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Kim Ferguson

Anatomy Week 10

QuestionAnswer
Identify the letter that indicates the cephalic vein. C
Identify the letter that indicates the fraction of leukocytes that represents basophils. C
Identify the letter that indicates the tissue layer of the heart known as the epicardium. E
Starling’s law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the stronger the contraction.
Identify the letter that indicates the ulnar artery. E
Identify the letter that is indicating the lumen. E
Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of vasodilation.
Identify the letter that indicates the subendothelial layer associated with larger blood vessels. B
Which two factors promote the return of venous blood to the heart? blood-pumping action of respirations and skeletal muscle contractions
The vagus is said to act as a “brake” on the heart. This situation is called vagal inhibition.
Identify the letter that indicates the most abundant class of leukocyte. B
Identify the letter that indicates the common iliac artery. A
Identify the letter that indicates the common carotid arteries. C
Identify the letter that indicates the formed element of the blood that develops into phagocytic cells called macrophages. D
Factors that affect the strength of myocardial contraction are called inotropic factors.
Identify the letter that indicates the internal jugular vein. B
Identify the letter that indicates the left common carotid artery. A
Identify the letter that indicates the left auricle. D
Identify the letter that indicates the blood vessel layer that is comprised of circular and longitudinal smooth muscle. C
Cardiac output is determined by stroke volume and heart rate.
Identify the letter that indicates formed elements of the blood that are important in blood clotting. E
Identify the letter that indicates the fraction that of leukocytes that represents monocytes. E
Identify the letter that indicates the formed element of the blood that is packed with molecules of hemoglobin. A
Identify the letter that indicates the formed element of the blood that produces antibodies. C
Identify the letter that indicates the renal artery. B
Identify the letter that indicates the brachial artery. D
Identify the letter that indicates the location of the bundle branches. C
Identify the letter that indicates the left atrioventricular valve. A
The localized pressure gradient needed to maintain blood flow in a tissue is called perfusion pressure.
Identify the letter that indicates the longest vein in the body. E
Which layer of the larger blood vessels is made up of endothelium? tunica intima
The normal ECG is composed of all of the following except a E wave.
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
The outermost layer of the larger blood vessels is the tunica adventitia.
Which division of the autonomic nervous system sends fibers to the heart? sympathetic parasympathetic both A and B
Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles? precapillary sphincters
Atria are often called _____ because they receive blood from vessels called veins. receiving chambers
Mechanical devices that permit the flow of blood in one direction only are called valves.
The _____ drains much of the superficial leg and foot. great saphenous vein
The free edges of the atrioventricular valves are anchored to the papillary muscles.
After blood leaves the lungs and returns to the heart, it enters the left atrium.
A graphic record of the heart’s electrical activity is a(n) ECG.
The heart has its own special covering, a loose-fitting inextensible sac called the pericardium.
The term blood type refers to the type of blood cell antigen.
A decrease in the amount of white blood cells is called leukopenia.
The four structures that compose the conduction system of the heart are the SA node, AV node, AV bundle, and Purkinje fibers.
The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called semilunar valves.
The _____ is(are) supplied with blood from the left subclavian artery. head and upper extremities
Which types of arteries are also called conducting arteries and include the aorta? elastic arteries
Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation. systemic
_____ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: hematopoietic stem cells.
The normal cardiac impulse that initiates mechanical contraction of the heart arises in the SA node.
The brachiocephalic vein drains blood from the head, neck, and upper extremity
During fetal circulation, what opening in the septum, between the right and left atria, directs most of the blood so that it bypasses the fetal lungs? foramen ovale
Microscopic vessels that carry blood from small arteries to small veins are capillaries.
Neutrophils are highly mobile and phagocytic. They migrate out of blood vessels and into tissue spaces. This process is called diapedesis.
All of the following are granulocytes except lymphocytes.
In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. vascular anastomoses
The bulk of the heart wall is the thick, contractile middle layer called the myocardium.
Created by: Kferguson76
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