Nokea
Choose the condition th₃aâ»t exhibits blood values with a low pH and a low plasma bicarbonate concentration:
- A. Respiratory acidosis
- B. Metabolic acidosis
- C. Respiratory alkalosis
- D. Metabolic alkalosis
Correct Answer: B
Rationale: Metabolic acidosis is a condition characterized by a low pH (acidemia) and a low plasma bicarbonate concentration. In this condition, the body either produces too much acid, kidneys cannot remove enough acid, or there is a bicarbonate loss. This leads to an excess of hydrogen ions in the body, resulting in a decrease in pH and bicarbonate levels. Respiratory acidosis, on the other hand, is characterized by a low pH and a high carbon dioxide concentration. Respiratory alkalosis is characterized by a high pH and a low carbon dioxide concentration. Metabolic alkalosis is characterized by a high pH and a high bicarbonate concentration.
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The nurse notes the first stool of a newborn is black and tarry. Which term is used to describe this type of stool?
- A. Meconium
- B. Transitional
- C. Miliaria
- D. Milk stool
Correct Answer: A
Rationale: Meconium is the term used to describe the first stool of a newborn. This stool is black and tarry in appearance. Meconium is made up of materials ingested by the fetus while in the uterus, such as mucus, amniotic fluid, and cells shed from the stomach and intestines. It is typically passed by a newborn within the first few days of life before transitioning to transitional stools, which are greenish-brown in color, and eventually to normal milk stools as the baby starts feeding on breast milk or formula.
These facts are true regarding the developmental stage of preschool children EXCEPT
- A. handedness is achieved by 3 years of age
- B. boys are usually later than girls in achieving bladder control
- C. knowing gender by 4 years
- D. egocentric thinking
Correct Answer: D
Rationale: Egocentric thinking is characteristic of preschool-age children.
Prenatal screening is recommended for all pregnant women to detect neural tube defect. If a neural tube defect is present, one of the following is often elevated
- A. human chorionic gonadotropin
- B. a-fetoprotein
- C. estriol
- D. inhibin
Correct Answer: B
Rationale: Alpha-fetoprotein (AFP) levels are elevated in maternal serum when a neural tube defect is present due to fetal leakage of AFP into the amniotic fluid and maternal circulation.
A nurse is preparing to accompany a medical mission's team to a third world country. Marasmus is seen frequently in children 6 months to 2 years in this country. Which symptoms should the nurse expect for this condition?
- A. Loose, wrinkled skin
- B. Edematous skin
- C. Depigmentation of the skin
- D. Dermatoses
Correct Answer: A
Rationale: Marasmus is a form of severe malnutrition characterized by a significant deficiency in calories and protein intake. Symptoms of marasmus include severe wasting of muscle and fat stores, giving the appearance of loose, wrinkled skin due to the loss of subcutaneous fat. Other symptoms may include lethargy, irritability, delayed growth and development, and weakened immune function. Edematous skin is more commonly associated with kwashiorkor, another form of severe malnutrition characterized by protein deficiency with adequate caloric intake. Depigmentation of the skin and dermatoses are not typical symptoms of marasmus.
After the surgical incision has been clised and the anesthesia has wear-off, the patient is extubated and transferred to the postanesthesia care unit (PACU). Who is responsible for transferring the patient?
- A. Circulating nurse
- B. scrub nurse
- C. surgeon
- D. anesthesiologist
Correct Answer: D
Rationale: The anesthesiologist is responsible for transferring the patient to the postanesthesia care unit (PACU) after the surgical incision has been closed and the anesthesia has worn off. The anesthesiologist ensures that the patient is stable and ready for transfer, including assessing vital signs and overall condition. Due to their specialized training in anesthesia and perioperative care, the anesthesiologist is best equipped to manage the transition of care from the operating room to the PACU, where the patient will continue to be monitored closely during the immediate postoperative period.