pituitary, thread, parathyroid, and adrenal disorders Flashcards
Anterios pituitary gland secretes (6)
- growth hormone (GH),
- thyroid-stimulating hormone (TSH),
- adrenocorticotropic hormone (ACTH)
- gonadotropins (follicle-stimulating hormone [FSH]
- luteinizing hormone [LH])
- prolactin (PRL).
GH must be administered before the ____ are fused.
epiphyses
What can happen with prolonged GH therapy?
Prolonged GH therapy can antagonize insulin secretion and eventually cause diabetes mellitus.
What is somatropin used for?
Somatropin is a growth hormone used to treat growth failure in children because of GH deficiency. Somatropin is a product that has the identical amino acid sequence as human growth hormone (HGH).
When is somatropin contraindicated in patients?
Prader-Willi syndrome and are severely obese or who have severe respiratory impairment
What can cause gigantism and acromegaly?
GH hypersecretion and are frequently caused by a pituitary tumor.
posterior pituitary gland, known as the _____, secretes _____ and ___.
neurohypophysis
antidiuretic hormone (ADH)
oxytocin
What does ADH do?
ADH promotes water reabsorption from the renal tubules to maintain water balance in the body fluids.
What is diabetes insipidus (DI)?
When there is a deficiency of ADH, large amounts of water are excreted by the kidneys. This condition, called diabetes insipidus (DI), can lead to severe fluid volume deficit and electrolyte imbalances.
DI treatment
ADH replacement, vasopressin, desmopressin acetate
syndrome of inappropriate antidiuretic hormone (SIADH) is
An excessive amount of water retention expanding the intracellular volume
What is the treatment for SIADH?
fluid restrictions, hypertonic saline, or by drugs such as demeclocycline, conivaptan, and tolvaptan.
The adenohypophysis secretes______ in response to ________from the hypothalamus.
thyroid-stimulating hormone (TSH)
thyroid-releasing hormone (TRH)
Excess ___ secretion can cause hyperthyroidism, and a ___ deficit can cause hypothyroidism.
TSH
__________ is the drug of choice for replacement therapy for the treatment of primary hypothyroidism. It increases the levels of T4 and metabolically is deiodinated to T
Levothyroxine sodium