Heart Beats
Approximately how many times a minute does the heart beat?
A. 60
B. 90
C. 70
D. 65
Approximately how many times a minute does the heart beat?
A. 60
B. 90
C. 70
D. 65
What is the most numerous type of cells in the blood?
A. Platelets
B. Erythrocytes
C. Leukocytes
D. Hemoglobin
What is the most numerous type of cells in the blood?
A. Platelets
B. Erythrocytes
C. Leukocytes
D. Hemoglobin
________ act as pressure reservoirs to ensure a continual smooth flow of blood through the vasculature, even when not pumping blood.
A. Arteries
B. Veins
C. Aortic Valve
D. Atrial Wall
________ act as pressure reservoirs to ensure a continual smooth flow of blood through the vasculature, even when not pumping blood.
A. Arteries
B. Veins
C. Aortic Valve
D. Atrial Wall
Cardiac muscle contractions are triggered by signals originating from the muscle itself. Because of this it is said to be Neurogenic. True or False?
A. True
B. False
Cardiac muscle contractions are triggered by signals originating from the muscle itself. Because of this it is said to be Neurogenic. True or False?
A. True
B. False It is Myogenic because the initial signal for contractions does NOT originate in neurons.
At certain points in the lymphatic system, lymph passes through structures known as _________. They are an integral part of immune response.
A. Lymphocytes
B. Lymph Nodes.
C. Lymphatic Veins
D. Macrophages
At certain points in the lymphatic system, lymph passes through structures known as _________. They are an integral part of immune response.
A. Lymphocytes
B. Lymph Nodes.
C. Lymphatic Veins
D. Macrophages
Which 3 components make up the heart?
A. Blood, Circulation, veins.
B. The heart, blood vessels, blood.
C. Arteries, the ventricles, and the aorta.
D. The heart, arteries, and veins.
Which 3 components make up the heart?
A. Blood, Circulation, veins.
B. The heart, blood vessels, blood.
C. Arteries, the ventricles, and the aorta.
D. The heart, arteries, and veins.
The liquid portion of the blood is called _________ and is made of water containing dissolved proteins, electrolytes, and other solubles.
A. Hemoglobin
B. Plasma
C. Red blood cells
D. Platelets
The liquid portion of the blood is called _________ and is made of water containing dissolved proteins, electrolytes, and other solubles.
A. Hemoglobin
B. Plasma
C. Red blood cells
D. Platelets
The heart is located in the thoracic cavity and is surrounded by a __________ sac.
A. Cardial
B. Epicardial
C. Endomysial
D. Pericardial
The heart is located in the thoracic cavity and is surrounded by a __________ sac.
A. Cardial
B. Epicardial
C. Endomysial
D. Pericardial
Contractions of the heart are triggered by which type of cells?
A. Contractile Cells
B. Pacemaker Cells
C. Generation Cells.
D. Myocardial Cells
Contractions of the heart are triggered by which type of cells?
A. Contractile Cells
B. Pacemaker Cells
C. Generation Cells.
D. Myocardial Cells
Approximately how many liters of fluid leaks out of the capillaries each day?
A. 4
B. 6
C. 5
D. 3
Approximately how many liters of fluid leaks out of the capillaries each day?
A. 4
B. 6
C. 5
D. 3
The heart contains 4 chambers. Two upper called the _______ and two lower called the _______.
A. Atria, and Epicardium
B. Myocardiam, and Ventricles
C. Atria, and Ventricles
The heart contains 4 chambers. Two upper called the _______ and two lower called the _______.
A. Atria, and Epicardium
B. Myocardiam, and Ventricles
C. Atria, and Ventricles
The _______ heart supplies blood to the pulmonary circuit, and the _______ heart supplies blood to the systemic circuit.
A. Left, Right
B. Blood Vessels Veins
C. Right, Left
D. Atria, Ventricles
The _______ heart supplies blood to the pulmonary circuit, and the _______ heart supplies blood to the systemic circuit.
A. Left, Right
B. Blood Vessels Veins
C. Right, Left
D. Atria, Ventricles
The _________ are 2 large veins that carry blood from parts of the body above the diaphragm.
