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NURS212 Exam 2 > L5: Corticosteroids & Analgesics > Flashcards

L5: Corticosteroids & Analgesics Flashcards

1
Q

What are the two distinct parts of the adrenal gland?

A

The adrenal gland consists of the adrenal cortex and the adrenal medulla.

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2
Q

What hormones are secreted by the adrenal medulla?

A

The adrenal medulla secretes catecholamines, specifically epinephrine and norepinephrine.

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3
Q

What is the primary function of the adrenal cortex?

A

The adrenal cortex secretes corticosteroids, which are steroid hormones.

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4
Q

What hormones are secreted by the adrenal cortex?

A

The adrenal cortex secretes corticosteroids, specifically glucocorticoids.

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5
Q

What are glucocorticoids?

A

Glucocorticoids are a type of corticosteroid produced by the adrenal cortex.

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6
Q

How are corticosteroids stored?

A

Corticosteroids are synthesized as needed and are not stored in the body.

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7
Q

What regulates the levels of corticosteroids?

A

The levels of corticosteroids are regulated by the hypothalamic-pituitary-adrenal axis.

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8
Q

What is Cushing’s Syndrome?

A

Cushing’s Syndrome is caused by the oversecretion of adrenocortical hormones, leading to redistribution of body fat.

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9
Q

What are the symptoms of Cushing’s Syndrome?

A

1) redistribution of body fat from the arms and legs to the face, shoulders, trunk and abdomen, called ‘moon face’.
2) Increased retention of water and sodium

(caused by ACTH secreting
tumor or by excess use of steroids.)

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10
Q

What is Addison’s disease?

A

Addison’s disease is caused by the under secretion of adrenocortical hormones

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11
Q

What is the mechanism of action of most corticosteroids?

A

Most corticosteroids exert their effects by modifying enzyme activity.

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12
Q

What are some indications for glucocorticoids(11)?

A

1) bacterial meningitis
2) cerebral edema
3) collagen diseases
4) organ transplantation.
5) dermatologic diseases
6) endocrine disorders
7) leukemia and lymphoma
8) GI diseases
9) asthma
10) hematologic disorders
11) ophthalmic disorders

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13
Q

How can glucocorticoids be administered(3)?

A

1) inhalation
2) nasally
3) topically.

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14
Q

What are some contraindications for corticosteroids(3)?

A

1) drug allergies
2) serious infections
3) cautious use in patients with gastritis or diabetes.

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15
Q

What are some common adverse effects of corticosteroids(3)?

A

1) hyperglycemia
2) hypertension
3) mood swings.

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16
Q

What interactions can occur with corticosteroids?

A

Corticosteroids can interact with non-potassium-sparing diuretics and NSAIDs, increasing the risk of adverse effects.

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17
Q

What is prednisone commonly used for?

A

anti-inflammatory or immunosuppressant purposes.

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18
Q

What is methylprednisolone (Solumedrol)?

A

Methylprednisolone is the most commonly used injectable glucocorticoid, primarily for anti-inflammatory purposes.

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19
Q

What is dexamethasone (Decadron)?

A

Dexamethasone is a synthetic corticosteroid used to treat inflammation and allergic conditions.

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20
Q

How are corticosteroids regulated in the body?

A

Corticosteroids are regulated by the hypothalamic-pituitary-adrenal axis.

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21
Q

What triggers the release of adrenocorticotropic hormone (ACTH)?

A

Corticotropin-releasing hormone is released from the hypothalamus when corticosteroid levels are low.

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22
Q

Adrenal cortex is made up of

A

endocrine tissue (hormone
driven)

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23
Q

Adrenal medulla is made up of

A

neurosecretory endocrine
tisue (hormone and peripheral
autonomic nerve impulses)

24
Q

What happens when the level of a particular corticoid steroid is low?

A

Corticotropin-releasing hormone is released from the hypothalamus into the bloodstream and travels to the
anterior pituitary gland.

