Purple • Cephalic: Orange • Axillary: Pink • Subclavian: Blue • Brachiocephalic: Green • Superior vena cava: Dark red • Internal jugular: Orange • External jugular: Purple • Median cubital: Green • Inferior vena cava: Tan • External iliac: Red • Internal iliac: Dark blue • Common iliac: Yellow • Hepatic: Light red • Great saphenous: Brown • Posterior tibial: Orange • Anterior tibial: Gold • Popliteal: Pink • Femoral: Purple Chapter 16 Vascular System 207
Select the correct statement regarding the AV node B) it produces the P wave on the EKG C) it is also known as the heart's pacemaker D)it contains autorhythmic cells
List the names and synonyms for all four valves of the heart.