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Which finding is considered a risk factor for falls in an older adult?
A. Impaired gait
B. Increased visual acuity
C. Increased lower-extremity strength
D. Improved balance
Answer: A. Impaired gait
Rationale: Impaired gait increases instability and makes falls more
likely. Other important fall risks include reduced vision and lower-
extremity weakness. These factors can interfere with balance,
mobility, and the ability to safely navigate the environment.
Which statement best describes the relationship between a risk factor
and disease?
A. A risk factor always causes disease.
B. A risk factor increases the likelihood of disease or dysfunction but
does not necessarily cause it.
,C. A risk factor guarantees that a person will develop an illness.
D. A risk factor is present only after a disease develops.
Answer: B. A risk factor increases the likelihood of disease or
dysfunction but does not necessarily cause it.
Rationale: Risk factors increase the probability that an individual,
community, or population will experience a disease or dysfunction.
The presence of a risk factor does not mean that illness will definitely
occur.
What is the primary effect of a health risk factor?
A. It eliminates the possibility of disease.
B. It guarantees the development of disease.
C. It increases the chances that disease or dysfunction will occur.
D. It prevents individuals from changing their health behaviors.
Answer: C. It increases the chances that disease or dysfunction will
occur.
Rationale: A risk factor is a characteristic, behavior, exposure, or
condition associated with an increased probability of developing
disease or dysfunction. Risk factors do not necessarily cause disease.
Which intervention can help individuals reduce certain modifiable
risk factors?
,A. Genetic counseling alone
B. Behavioral modification
C. Increasing age
D. Changing family history
Answer: B. Behavioral modification
Rationale: Behavioral modification can reduce many modifiable risk
factors. Examples include stopping tobacco use, improving nutrition,
increasing physical activity, reducing alcohol consumption, and
improving sleep habits.
Which group contains only non-modifiable risk factors?
A. Smoking, obesity, and physical inactivity
B. Poor nutrition, alcohol use, and inadequate sleep
C. Age, sex, genetics, and family history
D. Tobacco use, diet, and stress
Answer: C. Age, sex, genetics, and family history
Rationale: Nonmodifiable risk factors cannot be changed through
personal behavior. Age, biological sex, genetic characteristics, and
family history are common examples. In contrast, smoking, nutrition,
physical activity, and alcohol consumption are generally modifiable.
Premature infants and neonates are particularly susceptible to which
health problem?
, A. Infections
B. Osteoporosis
C. Coronary artery disease
D. Alzheimer disease
Answer: A. Infections
Rationale: Premature infants and neonates have immature immune
systems and other physiologic vulnerabilities that increase their
susceptibility to infection. Infection prevention is therefore a major
component of care for this population.
Children between 1 and 9 years of age are particularly at risk for
which causes of death or injury?
A. Stroke and myocardial infarction
B. Accidental death and homicide
C. Alzheimer disease and dementia
D. Chronic obstructive pulmonary disease
Answer: B. Accidental death and homicide
Rationale: During childhood, unintentional injuries are a major
concern, and homicide is also an important cause of death. Prevention
efforts should focus on safety, supervision, injury prevention, and
protection from violence.
Which health concerns become particularly important among
individuals age 10 years and older?