Ap exam2

which of the following is a way hormones circulate in the blood stream

bound

which of the following peptide hormones is unbound

growth hormone

which division of the pituitary gland is made of neural tissue

neurohypophysis

which of the following is an exocrine gland

sweat gland

which type of hormone operates via a second messenger system

amino acid hormones

which hormone is the only positive feedback hormone

oxytocin

which of the following is not a peptide hormone

glucocorticoid

which type of hormone is steriod based

glucocorticoids

the hypothalamus only synthesizes and releases what types of hormones

releasing and inhibiting hormones

what is another name for peptide hormones

tropic hormones

which anterior pituitary hormone is stimulated by an increase in calcium levels in the blood

calcitonin

which gland has both endocrine and exocrine functions

pancreas

which pancreatic hormone is secreted by beta cells

insulin

which layer of the adrenal cortex produces gonadocorticoids

zona reticularis

what is the main responsibility of mineralocorticoids

regulate extracellular fluid and electrolyte concentration

what is the pH of blood

7.35-7.45

what is the average lifespan of red blood cells

110-120 days

what percentage of eosinophils are found in the bloodstream

2-4%

which type of cells attack parasitic worms

eosinophils

which of the following is not considered a granular leukyocyte

B-lymphocytes

______ is the localized process that stops bleeding & prevents blood loss

hemostasis

which of the following is a normal hemostasis event

thrombus

what is the first step in hemostasis

vascular spasm

what is an embolus

an unattached solid, liquid, or gas mass moving in the bloodstream

which type of mylocyte works via respiratory burst

neutrophils

what is the name of the largest vein in the body

vena cava

where does blood enter the heart

right atrium

which valve is semilunar

aortic

starting at the rigth ventricle, what are the next 4 locations that blood travels to

pulmonary valve- pulmonary artery- lungs- right and left pulmonary veins

what is the role of the sinoatrial node

pacemaker of the heart

what occurs during systole

contraction

what occurs during the Q-T time interval of the EKG

beginning of ventricular contraction through ventricular relaxation

where does atrial repolarization occur

inside the QRS complex