Endocrine 1
This is released in response to low blood glucose levels
Glucose
Which leukocyte is the most abundant?
Neutrophils
What connects the right atrium and ventricle?
Tricuspid valve
What hormone stimulates the release of growth hormone?
Growth hormone–releasing hormone
What hormone will be released when you have a low Red Blood cell count?
Erythropoietin
Which hormone stimulates uterine contractions released during childbirth
Oxytocin
What part of the red blood cell does oxygen bind to in order to be transported through the blood?
Hemoglobin
What type of blood is pumped to the systematic circuit?
Oxygenated blood
What maintains the neural connection between the hypothalamus and the posterior pituitary?
Hypothalamic-hypophyseal tract
If you put a blood sample in a centrifuge when component will appear at the bottom and why?
Erythrocytes because they're the densest
Graves disease is caused by what?
Hypersecretion of thyroid hormone
Name all the blood types that B- can donate to
B+/- AB+/-
As blood leaves the left ventricle, it goes through the ____ to get to the aorta
Aortic valve
How would you define paracrine chemical messengers?
Locally acting chemicals that affect cell types other than those that secrete them
Why are O blood types referred to as blood type O
Because they don't have any A or B antigens
What type of endocrine stimuli corresponds to the example below?
Gonadotropin-releasing hormone secreted from the hypothalamus stimulates the release of luteinizing hormone from the anterior pituitary gland which results in the release of testosterone in the testes
Hormonal Stimuli
Slight but persistent blood loss can result in what?
Chronic hemorrhagic anemia
Where does blood go after it exits the pulmonary arteries?
Pulmonary circuit (lungs)
Your body is over-secreting the hormone cortisol. What disorder would this lead to?
Cushing's syndrome/disease
Why do some athletes blood dope?
EPO increases hematocrit increases O2 levels for stamina and performance
OR
Reinfused RBCs increase O2 levels for stamina and performance
How will your body compensate for the low blood calcium levels?
Increase parathyroid hormone
What triggers vascular spasms during hemostasis?
– Chemicals released by damaged endothelial cells and platelets
– Direct injury to vascular smooth muscle
– Pain reflexes
What anchors the cusps of AV valves to papillary muscles?
Chordae tendineae
You are being chased by a bear. The hormones that will be released in this situation come from what organ?
Adrenal Gland (Adrenal Medulla)
What is the difference between intrinsic and extrinsic pathways of blood clotting?
Intrinsic: Vessel endothelium rupture exposing underlying tissue
Extrinsic: Tissue cell trauma exposes blood