Environmental Stuff - Hertz Flashcards

(71 cards)

1
Q

What is the name of chemical that enter the body and can be eliminated or accumulate in fat, brian or tissues?

A

Xenobiotic

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2
Q

What catalyzes a reaction to detoxify or convert xenobiotics to active compounds?

A

P450 system

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3
Q

explain LD50

A

the amount of a drug needed for half subjects to die and half live

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4
Q

What type of drug is more toxic?

A

lipophilic

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5
Q

At what size are particles most harmful? Where do they end up?

A

10 micrometers, alveoli

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6
Q

Pt presents with cherry red skin

A

CO poisoning

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7
Q

What type of arthropod borne illness causes hemolysis

A

malaria specifically Plasmodium falciparum

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8
Q

What is the biggest cause of global warming?

A

loss of ozone

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9
Q

What acts by crippling ox phos?

A

Arsenic (Kill the king, like CN)

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10
Q

What interferes with normal remodeling of cartilage primarily in the epiphyses in kids

A

Lead

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11
Q

What causes a pt to be mad as a hatter?

A

Mercury

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12
Q

What binds to sulfhydryl groups

A

Lead and Mercury

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13
Q

What enzymes are inhibited by lead

A

alpha aminolevulinic acid dehydratase and ferrochelatase

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14
Q

What is the action of ferrochelatase? What abnormalities does its inhibition cause

A

catalyzes incoporation of Fe into protoporphyrin

micorcytic hypochromic anemia

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15
Q

What is coarse basophilic stippling on peripheral blood smear associated with?

A

lead poisoning

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16
Q

What toxicity is associated with GI, nervous system, skin, and heart problems?

A

Arsenic

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17
Q

What toxicity is associated with lung problems?

A

Cadmium

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18
Q

Pt has neurologic effects w/sensorimotor neuropathy starting 2-8wks s/p exposure to what?

A

Arsenic

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19
Q

What interferes with calcium metabolism?

A

Lead

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20
Q

What toxicity is associated with increased risk of cancer?

A

Arsenic

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21
Q

Chronic exposure leads to hyperpigmentation of palms and soles

A

Arsenic

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22
Q

What type of fish has more mercury in it?

A

The bigger one

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23
Q

What is associated with hematologic, skeletal, neuro, GI , and renal toxicities?

A

Lead

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24
Q

increased bone density on radiodense is called what?

A

Lead lines

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25
microcytic hypochromic anemia is due to what?
suppression of hemoglobin synthesis
26
hyperpigmentation of gums is call what
lead lines
27
Kid presents with CNS problems, mental retardation, and behavhioral problems
lead poisoning
28
adult presents with neuropathy, wrist and foot drop?
lead poisoning
29
coarse basophilic stippling associated with what toxicity?
lead
30
When you think of lead?
In kid - CNS | Adult - demyelinating neuropathy
31
When you think mercury
CNS
32
When you think arsenic
skin
33
When you think cadmium
lung bc its a vapor
34
Minamata disease d/t
Mercury exposure in utero, causes cerebral palsy, deafness, and blindness
35
assocaited with dry cleaning
CCl4, organic solvents
36
found in soot, chimney sweep scrotal cancer
polycyclic hydrocarbons
37
people on farms spraying pesticides
organochlorines
38
poison turn skin blue
dioxins and PCBs
39
causes angiosarcoma of liver
vinyl chloride
40
found in plastic water bottles
bisphenol A (BPA)
41
risk factor for renal cell carcinoma
smoking
42
Warfarin interferes with what clotting factors?
II, VII, IX, and X
43
Pt on oral contraceptives that gets a DVT has ____ until proven otherwise
Factor V Leiden deficiency
44
anabolic steroids give you what cancer?
CNS lymphomas; worse with AIDS
45
Pt presents with central hemorrhagic necrosis of the liver due to
large dose of acetominophen
46
what symptoms is assoicated with an overdose of aspirin
Tinnitus
47
With aspirin overdose first you get _____ then ______ and it kills your _____
alkolitic; acidotic; kidneys
48
When you think of cocaine, think ____
heart
49
Young person with heart attack, agitation, hyperpyrexia
Cocaine
50
Heart attack with cocaine use d/t
vasospasm of coronary vessels
51
Use of what causes fetal hypoxia and spontaneous abortion
cocaine
52
Mechanism of action of cocaine
blocks re uptake of dopamine and NE
53
Opiates use can cause
amyloidosis, talc granulomas, lymphangitis, asystole, HIV, staph aureus
54
pt has bad teeth
meth mouth
55
trophic changes in brain d/t use of what
marijuana
56
what is the least painful burn
3rd degree, all the way through nerves and subQ
57
Malignant hyperthermia assiociated with what receptor
ryanodine
58
Ionizing radiation damages tissues in what order
Gonads then blood (WBC, platelets, RBC), GI, brain is LAST
59
muscle wasting d/t inadequate calories
marasmus
60
big tummy d/t protein defect
Kwashiokor
61
shuts down cell and starts eating self; associated with what
autophagy; cancers
62
What vitamins are fat soluble
Vit, A, D, E, K
63
Where does liver store vit A
Ito cells
64
when low in vit A you get what type of cell change
squamous metaplasia
65
Bitot spot in eye associated with
vit A deficiency
66
What is the order of vit D metabolism
sunshine, liver, kidney
67
what disease are associated with Vit D deficiency
Rickets - kids | Osteomalacia - adults
68
Pt with bleeding gums d/t
vit C deficiency - scurvy
69
what vit is required for tissue maintance and wound healing
vit C
70
aphlotoxin from aspergillus associated with what cancer
hepatocellular carcinomas
71
Pt with large nodules at the border of rib and costochondral cartilage
Ricketic rosary; vit D deficiency