25
Q

Where is ACTH transported & What does it stimulate?

A

ACTH is transported in the blood to the adrenal cortex where stimulates the production of corticosteroids.

26
Q

Name three glucocorticoids.

A

1) Methylprednisolone (Solumedrol)
2) Dexamethasone (Decadron)
3) Prednisone (Deltasone)

27
Q

What do glucocorticoids affect?

A

metabolism of carbohydrates, fats, and proteins.

28
Q

What is one of the functions of glucocorticoids?

A

Glucocorticoids inhibit or help control inflammatory and immune responses.

29
Q

Glucocorticoids are administered by which routes

A

1) By inhalation for control of steroid-responsive bronchospastic states
2) Nasally for rhinitis and to prevent the recurrence of polyps after surgical removal
3) Topically for inflammations of the eye, ear, and skin
4) injection and IV

30
Q

What interactions do corticosteroids have with non–potassium-sparing diuretics?

A

Corticosteroids can lead to severe hypocalcemia and hypokalemia when used with non–potassium-sparing diuretics (e.g., thiazides like Hydrochlorothiazide, loop diuretics like Lasix).

31
Q

How do corticosteroids interact with NSAIDs and ulcerogenic drugs?

A

Corticosteroids produce additive gastrointestinal effects with aspirin, NSAIDs, and other ulcerogenic drugs, increasing the chance of gastric ulcer development.

32
Q

What is the effect of corticosteroids on immunizing biologics?

A

Corticosteroids can inhibit the immune response when given in combination with immunizing biologics, increasing the risk for infection.

33
Q

How do corticosteroids affect antidiabetic drugs?

A

Corticosteroids can reduce the hypoglycemic effect of antidiabetic drugs, resulting in elevated blood glucose levels.

34
Q

CORTICOSTEROIDS INTERACT with(4):

A

1) Non–potassium-sparing diuretics (e.g., thiazides
-Hydrochlorothiazide, loop diuretics -Lasix)
2) Aspirin, other nonsteroidal antinflammatory drugs (NSAIDs),
and other ulcerogenic drugs
3) Immunizing iologics
4) Antidiabetic drugs

35
Q

PREDNISONE (Deltasone)
route, uses

A

1) oral glucocorticoid
2) antinflammatory or immunosuppressant purposes
2) Used to treat exacerbations of chronic respiratory illnesses

36
Q

METHYLPREDNISOLONE (SOLU-MEDROL)
route, uses

A

 injectable/IV glucocorticoid drug
 Primary use: antinflammatory or immunosuppressant
 Most injectable formulations contain a preservative
(benzyl alcohol) that cannot be given to children younger than 28 days of age.

37
Q

DEXAMETHASONE (DECADRON)
route, uses

A

 Synthetic corticosteroid
 Used to treat inflammation
including allergic conditions, burns
Route: oral, ocular

38
Q

Which of the following should the nurse include when
teaching a patient about glucocorticoid therapy?

A. Do not abruptly stop taking the drug.

B. Take the medication on an empty stomach.

C. Avoid use of antiulcer medications when taking glucocorticoids.

D. When used long term, alternate-day dosing of glucocorticoids will help minimize thyroid suppression.

A

Correct answer: A

Rationale: Abrupt withdrawal of adrenal drugs (e.g., prednisone, methylprednisolone) may lead to a sudden decrease in, or no production of, endogenous glucocorticoids, resulting in adrenal insufficiency. In long-term therapy, alternate-day dosing of glucocorticoids, if possible, will help minimize the adrenal suppression.

39
Q

Analgesics

A

Medications that relieve pain
without causing loss of consciousness. ie Opioid analgesics,
Adjuvant analgesic drugs

40
Q

Adjuvant analgesic

A

medications that are primarily used for other purposes but can also help to control pain. Examples are neuropathic pain-Neurontin (anti-seizure medication) and Cymbalta (an
antidepressant).

