Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
129 Cards in this Set
- Front
- Back
what makes PTH? |
chief cells in the Parathyroid gland |
|
Collagen found in bone |
collagen type 1 |
|
Collagen found in cartilage |
Collagen type 2 |
|
paraventricular nucleus |
oxytocin and vasopressin |
|
what produces oxytocin |
paraventricular nucleus |
|
what produces ADH |
supraoptic nucleus and the paraventricular nucleus |
|
supraoptic nucelus |
produces ADH |
|
what does the adenohypophysis drain into |
anterior pituitary drains into the portal hypophysial blood vessels |
|
leuprolide |
GnRH agonist
used to treat prostate cancer |
|
Goserelin |
GnRH agonist
used to treat prostate cancer |
|
Degarelix |
GnGH antagonist
used to treat prostate cancer |
|
Somatropin |
GnRH agonist
used to treat dwarfism
|
|
Mecasermin |
recombinant IGF-1
used to treat pituitary dwarfism
a little dwarf in a meca-suit
|
|
octreotide and lanreotide |
somatostatin agonist
used to treat gigantism or acromegaly |
|
pegvisomant |
growth hormone receptor antagonist |
|
Risperidone |
antipsychotic drug that inhibits doapmine release and can cause hyperprolactinemia |
|
which hormones are produced by the anterior pituitary |
GH, ACTH, TSH, FSHm LH, and prolactin
adrenocorticotropic hormone |
|
Somatotropin |
Growth Hormone |
|
Basophilic hormones |
B-FLAT
FSH, LH, ACTH, TSH |
|
what do alpha, beta, and delta pancreatic cells secrete |
alpha- glucagon beta- insulin delta- somatostatin (growth hormone release inhibiting hormone) |
|
Nelson syndrome |
rapid enlargement of a pituitary adenoma that occurs after the removal of both adrenal glands, which causes cushing's syndrome
seen in corticotroph cell adenoma |
|
Sheehan's Syndrome |
postpartum necrosis of anterior pituitary due to post-partum hemorrhage, DIC, sickle cell anemia, trauma or shock |
|
patient presents with cushing-like symptoms but decreased ACTH levels |
the cause is the adrenal gland.
high ACTH suggests there is a problem with the pituitary or an ectopic source (SCC) pumping out ACTH leading to disease. low ACTH levels tell us the adrenal gland is pumping out excess cortisol on its own. |
|
Familial AD supernumerary copies of the N-myc oncogene on chromosome 1 |
Adrenal neuoblastoma |
|
describe the axis for the release of cortisol |
Hypothalamus secretes Corticotropin releasing hormone (CRH) --> anterior pituitary releases ACTH --> adrenal cortex releases cortisol |
|
compare primary to secondary adrenal insufficiency |
primary- low cortisol and aldosterone
secondary- decreased ACTH secretion but no loss of aldosterone |
|
Orphan Annie Eyes |
Papillary Carcinoma of the Thyroid |
|
Psammoma |
calcifications seen in: 1. papillary carcinoma of the thyroid 2. papillary carcinoma of the ovary 3. meningioma of the brain |
|
one parathyroid gland is enlarged
all glands are enlarged |
parathyoid adenoma
parathyroid hyperplasia |
|
endocrine disease often associated with chronic renal failure |
parathyroid hyperplasia |
|
patient presents with decreased libido, moderately obesity, gynocomastia or galactorrhea |
Prolactinoma? |
|
Patient presents with amenorrhea, galactorrhea, decreased libido, and infertility
tests, diagnosis, treatment |
test- check prolactin levels
Dx- prolactinoma
Rx- Cabergoline or Bromocriptine
"losing your libido and milk will make you less of a bro and more crabby" |
|
treatment for prolactinoma |
Cabergoline and bromocriptine
"losing your libido and mil will make you less of a bro and more crabby" |
|
what is the most common functional pituitary tumor |
prolactinoma |
|
insulin induced hypoglycemia test is abnormal |
gold standard in the diagnosis of Growth Hormone Deficiency (GHD)
when insulin is administered the GH should increase to counteract it, but here we have a GH deficiency |
|
abnormal glucose suppression of GH test |
GH excess (acromegaly or gigantism)
normally when glucose is given we want less less GH (it is the opposite of insulin), but here we have an excess of GH |
|
best treatment for GH excess |
pituitary surgery
if that doesn't work then Octreotide (somatostatin receptor ligand- GH release inhibitor) |
|
Octreotide |
(somatostatin receptor ligand- GH release inhibitor) |
|
