Nokea
A nurse is conducting discharge teaching for parents of a newborn. The nurse instructs the parents on which method of care for the umbilical cord? (Select all that apply.)
- A. Covering the cord with the diaper
- B. Cleansing the cord with water daily
- C. Keeping the cord area free of urine and stool
- D. Monitoring for signs of infection
Correct Answer: B
Rationale: Cleansing the cord with water daily - It is important to keep the umbilical cord clean to prevent infection. Cleaning it with water helps remove any debris or bacteria that may have accumulated.
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Building a tower by a 22-month-old child requires
- A. visual-motor coordination
- B. uses objects and actions in combination
- C. gross motor to solve problems
- D. fine motor and symbolic thought
Correct Answer: D
Rationale: At this age, building a tower involves fine motor skills and symbolic thinking.
Which is most descriptive of clinical reasoning?
- A. A simple developmental process
- B. Purposeful and goal-directed
- C. Based on deliberate and irrational thought
- D. Assists individuals in guessing what is most appropriate
Correct Answer: B
Rationale: Clinical reasoning is a complex cognitive process used by healthcare providers to make sound clinical decisions about patient care. It involves the gathering and analyzing of information, as well as the formulation and evaluation of potential treatment options. Clinical reasoning is purposeful in that it is driven by the goal of providing the best possible care for the patient. Healthcare providers use their knowledge, skills, and experience to systematically work through patient problems, identify possible solutions, and make informed decisions. The process is goal-directed, aiming to achieve positive health outcomes for the patient based on the best available evidence and clinical expertise.
A brain abscess is a collection of pus within the substance of the brain and is caused by:
- A. Direct invasion of the brain
- B. Spread of infection by other organs
- C. Spread infection from nearby sites
- D. All of the above mechanisms
Correct Answer: D
Rationale: A brain abscess can be caused by direct invasion of the brain by microorganisms, spread of infection by other organs (such as the heart or lungs), or spread of infection from nearby sites (such as sinuses or the middle ear). In some cases, multiple mechanisms can contribute to the development of a brain abscess. Therefore, the correct answer is that a brain abscess can be caused by all of the above mechanisms.
Spina bifida is one of the possible neural tube defects that can occur during early embryological development. Which of the following definitions most accurately describes meningocele? A.Complete exposure of spinal cord and meninges
- A. Herniation of spinal cord and meninges into a sac
- B. Sac formation containing meninges and spinal fluid
- C. B and C
- D. Spinal cord tumor containing nerve roots
Correct Answer: B
Rationale: Meningocele is a type of neural tube defect in which there is herniation of the meninges (protective membranes surrounding the brain and spinal cord) through a defect in the spinal column. This results in the formation of a sac-like protrusion that contains the meninges and cerebrospinal fluid but does not involve the spinal cord itself. In meningocele, the spinal cord remains in its normal position within the spinal canal. This condition is typically associated with spina bifida, a neural tube defect that occurs during early embryological development. Unlike myelomeningocele, which involves both the spinal cord and meninges protruding through the spinal column, meningocele specifically refers to the presence of a sac containing the meninges and spinal fluid without direct involvement of the spinal cord.
The most common buffer system in the body is the:
- A. Plasma protein buffer system
- B. Phosphate buffer system
- C. Hemoglobin buffer system
- D. Bicarbonate-carbonic system
Correct Answer: D
Rationale: The most common buffer system in the body is the bicarbonate-carbonic system. This system plays a crucial role in maintaining the pH balance in the blood. The bicarbonate ion (HCO3-) acts as a weak base, while carbonic acid (H2CO3) acts as a weak acid. The balance between these two components helps to regulate the pH of the blood.