Laboratory Manual for Human Anatomy & Physiology Main Version
4th Edition
ISBN: 9781260159110
Author: Terry Martin
Publisher: Mcgraw-hill Higher Education (us)
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Question
Chapter 45, Problem 3.4A
Summary Introduction
To fill:
The correct term in the given blank.
Introduction:
In most animals, the heart is a muscular organ which pumps blood via circulatory system throughout the body. Blood gives oxygen and nutrients to the body, and removes
The cardiac cycle is the description of the human heart from the demise of one heartbeat to the inauguration of the next.
The myocardium is the wall (or lining) of the muscle of the heart The heartbeat (contraction) of the myocardium is liable for pumping the blood with oxygen to the body.
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An _______________________ is a recording of electrical changes occurring in the myocardium during a cardiac cycle.
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A pulse that feels full and is not easily compressed is produced by an elevated _______________________.
The abnormal hardening of the walls of blood vessels is ____________________.
Chapter 45 Solutions
Laboratory Manual for Human Anatomy & Physiology Main Version
Ch. 45 - The _______ of the conduction system is known as...Ch. 45 - The ________ of the conduction system is/are...Ch. 45 - The first of two heart sounds (lubb) occurs when...Ch. 45 - One cardiac cycle would consist of a. left chamber...Ch. 45 - The SA node of the heart is located in the a....Ch. 45 - The depolarization of ventricular fibers is...Ch. 45 - The dupp sound occurs when the semilunar valves...Ch. 45 - The P wave of an ECG occurs during the...Ch. 45 - The period during a heart is contracting is called...Ch. 45 - The period during which a heart chamber is...
Ch. 45 - During ventricular contraction, the AV valves...Ch. 45 - During ventricular relaxation, the AV valves are...Ch. 45 - The pulmonary and aortic valves open when the...Ch. 45 - The first sound of a cardiac cycle occurs when the...Ch. 45 - The second sound of a cardiac cycle occurs when...Ch. 45 - The sound created when blood leaks back through an...Ch. 45 - What changes did you note in the heart sounds when...Ch. 45 - What changes did you note in the heart sounds...Ch. 45 - Prob. 3.1ACh. 45 - The ____________________ node is located in the...Ch. 45 - The fibers that carry cardiac impulses from the...Ch. 45 - Prob. 3.4ACh. 45 - The P wave corresponds to depolarization of the...Ch. 45 - The QRS complex corresponds to depolarization of...Ch. 45 - The T wave corresponds to repolarization of the...Ch. 45 - Why is atrial repolarization not observed in the...Ch. 45 - Identify the heart chambers and conduction system...Ch. 45 - How much time passed from the beginning of the P...Ch. 45 - What is the significance of this P-R interval?Ch. 45 - How can you determine heart rate from an...Ch. 45 - As blood in the ventricles surges back against the...
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- The ___________________ gives rise to the umbilical blood vessels.arrow_forward_________________ is a type of cardiac glucoside thatincreases the force of cardiac contraction.arrow_forwardThe term_____________ means pertaining to muscle tissue and fascia.aponeurosis fibrous sheath myocardium myofascialarrow_forward
- Pain in the leg muscles that occurs during exercise and is relieved by rest is known as____________. This condition is due to poor circulation and is associated with peripheral vascular disease.arrow_forwardThe left ____________________________ can often be seen superior to the aortic arch as it courses horizontally towards the _____.arrow_forwardOne of the most common heart conditions in the United States is valvular disease. Diseased valves are often described as “leaky” because they allow blood to regurgitate or flow backward. The most commonly impacted valve is the aortic semilunar valve. Explain why a “leaky” aortic semilunar valve would be detrimental to patients. _________________________________________________________________________________________________________________arrow_forward
- An individual with high blood pressure (hypertension) is expected to benefit from the administration of ____________________ inotropic drugs that _______________ the hearts workload.arrow_forwardThe death of the walls of blood vessels is________arrow_forwardThe _________________term describes any pathologic change or disease in the spinal cord.myelopathy myopathy pyelitis pyrosisarrow_forward
- _____________results from a mutation that changes one amino acid in the hemoglobin molecule.arrow_forwardcardiac surgery requires cardiac instruments and ___________.arrow_forward_______________ (Thrombin/thrombokinase) is responsible for the conversion of inactive fibringens to fibrins.arrow_forward
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