patient is given ACTH and there is no rise in cortisol levels |
primary or secondary adrenal insufficiency |
|
most common cause of hypopituitarism? |
pituitary tumors |
|
most pituitary tumors are non-functioning or functioning
|
functioning |
|
long-term vs short-term mortality from hypopituitarism |
LT- CVD
ST- Lack of cortisol |
|
when people stop taking their glucocorticoids, it is the most common cause of what? |
secondary adrenal insufficiency and hypoadrenal crisis
they need to take their drugs so they will have cortisol or they could die |
|
treatment for ACUTE primary hypoadrenalism |
cortisol, fluid, glucose hydrocortisone Florinef |
|
treatment for CHRONIC primary hypoadrenalism |
hydrocortisone Florinef |
|
patient presents with easy bruising, facial plethora, proximal myopathy, redish violaceous striae |
Cushing's |
|
Cushing's disease and dexamethasone suppresses serum cortisol |
Pituitary disease- because the problem is in the pituitary, not the adrenal, which will respond to dexamethasone by decreasing cortisol production |
|
Cushing's disease and dexamethasone does NOT suppress serum cortisol |
adrenal disease- we do not suppress cortisol because the problem is in the adrenals which produce the cortisol
could also be ectopic ACTH/CRH |
|
pheochromocytoma and symptoms |
tumor of the adrenal medulla that produces catecholamines (epinephrine, norepinephrine, dopamine)
hyPertension, head Pain (headache), Palipitations, Perspiration, Pallor
|
|
Neuroma phenotype of MEN 2 |
pheochromocytoma |
|
effect on calcium levels in serum:
1. acidic environment 2. alkalemic environment |
1. increased ionized free calcium 2. decreased ionized free calcium |
|
GLUT 4 |
adipose tissue and skeletal muscle
reduced in type 2 diabetes |
|
intranuclear inclusions |
characteristic of papillary carcinoma |
|
psammoma body |
papillary carcinoma of the thyroid papillary carcinoma of the ovary meningioma |
|
orphan annie eyes |
papillary carcinoma of the thyroid
ground glass appearance of nuclei |
|
ground glass appearance of nuclei |
papillary carcinoma of the thyroid |
|
high calcitonin secreteing tumr |
medullary thyroid carcinoma |
|
most common cause of cushing's |
exogenous- we need to rule it out |
|
Cushing disease vs syndrome |
disease means there is pituitary hypersecretion
syndrome means there is any other cause |
|
diabetic ketoacidosis is suggestive of what? |
characteristic of type 1 diabetes |
|
Howship's lacunae |
formed by osteoclasts as they break down bone |
|
what is unique to cortical bone |
Volkman's canals |
|
Alendronate |
Bisphosphonate- used to treat osteoporosis
reduces hip fractures
|
|
Risedronate |
Bisphosphonate- used to treat osteoporosis
reduces vertebral fractures |
|
Reclast |
Bisphosphonate- used to treat osteoporosis
3 year risk reduction of vertebral fractures |
|
managing the intake of what is the primary strategy for achieving glycemic control |
carbohydrates |
|
give three examples of carbohydrates |
grains, fruit/juice, milk/yogurt |
|
GAB |
marker for type 1 diabetes- beta cell death |
|
what are the three ketone bodies |
aceto-acetate acetone B-hydroxybutyrate |
|
which ketone body does not go to the brain or heart |
acetone |
|
treatment of decompensated diabetes |
must replace insulin |
|
primary factor in diagnosis of metabolic syndrome |
waist circumference |
|
Wolff-Chaikoff Effect |
high levels of iodine in the blood cause decreased synthesis of thyroid hormone |
|
D1 vs D2 vs D3 |
D1: reverseT3 --> T4 --> T3 (plasma T3 production) Increases hyperthyroidism
|
|
Thyroidoxicosis |
hyperthyroidism |
|
what is a secondary cause of hyperthyroidism |
TSH-secreting pituitary adenoma |
|
most useful screening test for hyperthyroidism |
TSH |
|
most common cause of hyperthyroidism |
Grave's disease |
|
Diffuse Toxic hyperplasia |
Grave's Disease
autoantibody stimulates TSH receptors and leads to release of thyroid hormone |
|
patient is mentally retarded, has short stature, coarse facial features, and a protruding tongue |
cretinism |
|
MEN 2A and 2B |
pheochromocytoma |
|
patient presents with an enlarged thyroid shortly after a viral infection |
Subacute granulomatous (de Quervain) thyroidits |
|
antithyroid microsomal antibody test |
