A&P 2 Quiz 1
The average functional lifespan of an RBC is
10-120 days
What gland releases catecholamines?
Adrenal Medulla
Which of these anterior pituitary hormones regulates the endocrine activity of the cortex region of the adrenal gland?
Adrenocorticotropic Hormone
Transport proteins tthat bind to lipids, metal ions, and fat-soluble
Alpha and beta globulin
Releasing and Inhibiting hormones produced by the hypothalamus influence the activities of the __________.
Anterior pituitary gland
Which hormone causes the kidneys to reabsorb more water from forming urine and as a result, increase blood volume?
Antidiuretic Hormone
A person with type B blood can receive blood from blood types
B, O
Contains a U or S shaped nucleus; granules stain very dark; releases histamine and heparin
Basophil
The second-messenger mechanism of hormone action operates by
Binding to specific receptors and employing the services of G proteins and cAMP
Which blood type contains the A antigen only?
Blood type A
Nucleus has two lobes; contains granule sof lysosomal enzymes, functions in attacking parastitic worms
Eosinophil
Transports CO2and oxygen
Erythoctye
Which hormone is produced by the kidneys to stimulation production of red blood cells by the bone marrow?>
Erythropoietin
What two groups of steroid hormones are made by female ovaries?
Estrogens and Progesterone
Necessary for coagulation
Fibringen
Antibodies released by plasma cells during immune respose
Gamma globulin
Beta is to
Insulin
Beta cells of the pancreatic islets produce a hormone know as________ while alpha cells produce a hormone known as ______?
Insulin; Glucagon
The pineal gland produces?
Melatonin
Which hormone appears to play an important role in establishing the body's sleep-wake cycle?
Melatonin
Largest of the WBC's crucial in defense against viruses; associated with chronic infections
Monocytes
Nucleus is multilobed; functions as a phagocyte; contains fine indistinct grnaules
Neutrophil
The hypothalamus makes two hormones, _________ and ________, that are stored by the posterior pituitary?
Oxytocin; Antidiuretic Hromone
Where is calcitonin made?
Para follicular cells of the thyroid gland
Which organs does not produce horomones
Spleen
The pituitary hormone that triggers the release of thyroid hormone from the thyroid gland is
TSH
Cells that respond to a hormone are called _______ cells
Target
The body's major metabolic hormone, which is actually two iodine-containing hormones, is called?
Thyroid Hormone
Select the statement that best describes the function of tropic hormones?
Tropic Hormones stimulate other endocrine glands to secrete horomones.
After a steroid hormone binds to its receptor to form an active complex
a gene transcriptions is initiated
The most important mineralcorticord regulator of electrolyte concentrations in extracellular fluids is?
aldosterone
steroid hormones
bind to receptors in the nucleus of their target cells
The major targets of growth hormones are
bones and skeletal muscles
What is the final step of hemostatis in wich the formation of a blood clot is accomplished
coagulation
which formed element is the most abundant in blood
erythroctye
The two major groups of white blood cells are
granulocytes and agranuloctyes
Alpha is to
gulcagon
The percentage of erthroctyes in blood is known as the
hematocrit
What stem cell gives rise to all formed elements
hemocytoblast
What is necessary for the transport of oxygen by an ertyhroctyes?
hemogoblin
The coindition in which maternal antibodies cross the placenta and destroy the baby's RBC is called
hemolytic disease of the newborn
Several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. The mechanism of transportation from hypothalamus to anterior pituitary gland is through
hypophyseal portal system
Gamma globulins deals with
immune resposne
Erthocytes
lack a nucleus and most organelles
A recent blood test shoes that Mr. Jimenez total WBC count exceeded 11,0000 cell/mm3. What is the most likely his condition?
leukocytosis
Which of the following cells are classified as granulocytes
neutrophils, eosinophils, and basophils
If you cary the RH antigen, you are refferfed to as RH
postive
Where does hematopoises occur to produce new red blood cells?
red bone marrow
When a catecholamine or peptide hormone binds to receptors on the surface of a cell, the
second messenger appears in the cytoplasm
Virtually all of the protein or amino acid-based hormones exert their effects through intracellular
second messengers
ACTH
secretion is regulated by a hypothalamic regulatory hormone
Alpha and beta globulins deleas with
transporting protein that bind to lipds; metal ions, and fat-soluble vitamins.