Endocrine
What is the largest structure of the body that is dedicated solely to the endocrine system?
Thyroid gland
What regulates platelet plug formation?
Thrombopoietin
What affects the resistance of blood flow?
Vessel length
vessel diameter
blood viscosity(hematocit)
During a normal cardiac cycle what happens immediately after the SA node depolarizes?
Atrial depolarization begins
Which heart valve would have cortinae tendinae attached to the cusps?
bicuspid
Hypophysis is another term for which gland?
Pituitary gland
What is activated by cleaving the soluble portion of the molecule, the insoluble section then precipitates into a solid fiber?
Fibrinogen
Which vessel has the highest velocity blood?
Arteries
During which intervals are the atria contracting?
P-Q wave
What organelle does a mature red blood cell retain?
What is the circulatory structure between the hypothalamus and the anterior pituitary ?
Hypothalamo-hyposeal portal system
What is the process of hemostasis?
1.vascular spasm
2. Platelet Plug formation
3. Coagulation
4. Clot retraction
What process allows WBC to leave the bloodstream and move into tissues?
Diapedesis
What is the first branch off the aorta after the blood leaves the left ventricle?
Coronary sinus
During a transition from rest to strenuous exercise, perfusion to which area changes the most?
Skeletal muscles
What is the direct action of a tropic hormone ?
A tropic hormone is a hormone that tells another gland to secrete its product
How does erythroblastisis fetalis occur?
With Rh- mom and Rh+ fetus
Which WBC releases histamine and acts like a "welcome wagon" to attract other WBC?
Basophil
Malfunction of which structure would cause a heart block?
AV node
What is produced by the adrenal medulla?
epinephrine
glycogenesis
During a transition from rest to strenuous exercise, perfusion to which area changes the least?
Brain
What is a fetal structure bypassing lungs?
Ductus venous
What is the outermost lining of the heart, prevents the heart from overfilling, holds arteries in place and anchors the heart to the diaphragm?
Fibrous Pericardium
TRH promotes the release of what hormone?
TSH