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N2 > Rad and OS > Flashcards

Rad and OS Flashcards

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1
Q

Sievert dosage allowed in a year for dentist?

A

50 msv/yr = 0.05 sv/yr

DD

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2
Q

what is tungsten used for in xray?

anode or cathod?

A

used as TARGET
-serves as a focal spot and coverts bombarding ELECTRONS into x-ray PHOTONS

it’s ANODE
DD

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3
Q

penumbra affected by all except:

  • moving xray tube
  • moving film
  • decrease film-object distance
  • decrease film-target distance
A

decrease film-target distance

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4
Q

radiation exposure to the onset of symptoms is called

A

the “latent period”

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5
Q

to get osteoradionecrosis radiation dose must be ___

A

65 Gy = 6500 rad

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6
Q

Macrocytic anemia

Microcytic anemia

A

Macro:
Vit B12 def
Folate def

Micro:
Iron def

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7
Q

Normal INR range

At what INR you don’t do surgery?

A

2.5-3

>4.0 dont do tx
mosby

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8
Q

prostaglanding is made from ____ via ____

A

arach. acid –(Cox1,2)–>Prostgl

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9
Q

PT factors and Normal PT

PTT factors and noraml PTT

A

PT:
1, 2, 5, 7, 10
12 +/-2 sec

PTT:
1, 2, 5, 8-12
25-40 sec

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10
Q

side effect of glucocorticoids

A

infection
hypErglycemia
(glucocorticoids are contraindicated in diabetics)

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11
Q

Sulfonylurea MOA

receptor?

A

stimulates release of insulin from beta cells in pancreas (only for type II diabetics)

receptor: ATP dependent K channel
(fa)

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12
Q

Metformin MOA

A

inhibit Hepatic Gluconeogenesis

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13
Q

HbA1C range for well-control diabetic pt?

A

4-6%

FA1

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14
Q

what condition accociated with ketone breath?

A

diabetics
hypErglycemia
(wiki)

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15
Q

disease accociated with palmar pits?

A 
nevoid bcc
(book)
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16
Q

face swelling after air spray in perio pocket

A

subcutaneous emphysema

wiki

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17
Q

drug: theophylline

A

asthma and COPD
(DD)
it’s a tablet (wiki)

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18
Q

MOA of Montelukast?

Tx for what condition?

A

MOA: Leukotriene receptor antagonist
for asthmatics
(mosby)

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19
Q

what’s Atelectasis?

A

collapse of alveoli.

may be secondary to: 
aspiration of foreign object
blockage of bronchus by mucus
hydrothorax
pneumothorax

Post GA complication due to Narcotic analgesic
(ASDA)

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20
Q

carpopedal spasm seen in

  • asthmatic attack
  • hyperventilation
  • seizures
A

hyperventilation

DD

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21
Q

med for grand mal seizure?

A

Dilatin (phenytoin)
asda

for Status epilepticus: valium (diazepam)

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22
Q

med for status epilepticus?

what dose?

A

valium (diazepam)
5mg IV/min (DD)

Adult

  • oral: 4-40mg
  • IV: 2-20mg

children
0.3-0.6 mg/kg

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23
Q

Diazepam contraindicated in ____

Study These Flashcards
A

acute narrow glaucoma and Pregnant

DD and book

24
Q

What induces seizures?

  • hyponatremia
  • hypernatremia
  • hypokalemia
Study These Flashcards
A

hyponatremia
(low Na+ in blood)
wiki

25
which is not done by opioids? - diuresis - constipation - bronchiolar constriction - vomiting
diuresis | opioids cause urinary retention
26
adverse effect of opioids
1. Nausea/vomiting 2. urinary retention 3. Miosis (pin-point) 4. respiratory depression 5. constipation
27
what Opioid is applied transdermally?
Fentanyl (opioid agonist) -patch wiki
28
Drug: Methadone?
an opioid agonist used in maintenance for tx of opioid addiction (DD, book)
29
why is nalbuphine contraindicated in previous heroin addict?
mixed agonist-antagonist which may potentiate withdrawal symptoms (no ref)
30
where are mu receptors in brain?
medulla
31
how to treat acetaminophen overdose?
give N-acetylcysteine (NAC) | wiki
32
pt has hepatic dysfunction. which med can be prescribed? - oxycodone - naproxen - acetaminophen
naproxen | no ref
33
what drug can cause Reye's fever?
aspirin (in babies) | FA
34
which NSAID least likely to cause dyspepsia?
Celebrex (Selective COX2 inhibitor) dyspepsia = upset stomach
35
pt taking aspirin, how long will platelet be inhibited if he stops now?
5-7 days | DD
36
Saw Palmetton contraindicated with ____
aspirin (online)
37
what herbs potentiate anticoagulants?
Saw Palmette and Chamomile (book)
38
Avoid methotrexate with ____
penicillin NSAIDS (methotrexate = anti-cancer)
39
what's ketorolac?
it's an NSAID
40
drugs contraindicated with lactating female?
``` tetracycline methotrexate immunosuppressants antihistamine drugs of abuse (codeineeeee) ```
41
what's t1/2 of naproxen?
14 hrs | mosby
42
what do you keep the biopsy specimen before it gets to oral pathologist?
formalin
43
V2 and V3 come out of what foramen?
V2: Rot V3: ovale
44
in serial ext, concerns about the eruption sequence usually related to eruption pattern of which permanent teeth?
MAND K9 and 1st PM | ASDA
45
what's #65 and #74 forceps?
65: max incisors and root-tips | 74 = ash: mand incisors
46
what do you do in oroantral communication after ext?
<2mm = no surgical tx 2-6 = figure 8 suture to maintain integrity of blood clot >7 = requires flap surgery (FA)
47
what suture allows invasion of bact - gut - silk - nylon
silk (bcz it's braided) FA
48
DFDBA has _____
bone morphogenic protein (BMP) | DFDBA = decalcified freeze dried bone allograft
49
____ is the most common complication seen after removal of the mand molar
dry socket | DD
50
____ is the most common complication of surgery
root fracture | DD
51
``` what's Guerin's sign associated with? LeForte 1, 2, 3, nasal fracture frontal sinus fracture zygomaticomax frac, mand fract ```
Leforte 1 (guerin's sign: buccal vestibule eccymosis) (FA)
52
``` subconjunctival hemorrhage seen in: LeForte 1, 2, 3, nasal fracture frontal sinus fracture zygomaticomax frac, mand fract ```
Leforte 2, 3 | zygomaticomax
53
``` rank most to least common fracture in face? LeForte 1, 2, 3, nasal fracture frontal sinus fracture zygomaticomax frac, mand fract ```
most to least common: nasal > zygomatic fractures > Le Fort 1>2>3 Nasal > Zygomaticomaxillary complex > Le Fort 1 > 2 > 3 > zygomatic arch (DD)
54
``` what is pyramidal fracture? LeForte 1, 2, 3, nasal fracture frontal sinus fracture zygomaticomax frac, mand fract ```
LeFort 2 | FA
55
when does mand symphysis fuse?
before 1st year
56
what are these xrays for - towne - submentovertex
towne: eval condylar fracture submentovertex: eval zygomatic fracture

N2 (14 decks)

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