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Which is a function of brown adipose tissue (BAT) in the newborn?
- A. Provides ready source of calories in the newborn period
- B. Insulates the body against lowered environmental temperature
- C. Protects the newborn from injury during the birth process
- D. Generates heat for distribution to other parts of body
Correct Answer: D
Rationale: Brown adipose tissue (BAT) is specialized adipose tissue found in newborns and hibernating mammals, whose primary function is to generate heat through non-shivering thermogenesis. This heat generation is essential for maintaining body temperature in newborns, especially as they have a larger surface area-to-volume ratio, which results in greater heat loss compared to adults. BAT produces heat by metabolizing stored lipids and disrupting the normal process of cellular respiration, leading to the production of heat instead of ATP. The heat generated by BAT is then distributed throughout the body to help maintain a stable core body temperature in newborns, who are not yet able to regulate their body temperature as effectively as adults.
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After general anesthesia, elective procedures should generally be avoided in children with a URI for how long?
- A. 1-2 weeks
- B. 2-4 weeks
- C. 4-6 weeks
- D. 6-8 weeks
Correct Answer: B
Rationale: It is recommended to wait at least 2-4 weeks after resolution of a URI before proceeding with elective surgery.
A nurse in the newborn nursery is monitoring a preterm newborn infant for respiratory distress syndrome. Which assessment signs if noted in the newborn infant would alert the nurse to the possibility of this syndrome?
- A. Hypotension and Bradycardia
- B. Tachypnea and retractions
- C. Acrocyanosis and grunting
- D. The presence of a barrel chest with grunting
Correct Answer: B
Rationale: Respiratory distress syndrome (RDS), also known as hyaline membrane disease, is a condition commonly seen in preterm newborn infants. The two classic signs of RDS are tachypnea (rapid breathing) and retractions. Tachypnea is defined as a respiratory rate greater than 60 breaths per minute in newborn infants. Retractions refer to visible indrawing of the chest wall with each breath, indicating increased work of breathing. These signs are indicative of the infant's struggle to breathe and can suggest the presence of RDS. While acrocyanosis (bluish discoloration of the extremities) and grunting may also be present in infants with RDS, tachypnea and retractions are more specific indicators of respiratory distress. Hypotension and bradycardia are not common signs of RDS. The presence of a barrel chest with grunting is not specific
Which nursing diagnosis is most appropriate for a client with Addison's disease?
- A. Risk for infection
- B. Urinary retention
- C. Excessive fluid volume
- D. Hypothermia
Correct Answer: C
Rationale: Addison's disease is a condition characterized by adrenal insufficiency, resulting in a deficiency of aldosterone and cortisol. Without aldosterone, the body is unable to regulate fluid and electrolyte balance properly, leading to sodium loss and potassium retention. This imbalance can result in excessive fluid volume, as the kidneys retain water and sodium. Symptoms of excessive fluid volume in Addison's disease can include edema, weight gain, and hypertension. Therefore, the most appropriate nursing diagnosis for a client with Addison's disease would be Excessive Fluid Volume.
Primary amenorrhea should be considered for any female adolescent who has not reached menarche by
- A. 13 years or has not done so within 3 years of thelarche
- B. 14 years or has not done so within 2 years of thelarche
- C. 14 years or has not done so within 3 years of thelarche
- D. 15 years or has not done so within 3 years of thelarche
Correct Answer: D
Rationale: Primary amenorrhea is suspected if menarche has not occurred by age 15 or within 3 years of thelarche.
Which strategies should the school nurse recommend implementing in the classroom for a child with attention deficit hyperactive disorder (ADHD)? (Select all that apply.)
- A. Schedule heavier subjects to be taught in the afternoon.
- B. Accompany verbal instructions by written format.
- C. Limit number of breaks taken during instructional periods.
- D. Allow more time for testing.
Correct Answer: B
Rationale: Accompany verbal instructions by written format: Children with ADHD may have difficulty retaining verbal instructions due to their distractibility and impulsivity. Providing written instructions alongside verbal ones can help reinforce the information and improve comprehension.