Pituitary And Adrenal Gland Problems Flashcards

0
Q

What does ACTH stand for

A

Adrenocorticotropic hormone

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1
Q

What are four hormones/steroids made by the adrenal gland?

A

Epinephrine
Norepinephrine
Aldosterone
Cortisol

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2
Q

What is sheehans syndrome?

A

Sheehans syndrome is hypopituitarism caused by excessive bleeding during child birth

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3
Q

What is the most common cause of hyperpituitarism?

A

Pituitary adenomas

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4
Q

Which gland secrets ADH?

A

Posterior pituitary gland

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5
Q

Three hormones secreted by anterior pituitary gland

A

ACTH
GH
PRL

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6
Q

What is the most common type of pituitary adenoma?

A

PRL secreting tumors

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7
Q

Deficiency of one or more anterior pituitary hormones results in what two things

A

Metabolic problems

Sexual dysfunction

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8
Q

What does panhypopituitarism mean?

A

Decreased production of all anterior pituitary hormones

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9
Q

What are the two life threatening hormone deficiencies?

A

ACTH

TSH

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10
Q

What three things does a deficiency in gonadotropins cause?

A

Infertility
Galactorrhea
Amenorrhea

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11
Q

Growth hormone stimulates the liver to produce what substance that aids in growth activity?

A

Somatomedins

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12
Q

Benign and malignant tumors, anorexia, shock, severe hypotension, head trauma, brain tumors or infection, and sheehans syndrome all cause what

A

Hypopituitarism

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13
Q

GH blocks action of what hormone

A

Insulin

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14
Q

Parlodel, Dostinex, Permax, Sandosatin, Somavert are drugs that can be given to

A

Stimulate dopamine receptors and inhibit GH and PRL

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15
Q

What are two ways (other than surgery and pills) that can treat gigantism?

A

Radiation

Gamma knife procedure

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16
Q

Diabetes insipidus is classified in what four categories?

A

Nephrogenic
Primary
Secondary
Drug related

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17
Q

A water metabolism problem is caused by a deficiency in what hormone? And for what two reasons

A

ADH, decrease in synthesis or inability of kidneys to respond appropriately

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18
Q

Most manifestations of diabetes insipidus are related to

A

Dehydration

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19
Q

Oral chlorpropamide and desmopressin therapy treat

A

Diabetes insipidus

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20
Q

SIADH can result in what? Who do you see this problem in?

A

Hyponatremia. People with pituitary problems and in heart failure

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21
Q

Recent head trauma, cerebrovascular disease, tb or other pulmonary diseases, cancer, all past and current drug use, and heart failure are causes of

A

SIADH

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22
Q

What are three therapies used for SIADH

A

Diuretics
Hypertonic solution
Demeclocycline

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23
Q

Cortisol is excreted by the adrenal glands in response to

A

ACTH

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24
ACTH and cortisol is essential to living because it regulates what three things?
Blood pressure Blood sugar Fluid volume status
25
Inadequate cortisol may decrease because of inadequate excretion of ACTH and what other two things
Dysfunction of hypothalamic-pituitary control mechanism | Direct dysfunction of adrenal tissue
26
ADH is regulated by
Serum osmolality
27
Vitiligo is seen in
Primary hypo-adrenal gland
28
Anterior, posterior, and lateral skull x rays may be used to view the
Sella turcica
29
MRIs w contrast are the most sensitive method of imaging this gland, can also use computed tomography
Pituitary
30
The thyroid, parathyroid, ovaries, and testes are evaluated using
Ultrasound
31
Pancreas, ovaries, and adrenal glands can be evaluated by
CT scans
32
These problems can change the patients behaviors, personality, perception of self, and psychological responses
Endocrine problems
33
If there is a disorder of the anterior pituitary gland because of problems in the hypothalamus, it's referred to as
Secondary pituitary dysfunction
34
A lower amount of hormone replacement therapy is used in the
Elderly
35
If this grows inside the brain causing compression on the tissue it can manifest visual changes, headache, and increased intracranial pressure
Adenoma
36
Suppression tests help diagnose
Hyperactivity
37
What is the most common treatment of hyperpituitarism
Hypophysectomy
38
ADH deficiency results in what type of urine
Dilute
39
A 24 hour fluid intake and output and analyzing specific gravity and osmolarity can diagnose an
ADH deficiency
40
Vasopressin is secreted even when plasma osmolarity is low or normal
SIADH
41
Interventions include restricted fluid intake, promoting excretion of water, replacing lost sodium, and interfering w the action of ADH
SIADH
42
Inadequate secretion of ACTH, dysfunction of the hypothalamic-pituitary control mechanism, or dysfunction of the adrenal gland can cause
Decrease in adrenocortical steroids
43
Acute adrenal insufficiency or Addisonian crisis is a life threatening event in which the need for
Cortisol is greater than the available supply
44
Anorexia, nausea, vomiting, diarrhea, abdominal pain, and weight loss are manifestations of
Acute adrenal insufficiency
45
Lab findings are low serum cortisol, low fasting blood glucose, low sodium, elevated potassium, increased serum blood urea nitrogen levels
Acute adrenal insufficiency/Addison's disease
46
Nursing interventions for adrenal deficiency include (3)
Promote fluid balance Monitor for fluid deficit Prevent hypoglycemia
47
Hypercortisolism, Cushing's disease, hyperaldosteronism, and excessive androgen production are all names for
Hyper secretion of the adrenal cortex
48
The most common cause of Cushing's disease is
Pituitary adenoma
49
Physical changes include fat pads on the neck, back, and shoulders; enlarged trunk with think arms and legs and a round face
Cushing's disease
50
Lab tests for cortisol can be checked in the
Blood, urine, and saliva
51
A major objective for the patient with hypercortisolism is protection from
Infection
52
Primary hyperaldosteronism is also called
Conns syndrome
53
Conns syndrome (hyperaldosteronism) usually is caused by
Adrenal adenoma
54
Secondary hyperaldosteronism is caused by
High levels of angiotensin II
55
What are the two biggest problems associated w hyperaldosteronism
Hypokalemia and elevated blood pressure
56
Surgery of the adrenal gland cannot be done until what levels are normal?
Potassium
57
Catecholamine producing tumor that arises in the adrenal medulla and produces, stores, and releases epinephrine and norepinephrine
Pheochromocytoma
58
Manifestations include intermittent episodes of hypertension, headaches that last for a few minutes to several hours, palpitations, produce diaphoresis, flushing, apprehension, chest pain, vomiting, or a sense of impending doom
Pheochromocytoma
59
What do you not do in a patient with Pheochromocytoma
Palpate the abdomen
60
The most common diagnostic test for a Pheochromocytoma is a
24 hour urine collection