Chapter 10, 11, 42 Flashcards

(46 cards)

1
Q

Premature infants are less than ____ weeks

A

less than 36 weeks gestational age

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2
Q

Full-term infants are ___ weeks

A

between 36-40 weeks

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3
Q

Neonates: ____ weeks

A

first 4 postnatal weeks

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4
Q

Infants: weeks _____

A

5-52 postnatal

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5
Q

children: _____ years

A

1-12 years old

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6
Q

Adolescents: ___ years

A

12-16 years old

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7
Q

___ of drugs used in pediatrics have never been tested in children

A

2/3

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8
Q

of drugs studied:
___ ineffective in children
___ unanticipated side effects
___ required dosage adjustments

A

20%
30%
20%

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9
Q

Why are very young children highly sensitive to drugs?

A

BC of organ system immaturity

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10
Q

In neonate and young infants, drug responses are usually ___ and ___

A

intense and prolonged

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11
Q

absorption of IM drugs in neonates is ___ than in adults

A

slower

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12
Q

Absorption of IM drugs in infants is ___ than in adults

A

more rapid

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13
Q

Infants metabolize drugs faster than adults until age ___ when rates start to decline

A

2 years

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14
Q

___ stain children’s teeth and should be avoided bc they are a teratogen

A

Tetracyclines

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15
Q

__ causes growth suppression in kids but once stopped they will catch back up.

A

Steroids

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16
Q

The elderly are __ of population and __ of nation’s prescribed drugs

A

12%

31%

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17
Q

The elderly often have complications to drugs bc:

4

A
  1. organ system degernation
  2. multiple and severe illnesses
  3. Multidrug Therapy
  4. Poor Adherence
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18
Q

The __ of drug absorption changes in older adults

A

rate

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19
Q

reduced liver function may ___ drug effects

20
Q

___ ____ ___ with resultant drug accumulation is the most important cause of adverse drug reactions in older adults.

A

Reduced renal function

21
Q

The lab value that you should always pay attention to in older adults is the: ___

A
creatinine levels
(kidney function)
22
Q

ADR’s are __ more common in elderly

23
Q

Elderly ADR’s account for __ of hospital admission and ___ of all medication related deaths

24
Q

__ to ___ of elderly do not take meds as prescribed

25
Described in terms of sodium content of plasma:
osmolality
26
Normal Sodium (Na) : ___ to ___ mEq/L
135-145mEq/L | this is in the blood, not cellular levels
27
Osmolality : ___ to __-
280-300
28
Fewer particles extracellularly than intracellularly | Fluid moves into the cell
Hypotonic solution | - cell swells
29
more substance extracellularly than intracellularly. Fluid moves out of cell
Hypertonic solution | - cell shrinks
30
Isotonic volume contractions are caused by: | treatment:
vomiting, diarrhea, kidney disease, diuretics | replaced with isotonic solution (0.9%) NaCl
31
Hypertonic Volume Contractions are caused by: | treatment:
exc sweating, osmotic diuresis, lose more water than sodium | - replace hypotonic fluids (.11% NaCl, sterile water)
32
Hypotonic Volume Contractions are caused by: | treatment:
diuretics, CRI, lack of aldosterone isotonic or hypertonic replacement ** can be detrimental to pt***
33
Volume expansion is caused by: | treatment:
overdose w/fluids, heart failure, nephrotic syndrome, cirrhosis of liver treatment: diuretics
34
Potassium is important for ________
conducting nerve impulses, electrical excitability of muscle (including cardiac)
35
normal levels of potassium
3.5-4.5 K+
36
a deficiency of potassium in the blood
Hypokalemia
37
what causes hypokalemia, what are its effects, how do you treat it?
causes: diuretics, poor intake, excessive insulin, alkalosis, urinary loss, vomiting, diarrhea, laxatives, sweat Effects: weakness, paralysis of skeletal muscle, dysrhyhtmias, slowing of gut, digoxin toxicity Treatment: IV replacement, potassium chloride tablets
38
You should NEVER give __ as an IV push. it will kill them
Potassium
39
You would treat respiratory or metabolic acidosis with __ ___
sodium bicarbonate
40
What causes Hyperkalemia?
tissue trauma, Addison's disease, acidosis, K+ sparing diuretics
41
Hyperkalamia can cause:
lethal cardiac electrical abnormalities
42
To treat Hyperkalemia, you should:
begin by withdrawing potassium containing foods and drugs that promote potassium accumulation - infuse calcium salt to offset cardiac effects - infuse glucose and insulin to promote K+ uptake by cells - infuse sodium bicarbonate if acidosis is present
43
__ is needed for enzymes & RNA activity, neurochemical transmission and muscle excitability
Magnesium
44
Hypomagnesemia is caused by:
diarrhea, dialysis, kidney disease, IV feedings, chronic alcoholism, DM, pancreatitis
45
Treatment fo Hypomagnesemia:
IM or IV magnesium sulfate or oral magensium
46
Hypermagnesemia causes:
muscle weakness, hypotension, confusion, sedation, EKC changes, respiratory paralysis