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WGU D115 UNIT 3 EXAM QUESTIONS AND ANSWERS
(LATEST UPDATE 2025-2026) VERIFIED ANSWERS
What are three deteriorations in abilities that commonly characterize
dementia?
Deterioration in sociability
Deterioration in balance
Deterioration in speech
Deterioration in decision-making
Deterioration in memory - correct answers Dementia is the progressive
failure (an acquired deterioration) of many cerebral functions that include
impairment of intellectual function with a decrease in orienting, memory,
language, executive attentional functions, and alterations in behavior.
Which two clinical manifestations are characteristic of cluster headaches?
Severe unilateral tearing pain
Nausea and vomiting
Pain lasting from 30 minutes to two hours
Preheadache aura
,2
Gradual onset of a tight band around the head - correct answers The
cluster headache attack usually begins without warning and is characterized
by severe unilateral tearing, burning, and periorbital, retrobulbar, or
temporal pain lasting from 30 minutes to two hours. This pain may be
disabling.
Which two statements are true regarding myelodysplasia?
Myelodysplasia is used to define a defect in the formation of the spinal cord.
Myelodysplasia can be used to refer to a form of spina bifida.
Myelodysplasia can be used to refer to brain anomalies involving missing
brain tissue.
Myelodysplasia correctly includes encephaloceles.
Myelodysplasia is used to describe a herniation of the brain and meninges
through a defect in the skull. - correct answers Although myelodysplasia
is defined as a defect in the formation of the spinal cord, the term is also
used to refer to anomalies of both the vertebral column and spinal cord.
Birth defects in which the vertebrae fail to close are known as spina bifida
(split spine).
Which four problems are experienced by individuals with depression?
, 3
Thyroid function
Weight stabilization
Sleep cycles
Compulsions
Eating patterns - correct answers Insomnia, hypersomnia, and other
disturbances in sleep cycles frequently accompany depression. Increases or
decreases in body weight, which may be due to side effects of medication or
changes in self-worth, may also accompany depression. Loss of appetite and
anorexia frequently accompany unipolar depression, and overeating
frequently accompanies other types of depression. Approximately 20 to 30%
of people with unipolar depression have an altered hypothalamic-pituitary-
thyroid (HPT) system.
Symptoms of post-traumatic stress disorder (PTSD) in children may mimic
symptoms of attention deficit hyperactivity disorder (ADHD).
True or False - correct answers True
Symptoms of PTSD in children often lead to being restless, being fidgety, and
trouble staying focused and organized, leading to a false diagnosis of ADHD.
WGU D115 UNIT 3 EXAM QUESTIONS AND ANSWERS
(LATEST UPDATE 2025-2026) VERIFIED ANSWERS
What are three deteriorations in abilities that commonly characterize
dementia?
Deterioration in sociability
Deterioration in balance
Deterioration in speech
Deterioration in decision-making
Deterioration in memory - correct answers Dementia is the progressive
failure (an acquired deterioration) of many cerebral functions that include
impairment of intellectual function with a decrease in orienting, memory,
language, executive attentional functions, and alterations in behavior.
Which two clinical manifestations are characteristic of cluster headaches?
Severe unilateral tearing pain
Nausea and vomiting
Pain lasting from 30 minutes to two hours
Preheadache aura
,2
Gradual onset of a tight band around the head - correct answers The
cluster headache attack usually begins without warning and is characterized
by severe unilateral tearing, burning, and periorbital, retrobulbar, or
temporal pain lasting from 30 minutes to two hours. This pain may be
disabling.
Which two statements are true regarding myelodysplasia?
Myelodysplasia is used to define a defect in the formation of the spinal cord.
Myelodysplasia can be used to refer to a form of spina bifida.
Myelodysplasia can be used to refer to brain anomalies involving missing
brain tissue.
Myelodysplasia correctly includes encephaloceles.
Myelodysplasia is used to describe a herniation of the brain and meninges
through a defect in the skull. - correct answers Although myelodysplasia
is defined as a defect in the formation of the spinal cord, the term is also
used to refer to anomalies of both the vertebral column and spinal cord.
Birth defects in which the vertebrae fail to close are known as spina bifida
(split spine).
Which four problems are experienced by individuals with depression?
, 3
Thyroid function
Weight stabilization
Sleep cycles
Compulsions
Eating patterns - correct answers Insomnia, hypersomnia, and other
disturbances in sleep cycles frequently accompany depression. Increases or
decreases in body weight, which may be due to side effects of medication or
changes in self-worth, may also accompany depression. Loss of appetite and
anorexia frequently accompany unipolar depression, and overeating
frequently accompanies other types of depression. Approximately 20 to 30%
of people with unipolar depression have an altered hypothalamic-pituitary-
thyroid (HPT) system.
Symptoms of post-traumatic stress disorder (PTSD) in children may mimic
symptoms of attention deficit hyperactivity disorder (ADHD).
True or False - correct answers True
Symptoms of PTSD in children often lead to being restless, being fidgety, and
trouble staying focused and organized, leading to a false diagnosis of ADHD.
