Lymphatic
The structure of a lymphatic vessel is most similar to that of a(n)__________.
vein
What is the effect of vasoconstriction?
Blood pressure increases
What type of tissue forms the walls of the alveoli?
Simple squamous epithelium
What is the main part of the stomach is called?
Body
What is a hematocrit?
Percent of red blood cells in a blood sample
Cervical lymph nodes filter lymph draining from what region?
Scalp and face
How is stroke volume calculated?
SV = EDV - ESV
Describe the process of ventilation.
Movement of air into and out of lungs
What is a function of saliva?
Beginning the chemical digestion of carbohydrates
Which cell type is an agranulocyte?
Monocytes
What feature of the spleen allows it to perform its function?
The highly permeable venous sinuses within the spleen allow blood to pass into the red pulp where it is filtered.
Valves help to ensure one-way blood flow in the__________.
heart and veins
Where are the respiratory areas in the brain that control automatic, unconscious breathing located?
Pons and medulla oblongata
What is the correct sequence for the layers in the walls of the alimentary canal from innermost to outermost?
Mucosa, submucosa, muscular layer, serosa
Iron is a component of what substance?
Heme
Name the class of hormones that stimulate maturation of T lymphocytes.
Thymosins
The longest vein in the body is the__________.
great saphenous vein
What normally holds the visceral and parietal pleural membranes together?
Thin film of serous fluid
The common hepatic duct and the cystic duct unite to form the__________.
common bile duct
What is the function of colony-stimulating factors?
Stimulate the production of platelets
What is the flow of lymph through the lymphatic system?
Capillaries → vessels → trunks → ducts
What is the correct sequence of components of the cardiac conduction system?
SA node → AV node → AV bundle → Purkinje fibers
What is chloride shift?
An exchange that maintains the ionic balance between the red blood cells and the plasma.
What is secreted by the parietal cells of gastric glands?
Hydrochloric acid
Cyanosis is caused by an increased blood concentration of__________.
deoxyhemoglobin