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45 Cards in this Set

  • Front
  • Back
if CCK is stimulated by fats and amino acids, what is its location and function
Duodenum and jejunum, increase pancreatic and bile secretions and decreases gastric emptying (slows flow down to improved SI digestion), relaxes sphincter of oddi
what syndrome is assocated with increase in gastrin
zollinger ellison syndrome
Secretin (from S cells) is stimulated by fatty acids and acid, where is it located and what is its function
located in duodenum, increases HCO3- secretion and bile secretion, decrease gastric acid secretion
what hormones will inhibit gastric acid secretion
GIP, somatostatin, secretin, PGs
what hormone increased to abnormal levels from the GI will cause copious diarrhea
VIP (VIPoma)
achalasia is related to what hormone
NO (you cannot relax the esophagus)
what cells release intrinsic factor
parietal cells
secretes alkaline mucus in duodenum and is the only duodenal submucosal
brunner's glands
what are the transporters of carbs out of the SI
GLUT 5, SGLT 1, GLUT 2
what vitamins are absorbed in duodenum, jejunum, and ileum
respectively: Fe+2, folate, B12 (in that order)
large mass in the neck
Goiter
young adult, women, related to eating habits and iodine use
goiter
what is the most common thyroid disease
goiter
what are the two types of goiter
simple (diffuse) and mutinodular goiter
how are the follicles changed in goiter
they are huge (see pictures)
what is the distinction between Graves disease and other hyperthyroid disease
Graves disease has a hyperfunctional thyroid, the other disease have a leakage of a non-hyperfunctional thyroid causing the increase in hormones
what is the most common cause of hyperthyroidism
diffuse hyperplasia of thyroid (graves disease)
what is the first organ to see the affects of hyperthyroidism
the heart: tachy, palpitations, cadiomegaly
case: Vietnam soldier was on a mission and continued to get palpitations, but the military docs didnt pay attention becaues he had ot finish the mission. months later, he as extreme exothalmus and the drs. finally recognized his disorder, but what was the consequence of waiting so long to get tx
cardiomegaly --> heart problems
caused by lithium use, TSH deficiency, autoimmune disease (hashimotos)
hypOthyroidism (primary and secondary)
TSH deficiency occurs when
post partum necrosis, trauma, pit tumor
cretinism
hypothyroidism in infancy or early childhood
impaired skeletal system and CNS, short stature, corase facial features, protuding tongue, wide set eyes
cretinism
myxedema
hypothyroidism in older child or adult
reduce CO, decrease SNS activity, skin cool and pale, deep voice, course hair, hair loass, mental sluggish
myxedema
severe pain or painless lateral neck
thryroiditis (acute)
inflammation of the thyroid
thyroiditis
pathogenesis of thryroditis
cellular & humoral factors contribute
- but 1° is defect in function of thyroid specific suppressor T-cells  CD4 helper T cells directed at the thyroid & production of autoantibodies
- may be a genetic component – HLA – DR5 & DR3
b
diffuse lymphocytic infiltrate with germinal centers in the thyroid
hashimoto (thyroiditis)
what increases your risk for B cell lymphoma
thyroiditis
granulomatous thyroiditis, diffuse
DeQuervain thyroiditis (less common than Hashimoto)
what is an example of a subacute thyroiditis
Granulomatous thyroiditis (DeQuervain)
pathogenesis of thyroiditis
viral, Coxsackievirus, measles, mumps etc
your pt presents with hyperthyroidism for a few weeks and then has hypothyroidism, what happened
thyroiditis (increase function then it burns out)
gland atrophy resulting in hypothyroidism, fibrosing process through the capsule, you cannot seem to palpate the gland
Riedel Thyroiditis
what are the 4 types of thyroid carcinomas
papillary (85%), follicular (<15%), medullary, anaplastic
Thyroglossal duct cyst
most common
a remnant of the tubular development of the thyroid
may present at any age – midline cyst or mass anterior to trachea
often significant lymphocyte infiltrate
rare transformation to ca
congenital thyroid lesions
what increase the release of PTH
decrease in the blood free ionized Ca2+
one of the most common endocrine disorder
hyperparathyroidism
what is the most common cause of hyperparathyroidism
parathyroid adenoma
high PTH (inappropriate to Ca 2+ levels), bone fractures, GI issues, depression, lethargy, renal issues,
parathyroid adenoma
test somes back with serum Ca 2+ very HIGH! what could this be
parathyroid carcinoma
what is the main cause of hypoparathyroidism (iatrogenic cause)
surgery
what is the common genetic cause of hypoparathyroidism
DiGeorges
Characteristic shortness of the 4th and 5th metacarpal bones
Characteristic of ***Albright hereditary osteodystrophy**** (p. 1189)
Short stature, obesity, mental retardation, subcutaneous calcification
Number of congenital anomalies of bone – esp. short metacarpals and metatarsals
psuedohypoparathyroidism