ah 3 Flashcards
(118 cards)
What is the command center of the endocrine system?
Hypothalamus
Which hormones are produced by the anterior pituitary?
- TSH
- ACTH
- LH
- FSH
- GH
- Prolactin
Which hormones are produced by the posterior pituitary?
- Oxytocin
- Vasopressin
What is homeostasis in the context of hormones?
Balance of hormone production
What condition is characterized by too little vasopressin?
Diabetes Insipidus
What are the clinical manifestations of diabetes insipidus?
- Excessive thirst
- Large volume of dilute urine
- Low urine specific gravity
- Signs/symptoms of dehydration
What tests are used for diagnosing diabetes insipidus?
- Blood and urine sodium
- Blood and urine osmolality
- Fluid deprivation test
- Trial desmopressin
What is the treatment goal for diabetes insipidus?
- Replace ADH
- Replace fluid
- Identify cause
What is a common nursing care action for diabetes insipidus?
Monitor fluid status
What is the syndrome of inappropriate antidiuretic hormone (SIADH)?
Excessive ADH secretion from the pituitary gland
What are the clinical manifestations of SIADH?
- Cannot excrete dilute urine
- Fluid retention
- Dilutional hyponatremia
- Signs/symptoms of volume overload
What is the key diagnostic test for hypothyroidism?
- High TSH
- Low T4
- Low T3
What is myxedema coma?
Persistently low thyroid production
What are the signs and symptoms of myxedema coma?
- Hypotension
- Bradycardia
- Hypothermia
- Edema
- Respiratory depression
- Severely altered LOC
What is hyperthyroidism?
Excessive secretion of thyroid hormones
What are the clinical manifestations of hyperthyroidism?
- Everything is increased
- Goiter
What medications are used to treat hyperthyroidism?
- Antithyroid medication
- Iodine solutions
- Beta blockers
What is a thyroid storm?
Severe form of hyperthyroidism
What are the signs of hyperparathyroidism?
- Kidney stones
- Bone demineralization
What is the treatment for hyperparathyroidism?
- Surgical removal of abnormal parathyroid tissue
- Give fluids
What are the signs of hypoparathyroidism?
- Tetany
- Chvostek’s sign
- Trousseau’s sign
What is Addison’s disease?
Adrenal glands do not produce enough cortical hormones
What are the signs and symptoms of Addisonian crisis?
- Hypoglycemia
- Hyperkalemia
- Hypotension
- Severe abdominal pain
What is Cushing’s disease?
Excessive adrenocortical activity or corticosteroid medication