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N450 (2)
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Exam of 14 pages for the course N450 - Ch. 3 - Principles of Geriatrics at N450 - Ch. 3 - Principles of Geriatrics (N450 (2))
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N450True or False: The greatest risk of lead poising is to poor children under 6 years of age living in
urban areas. - ANS-True
True or False: Asymptomatic young children may have lead levels sufficiently elevated to cause
neurologic and intellectual damage. - ANS-True
True or False: Lead based paint from old housing remains the most frequent source of lead
poisoning in children. - ANS-True
True or False: Lead-Containing pottery or leaded dishes do not contribute to lead poising
because food does not absorb lead. - ANS-False
True or False: Pica is the habitual, purposeful, and compulsive ingestion of nonfood substances.
- ANS-True
True or False: The exposure risk is lower for children living in leaded environments whose diets
is deficient in iron and calcium and high in fats because diet slows the absorption of lead. -
ANS-False
True or false: Lead encephalopathy is associated with blood lead concentration of >100 mg/dl. -
ANS-True: Lead encephalopathy is associate with high dose lead exposure
True or False: When assessing a possible child poisoning the nurse should first treat poison not
the child. - ANS-False
True or false: syrup of ipecac is the first intervention recommended for immediate treatment of
poising that occurs in the home setting. - ANS-False
Erythrocyte protoporphyrin (EP) level is a sensitive indicator of low lead exposure and is used
routinely as a screening test. - ANS-False
Acute salicaylate poisoning can be considered a more serious intoxication than chronic
ingestion. - ANS-False
Diagnostic evaluation for lead poisoning include: - ANS-a. blood levels for lead concentration,
including screening done on finger and heel sticks with blood collected by venipuncture to
confirm diagnosis
b. recommend universal screening for all children with children ages 6-72 months given priority
c. radiographs of long bones to reveal lead lines caused by deposition of lead.
, *the most important point from the CDC recommendations is that the blood level screening
reference value for monitoring lead poisoning is based on the 97.5th percentile of the population
BLL in children ages 1-5 to identify children and environments associate with lead-exposure
hazards to guide treatment management.
The first action parents should be taught to initiate in the event of a poisoning is to...? -
ANS-Call the Poison Control Center
Identify the developmental characteristics of young children that predispose them to poisoning
by ingestion. - ANS-a. Oral experimentation
b. autonomy vs. initiative, increased curiosity and non-compliant behavior
c. sense of taste is not discriminating
d. imitation
The primary goal of nurses related to lead poisoning is to? - ANS-Prevent the child's initial or
further exposure to lead by identifying possible sources in the environment, careful history
taking and educating on ways to reduce lead in the environment.
What early signs of low-dose exposure lead-poisoning and its effect on the nervous system
should the nurse be alert to when performing an assessment? - ANS-a. decrease in intellectual
function
b. development of learning problems
c. manifesting behavior problems
Blood level determines the type of intervention needed for the child with lead poising. At what
level does the child require each of the following? - ANS-a. Clinical management, environmental
evaluation, and lead hazard control: 22-44mcg/dl
b. chelation therapy: 45-69mcg/dl
c. immediate medical treatment: 70 or greater mcg/dl
The most frequent sources of acute childhood lead poisoning are? - ANS-a. non-intact
lead-based paint
b. bare soil in the yard
What type of characteristics will determine the severity of the poisoning incident? - ANS-a. type
b. concentration
c. route of exposure
What are the three main categories of interventions used to decrease effects of toxins int he
body? - ANS-a) Enhance elimination
b) Decrease absorption
c) Implement toxic specific intervention
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