Which change in the brain's biochemical function is most associated with suicidal behavior?
a. Dopamine excess
b. Serotonin deficiency
c. Acetylcholine excess
d. Gamma-aminobutyric acid deficiency
ANS: B
Research suggests that low levels of serotonin may play a role in the decision to commit suicide. The other neurotransmitter alterations have not been implicated in suicidality.
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During the reproductive system health history, a patient tells the nurse about having excessive menstrual flow. The nurse would document this information as:
A) Metrorrhagia B) Oligomenorrhea C) Polymenorrhea D) Menorrhagia
The nurse researcher wants to use a probability sample in the research study. Which is an example of a probability sampling method?
A) Convenience B) Cluster C) Purposive D) Quota
Patients demonstrating apnea have
A) Usually have a temporary cessation of breathing B) Decreased rate and depth of respirations C) Increased rate and depth of respirations D) Normal respiratory rate of 20
Which factor, noted by the nurse during the pediatric health history portion of the assessment process, would indicate the child is at risk for attention deficit/hyperactivity disorder (ADHD)?
1. Measles, mumps, and rubella vaccine 2. Advanced parental age 3. Prenatal exposure to smoke 4. Immune response