A. Vena Cave
B. Pulmonary Arteries
C. Pulmonary Veins.
D. Aorta
The _________ are 2 large veins that carry blood from parts of the body above the diaphragm.
A. Vena Cave
B. Pulmonary Arteries
C. Pulmonary Veins.
D. Aorta
Action Potentials generally originate in _________ of the myocardium?
A. Atrioventricular Node
B. Pacemaker Cells
C. Sinoatrial Node
D. Interatrial Septum
Action Potentials generally originate in _________ of the myocardium?
A. Atrioventricular Node
B. Pacemaker Cells
C. Sinoatrial Node
D. Interatrial Septum
You fell off your bike and scraped your knee. Ouch! You notice a clear fluid oozing from the scrape. This is mostly ________?
A. Hemoglobin
B. Coagulant
C. Lymph
D. Pus
You fell off your bike and scraped your knee. Ouch! You notice a clear fluid oozing from the scrape. This is mostly ________?
A. Hemoglobin
B. Coagulant
C. Lymph
D. Pus
When blood moves through the body it moves in a _________ pattern.
A. Upward
B. Downward
C. Circular
D. Linear
When blood moves through the body it moves in a _________ pattern.
A. Upward
B. Downward
C. Circular
D. Linear
In the systemic capillary beds O2 leaves the blood and CO2 enters. True or False
A. True
B. False
In the systemic capillary beds O2 leaves the blood and CO2 enters. True or False
A. True
B. False
The smallest blood vessels are called ________. They serve as the site of exchange between blood and interstitual fluid.
A. Veins
B. Venules
C. Capillaries
D. Arteries
The smallest blood vessels are called ________. They serve as the site of exchange between blood and interstitual fluid.
A. Veins
B. Venules
C. Capillaries
D. Arteries
The __________ is the pacemaker of the heart, and drives depolarization of the cells, thereby establishing heart rate.
A. Artrioventricular Node
B. Electrical Current
C. Pacemaker Cells
D. Sinoatrial Node
The __________ is the pacemaker of the heart, and drives depolarization of the cells, thereby establishing heart rate.
A. Artrioventricular Node
B. Electrical Current
C. Pacemaker Cells
D. Sinoatrial Node
The primary function of the lymphatic system is to carry Lymph throughout the body. Lymph contains infection fighting white blood cells. True or False?
A. True
B. False
The primary function of the lymphatic system is to carry Lymph throughout the body. Lymph contains infection fighting white blood cells. True or False?
A. True
B. False
Because blood moves from the heart into the vasculature, then from the vasculature back to the heart, it is considered an open system. True or False?
A. True
B. False
Because blood moves from the heart into the vasculature, then from the vasculature back to the heart, it is considered an open system. True or False?
A. True
B. False ( it is a closed system.)
Oxygenated blood is __________ in color.
A . Bright Red
B. Blue
C. Dark Red
D. Black
Oxygenated blood is __________ in color.
A . Bright Red
B. Blue
C. Dark Red
D. Black
The heart muscle obtains most of it's nourishment from _________.
A. Coronary Arteries.
B. The Aorta
C. Hemoglobin in the blood
D. Parallel Flow
The heart muscle obtains most of it's nourishment from _________.
A. Coronary Arteries.
B. The Aorta
C. Hemoglobin in the blood
D. Parallel Flow
In the heart gap, junctions are concentrated in structures called ___________.
A. Cardiac Junctions
B. Intercalated Disks
C. Synaptic Clefts
D. Gap Neurons
In the heart gap, junctions are concentrated in structures called ___________.
A. Cardiac Junctions
B. Intercalated Disks
C. Synaptic Clefts
D. Gap Neurons
What are the main symptoms of Lymphodema?
A. Skin changes and discoloration
B. Blisters, and infection
C. Leaking fluid from the skin
D. All of the Above
What are the main symptoms of Lymphodema?
A. Skin changes and discoloration
B. Blisters, and infection
C. Leaking fluid from the skin
D. All of the Above