Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
What are the patterns of growth acceleration?
|
Prepubescence: limbs
Early adolescence: spine Late adolescence: increased bone mineral deposition |
|
|
Briefly describe the processing of vitamin D:
|
7-dehydrocholesterol + sun-> Vitamin D3->liver->25(OH)D->kidneys->1,25(OH)2D (most active form)
|
|
|
Does vitamin D increase or decrease calcium levels?
|
increase
|
|
|
Do PTH levels rise or lower in response to low calcium levels? What is the effect?
|
rise; this causes kidneys to increase production of active form of Vitamin D
|
|
|
What are the 4 categories of ricketts?
|
I-no calcium/vitamin D
II-no phosphate III-resistance to vitamin D IV-Ricketts-like diseases |
|
|
Signs of ricketts?
|
bowed legs, curved bones, bony necklace, big joints, short stature, motor delays, CNS problems
|
|
|
If there is no response to vitamin D, is this likely to be classic ricketts?
|
no
|
|
|
What are things associated with vitamin D insufficiency?
|
preeclampsia; insufficient vitamin D in breast milk; inadequate bone mineralization; MS; cancers; TB
|
|
|
What is the adequate level of vitamin D?
|
30 ng/ml
|
|
|
How are RDA's for vitamin D established?
|
preventing recognized deficiencies, not on providing optimal amounts
|
|
|
T or F: humans can farm vitamin D from phytoplankton
|
true (fish have lots of vitamin D as a result)
|
|
|
Puncture through bare foot organism most commonly seen?
|
s. aureus
|
|
|
What is major concern in suppurative arthritis?
|
damage to physes
|
|
|
Who is primarily affected in suppurative arthritis?
|
children
|
|
|
What infection can be seen in suppurative arthritis in teens?
|
GC
|
|
|
In infants, you won't see swelling or redness in which joint in suppurative arthritis?
|
hip
|
|
|
Suppurative arthritis vs. osteomyelitis: which is joint? Which is bone?
|
suppurative is joint; osteomyelitis is bone
|
|
|
How is osteomyelitis spread?
|
hematogenously
|
|
|
What part of bones is most often affected in osteomyelitis?
|
diaphysis
|
|
|
Sickle cell associated with what bacteria?
|
salmonella
|
|
|
Treatment for osteomyelitis?
|
debride, drain, antibiotics, corticosteroids, and physical therapy
|
|
|
Triad of diskitis?
|
back pain, progressive loss of disk height, erosion of adjacent vertebral end-plates
|
|
|
What can differentiate between osteomyelitis and diskitis?
|
MRI
|
|
|
T or F: a clinical rickets syndrome that responds to administration of exogenous Vitamin D is by definition “classic” vitamin D deficient rickets
|
false
|
|
|
T or F: overlying inflammatory signs are usually appreciable early in the course of an osteomyelitis
|
false (insidious onset)
|
|
|
T or F: overlying inflammatory signs are usually appreciable early in the course of an osteoarthritis
|
true (except for hip)
|