Hashimoto thyroiditis |
|
what can get into the airway and mimic anaplastic carcinoma |
Riedel thyroiditis |
|
what frequently metastasizes to the lateral lymph nodes of the neck |
papillary carcinoma |
|
during surgery one parathyroid gland is found to be larger than the rest, what is the diagnosis |
Parathyroid adenoma |
|
which thyroiditis is very hard- "hard as wood" |
Riedel fibrosing thyroiditis |
|
55 year old man presents with deepening of the voice and large tongue |
myxedema |
|
what is the most often used thyroid hormone and what is it? |
Levothyroxine
pure synthetic T4, so it has a slower onset and longer duration. |
|
methimazole |
antithyroid drug
inhibits thyroid peroxidase- blocks thyroid hormone synthesis |
|
Sodium iodide 131-I is used as a cure for what? |
hyperthyroidism Grave's disease |
|
alendronate |
bisphosphonate
used to treat osteoporosis by inhibiting osteoclast activity, decreasing bone resorption
SE- osteonecrosis of the jaw and atypical femur fractures |
|
Risedronate |
intermittent bisphosphonate |
|
Zoledronic acid |
intermittent bisphosphonate |
|
Denosumab |
anti- RANK antibody- stops osteoclast activation
used to treat osteoporosis |
|
Teriparatide |
PTH hormone
activates osteoclasts to resorb bone, which causes it to grow back fuller
only drug that causes bone anabolism |
|
if TSH is high on a serum sensitive TSH assay suspect what? |
suspect hypothyroidism |
|
if TSH is low on a serum sensitive TSH assay suspect what? |
suspect hyperthyroidism |
|
antithyroid peroxidase antibodies present |
Hashimoto's thyroiditis |
|
high TSH, low free T3 and free T4 |
hypothyroidism |
|
I-123 |
used to test for hyperthyroidism
not for radioablation |
|
cold intolerance constipation facial puffiness hair loss dry skin |
Hypothyroidism |
|
when hypothyroidism is severe what can occur |
Myxedema |
|
Hashimoto's is hyper or hypothyroidism |
Hypothyroidism or more correctly it is thyroiditis |
|
Hypothyroidism (4 examples) |
-Hashimoto's (iodine sufficient; antibodies) -Congenital hypthyroidism (cretinism) -Subacute thyroiditis (de Quervain)- usually following the flu -Riedel Thyroiditis (thyroid replaced by fibrous tissue) |
|
what is the main factor that predict s the progression of subclinical hypothyroidism to overt hypothyroidism |
the presence of antithyroid antibodies |
|
how do we treat subclinical hypothyroidism |
thyroxine (T4) |
|
low TSH, high free T3 and free T4 |
hyperthyroidism |
|
hyperthyroidism with high radioiodine uptake |
goiter
toxic nodule or multinodular goiter |
|
iodine-131 |
radio ablation |
|
pemberton sign |
you life your hands above your head and the goiter cuts off flow out your head- face turns red |
|
Goiter:
Is it hyperfunctioning?
|
• Toxic multinodular goiter |
|
what is the major incretin hormone |
Glucagon-like protein 1 (GLP)
it increases calcium levels in beta cells- stimulating insulin release |
|
compare GLUT 1-4 |
o GLUT 1- all tissues (basal glucose uptake)
|
|
C peptide |
o Proinsulin contains a C-peptide, but mature insulin does not.
|
|
insulin upregulates which GLUT transporter |
GLUT 4
on skeletal muscle and adipocytes |
|
insulin enters beta cells via which GLUT |
GLUT 2 |
|
what infection may trigger type 1 diabetes |
Coxsackie B4 virus |
|
patient presents with fruity smelling breath |
diabetic ketoacidosis |
|
amyloid deposits in the pancreatic islets |
type 2 diabetes |
|
patient presents with high insulin, low glucose, and high C peptide |
Insulinoma |
|
treatment-resistant peptic ulcers |
Insulinomas |
|
achlorhydria |
low stomach acid |
|
what is the drug of choice for type 2 diabetes and how does it work? |
Metformin
decreases gluconeogenesis and fatty acid oxidation in the liver |
|
patient presents with dermatitis, oral lesions, and abnormal amino acid levels |
Glucagonoma- tumor of the alpha cells of the pancreas |
|
what is the leading cause of blindness in adults |
diabetes |
|
patient presents with tremor, tachycardia, anxiety, sweating, flushing, abnormal mentation, headache, hypothermia, comvulsions |
Hypoglycemia |
|
what drugs block the post prandial rise in glucagon |
GLP-1 agents (Exenatide)
DPP-4 inhibitors |
|
what drug blocks glucose uptake in the intestines |
Acarbose |