41
Q

WHO 3-STEP ANALGESIC LADDER

A

 Step 1: Nonopioid (with or without adjuvant medications) after the pain has been identified and assessed. If pain persists or increases, treatment moves to

 Step 2: opioids with or without Nonopioid and with or without adjuvants. If pain persists or
increases, management then rises to

 Step 3: opioids indicated for moderate to severe pain, administered with or without
Nonopioid or adjuvant medications

42
Q

A patient with a history of heavy alcohol use needs a medication for pain. The recommended maximum daily dose of acetaminophen for this patient would be
A. 1000 mg.
B. 2000 mg.
C. 3000 mg.
D. 4000 mg.

A

Answer B.

Maximum daily dose for healthy
adults is being lowered to 3000
mg/day.

2000 mg for older adults and
those with liver disease

43
Q

SALICYLATE (ASPIRIN) USES

A

➢ Inhibits platelet aggregation
 Antithrombotic effect: used in the treatment of MI and other
thromboembolic disorders

 Systemic lupus erythematosus autoimmune disease (body’s tissue attacked by its own immune system): antirheumatic effects

 Antipyretic action (life saving)

44
Q

Examples of pain treated by SALICYLATE (ASPIRIN)(5)

A

1) Headache
2) neuralgia (nerve pain)
3) myalgia (muscle pain)
4) arthralgia (joint pain)
5) Pain syndromes resulting from inflammation: arthritis, pleurisy, and pericarditis

45
Q

SALICYLATE (ASPIRIN) & heart attacks

A

 Antithrombotic effect: used in the treatment of MI and other
thromboembolic disorders
 Antipyretic action
Shown to reduce cardiac death after myocardial infarction (MI)
● Should be administered at the first sign of MI
● If not given before arriving in the emergency department, aspirin is one of the first drugs given if there are no contraindications

NSAID

46
Q

ASPIRIN DOSAGE for MI

A

 Daily tablet (81 mg or 325 mg): prophylactic therapy for adults who have strong risk factors for developing coronary artery disease or cardiovascular accident

 Effective after MI

 The 81- and 325-mg strengths appear to be equally beneficial for the prevention of thrombotic events.

47
Q

SALICYLATE (ASPIRIN) SIDE EFFECTS

A

Salicism
1) Increased heart rate
2) Tinnitus & hearing loss
3) dimness of vision
4) headache & dizziness
5) mental confusion
6) drowsiness
7) Nausea & vomiting
8) diarrhea
9) Sweating
10) thirst
11) hyperventilation
12) hypoglycemia or hyperglycemia

48
Q

What is Reye’s Syndrome (Aspirin)(3) ?

A

1) Acute and potentially life-
threatening condition involving
progressive neurologic deficits that
can lead to coma and may also
involve liver damage.

2) Triggered by viral illnesses such as
influenza as well as by salicylate
therapy itself in the presence of a
viral illness.

3) May or may not lead to permanent
neurologic damage.

49
Q

What are OPIOID DRUGS

A

Pain-relieving drugs known as opioid
analgesics from the opium poppy

50
Q

describe Opioid drugs(3)

A
  • drugs that bind to the opiate receptors to relieve pain
  • Strong agonists: morphine, hydromorphone (Dilaudid), oxycodone, oxymorphone
  • Mild agonists: codeine, hydrocodone
51
Q

What does corticotropin-releasing hormone trigger?

A

It triggers the release of adrenocorticotropic hormone (ACTH).

52
Q

what occurs in the body with Addison’s disease?

A

1) decreased blood sodium and glucose levels
2) increased potassium levels
3) dehydration
4) weight loss.

53
Q

what does acetylcysteine do?

A

used to prevent liver damage from acetaminophen overdose

54
Q

what is the daily limit for acetaminophen?

A

3000mg/day for healthy individuals
2000mg/day for older adults and people with liver disease

55
Q

what is Salicylism?

A

salicylate poisoning

NURS212 Exam 2 (6 decks)

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