WGU D115 Objective Assessment Final Exam Newest

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WGU D115 Objective Assessment Final Exam Newest 2026-2027 Actual Exam Preparation With Complete 300 Questions And Correct Answers With Rationales | Already Graded A+||Brand New Version!!

Describe what neurofibrillary tangles are, where they are located, and why they are important. - ANSWER- Neurofibrillary tangles are intracellular. They are tangled strands of abnormal tau protein that interfere with normal intracellular transport of nutrients and promote neural cell death.

List the brain functions that typically are lost first in Alzheimer disease. - ANSWER-The brain functions that are typically lost first in Alzheimer disease are learning and memory and thinking and planning.

What do diffuse axonal injuries (DAIs) of the brain often result in? - ANSWER-DAIs occur with all brain injuries and affect neurons in widespread areas of the brain. Depending on severity, this may result in altered or loss of consciousness.

Common causes of hemorrhagic strokes - ANSWER- Hypertension, ruptured aneurysms or vascular malformation, bleeding into a tumor, hemorrhage associated with bleeding 1 / 4

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disorders, anticoagulation, head trauma, and illicit drug use are common causes of hemorrhagic stroke

Risk factors for a stroke - ANSWER-General risk factors for stroke include hypertension, cigarette smoking, diabetes, insulin resistance, polycythemia and thrombocytopenia, presence of lipoprotein-a, impaired cardiac function, hyperhomocysteinemia, atrial fibrillation, and Chlamydia pneumoniae

Select four causes of microcephaly from the list below. - ANSWER-Autosomal recessive genetic alterations or defects in any 1 of 16 chromosomes can cause primary microcephaly (present at birth). Microcephaly may be caused by X-linked genetic disorders with the altered gene on the X chromosome.Environmental causes that include toxin exposure, radiation, intrauterine infection, or chemical exposure may be the initiating factor in secondary microcephaly. Maternal anorexia has been shown to have an almost two-fold risk of microcephaly. Other causes can include infection, trauma, metabolic disorders, and the presence of other genetic syndromes.

What test do you do for a child with frequent headaches - ANSWER-Headaches in children are unusual and require investigation. Headaches and nausea in the morning may 2 / 4

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indicate increased intracranial pressure. The pressure increases while the head is in a dependent or flat position due to a reduction in venous drainage. Intracranial pressure may decrease once the head is no longer in a dependent or flat position as venous drainage is improved and the contents of the cranium are reduced. The FNP is likely worried that an increase in intracranial pressure could indicate the presence of a brain tumor.

Which three substances would a healthcare professional teach a patient with a history of panic disorder to avoid? - ANSWER- Panic-prone individuals respond to panicogens (chemicals that produce panic symptoms), which include carbon dioxide, caffeine, cholecystokinin, sodium lactate, and adrenergic receptor agonists, such as yohimbine. Therefore, a healthcare professional would advise a patient with a history of panic disorder to avoid carbon dioxide and coffee and soda pop that contain caffeine or to consider decaffeinated varieties of these beverages.

For which neurotransmitter is there a decrease in receptor binding found in individuals with depression? - ANSWER- Decreased receptor binding for serotonin is found in major depression.

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Which monoamine findings are associated with mania? - ANSWER-While the precise pathophysiology is not completely understood, the monoamine theory of depression and observational results related to the effect of medications on monoamine levels suggests that low levels of monoamines are associated with depression, while higher concentrations are associated with mania.

Bipolar disorder increases what - ANSWER-Increased amygdala volume, increased norepinephrien levels

Depression has decreased what levels - ANSWER-serotonin

A woman with a history of schizophrenia asks the nurse practitioner, "Now that I am pregnant, how will my mental illness affect my baby?" Which statement is true regarding the effect on the woman's child? - ANSWER-Schizophrenia is believed to be caused by brain abnormalities that occur during the prenatal period of cell proliferation and migration.

Openly defiant behavior that stands out against other children's behavior and causes problems within the home and school is oppositional defiant disorder.

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