Adrenal & Thyroid Disorders Flashcards

1
Q

The adrenal cortex is the outer part of the adrenal gland. It secretes more than 50 steroid hormones, which are classified as ______, ______, and ______.

A

Glucocorticoids

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2
Q

Catacholamines are ______ that are released as a response to stress that include epinephrine (75%), norepinephrine (25%), and dopamine (?)

A

Mineralocorticoids

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3
Q

The term ______ refers to any of the hormones synthesized by the adrenal cortex.

A

Neurotransmitters

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4
Q

The glucocorticoid cortisol (Hydrocortisone) helps maintain vascular integrity and fluid volume. It also helps regulate blood glucose concentration but is mainly given to patients for its ______ properties.

A

Anti-inflammatory

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5
Q

______ is a mineralocorticoid that maintains extracellular fluid volume by promoting reabsorption of sodium, excretion of potassium and hydrogen.

A

Aldosterone

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6
Q

Androgens like dehydroepiandosterone (DHEA) play a role in ______ growth and development.

A

Pubertal

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7
Q

Cushing syndrome is a spectrum of clinical abnormalities caused by an excess of ______.

A

Corticosteroids

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8
Q

The ______ form is created by excessive production of ACTH (Cushings disease).

A

Pituitary

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9
Q

The ______ form is caused by excessive cortisol secretion from benign or malignant adrenal tumors.

A

Adrenal

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10
Q

The ______ form is caused by an ACTH secreting tumor from carcinoma of the long, G.I. tract, or pancreas.

A

Non-Pituitary

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11
Q

Cushing syndrome can result from high doses of ______.

A

Corticosteroids

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12
Q

The primary goal for treatment of Cushing’s is to ______ hormone secretion. This can be done by drug treatment, ______ if the cause is by adrenal type, ______ resection or radiation therapy if it is caused by a pituitary adenoma, removal of tumor if it is caused by an ectopic ____ secreting tumor, or a change or discontinuation in exogenous ______ therapy.

A
Normalize
Adrenalectomy
Transsphenoidal
ACTH
Corticosteroid
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13
Q

Adrenocortical insufficiency (in which all three classes of adrenal corticosteroids is reduced) from a primary cause is known as ______ disease.

A

Addison’s

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14
Q

The most common cause of this disease is an ______ response. Other causes include TB, infarction, fungal infections (histoplasmosis), AIDS, and metastatic cancer.

A

Autoimmune

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15
Q

A disorder of the ______ system results and secondary adrenocortical insufficiency. This disorder causes a lack of pituitary ACTH secretion (glucocorticoids and androgens low and mineralocorticoids normal)

A

Hypothalamus-Pituitary-Adrenal (HPA)

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16
Q

Clinical manifestations of Addison’s include…

A

weakness, fatigue, weight loss, anorexia, skin hyperpigmentation, hypotension, hyponatremia, hyperkalemia, nausea, vomiting, and diarrhea

17
Q

Normal actions of steroids include ______ properties, hepatic ______, stimulate lipolysis, mobilize glycerol and free fatty acids, protein ______, androgenic effects, mineralocorticoid effects.

A

Antiinflammatory

Gluconeogenesis

Catabolism

18
Q

Diagnostic tests for Cushing’s include ______ status, plasma ______ and ______ levels (loss of diurnal variation), 24 hour urine for free cortisol, ______ suppression test, and CT/MRI if tumor is suspected.

A

Cortisol

ACTH

Dexamethasone

19
Q

Clinical manifestations of cushing syndrome include…

A

Emotional disturbance, moon face, osteoporosis, cardiac hypertrophy, buffalo hump, obesity, adrenal tumor, wrinkled skin, abdominal striae, amenorrhea, muscle weakness, purpura, skin ulcers

20
Q

Addisonian crisis is triggered by ______. Causes may include infection, surgery, trauma, hemorrhage, psychiatric, sudden withdrawal of corticosteroid hormones, post adrenal surgery, sudden pituitary gland destruction

A

Stress

21
Q

Hormone replacement for Addison’s include ______ replacement(⅔ in morning and ⅓ in the afternoon), a ______ in the morning, and ______ additives may be needed for excess heat or humidity.

A

Glucocorticoid

Mineralocorticoid

Salt

22
Q

A ______ is a tumor of the adrenal medulla that causes excessive secretion of ______. This tumor is rare, happens at any age, is not gender specific, and usually benign.

A

Pheochromocytoma

Catecholamines

23
Q

Clinical manifestations of a pheochromocytoma include (the classic triad) severe pounding ______, ______, profuse ______. Attacks maybe provoked by medications (antihypertension, opioids, contrasts, tricyclic antidepressants)

A

Headache

Tachycardia

Sweating

24
Q

Diagnostic studies included a 24 hour urine for ______ and CT/MRI for tumor localization.Treatment with adrenalectomy, meds to decrease catecholamine production, HTN sympathetic blocking agents or calcium channel blockers, monitoring BP and glucose.

A

Catecholamines

25
Q

HYPERTHYROIDISM VERSUS HYPOTHYROIDISM

  1. Thyroid size
  2. Neuromuscular
  3. Opthalmologic
  4. Gastrointestinal
  5. Dermatologic
  6. Cardiovascular
  7. Menstrual
A

Hyperthyroidism: enlarged thyroid, muscle weakness, tremors, sleep disturbances, irritability, nervousness, heat intolerance, lid lag, stare, eyeball protrusion, weight-loss, frequent bowel movements, warm moist smooth skin, tachycardia, scant menses
Hypothyroidism: enlarged thyroid, muscle cramps, fatigue, depression, memory impairment, cold intolerance, periorbital edema, weight gain, constipation, dry skin, brittle nails, dry coarse hair, bradycardia, heavy menses

26
Q

______ disease is a multisystem autoimmune disease of unknown etiology that includes thyroid enlargement, increased production of thyroid hormone, and exophthalmos (eyeball protrusion)

A

Graves

27
Q

Treatment of hyperthyroidism includes anti-thyroid medication ______ (Propylthiouracil PTU, Methimazole TAPAZOLE), ______ (SSKI), and ______, radioactive ______, and surgery which is indicated for a thyroid _____ (complications of surgery include laryngeal nerve damage, parathyroid gland damage)

A
Thioamides
Iodine
B-Blockers
Iodine
Storm
28
Q

Hypothyroidism can be classified as ______ which includes abnormality of the thyroid gland itself, ______ which is damage to the thyroid gland or malfunction of the pituitary gland, and ______ which is the malfunction of the hypothalamus.

A

Primary
Secondary
Tertiary

29
Q

Hashimoto’s disease is autoimmune ______.

A

Thyroiditis

30
Q

______ sign is a facial muscle spasm when the face is tapped below the temple.

A

Chvostek’s

31
Q

______ sign is a carpal spasm when arterial circulation is interrupted by applying a blood pressure cuff and pumping it above the systolic pressure for three minutes.

A

Trousseau’s