Hormones
What type of hormone is cholesterol based and hydrophobic?
Steroid Hormones
The body’s ability to develop and maintain a stable, internal environment.
Homeostasis
What is plasma mostly comprised of?
Water
What are the names of the four chambers of the heart?
Left atrium, right atrium, left ventricle, and right ventricle
What is the first wave on an ECG called?
P wave
What type of hormone has other endocrine glands as their target?
Tropic Hormones
In what two ways are hormones transported through the body?
Free and bound
Name the three granulocytes
Neutrophils, eosinophils, and basophils
What are the three layers of heart tissue?
Endocardium, myocardium, and epicardium
What does the R-R interval represent?
One heartbeat
Where are ADH and oxytocin released from?
Posterior Pituitary Gland
What type of tissue makes up the posterior pituitary?
Nervous
When hemoglobin bind with carbon dioxide, what is it called?
Carbaminohemoglobin
How does the SA node regulate sinus rhythm?
It has the fastest depolarization rate of the three
What is occurring during the QRS complex?
Ventricular depolarization and atrial repolarization
What are the target cells for the growth hormone?
Liver, muscle, bone, cartilage, and adipose
What are trophic hormones?
Hormones that induce growth in target cells
What is the lifespan of a red blood cell?
120 days
What is the purpose of the effective refractory phase?
To ensure the heart doesn’t beat too fast by ensuring the ventricles have time to fill with blood and increasing the strength of the contraction
What is ischemia?
A restriction of blood supply to tissues, causing a shortage of oxygen needed for cellular metabolism
What are the two gonadotropins released by the gonadptropin-releasing hormone?
LH and FSH
What hormones do they posterior pituitary make?
None (:
What two protein clotting factors are activated in the extrinsic pathway?
VII and X
What regulates the electric activity of myocytes?
Pacemaker Cells
How would tachycardia show on an ECG?
More waves with little to no breaks between heartbeats