Nokea
A 45-year-old patient has a long- standing history of allergies to pollen. Which of the following actions indicates that the patient does not understand how to control this disease?
- A. Staying indoors on dry, windy days.
- B. Refusing to walk outside in the spring.
- C. Driving in the care with the windows open.
- D. Working in the garden on sunny days.
Correct Answer: C
Rationale: Driving in the car with the windows open is not a recommended action for someone with allergies to pollen. Keeping the windows closed while driving can help minimize exposure to pollen particles in the air. By driving with the windows open, the individual is increasing their exposure to pollen and not effectively controlling their allergy symptoms. Staying indoors on dry, windy days (Choice A), refusing to walk outside in the spring (Choice B), and working in the garden on sunny days (Choice D) are all actions that demonstrate understanding of how to control allergies to pollen by avoiding potential triggers.
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Which of the following responses indicates sympathetic nervous system function?
- A. Tachycardia, dilated pupils
- B. Hypoglycaemia, headache
- C. Increased peristalsis, abdominal cramping
- D. Pupil constriction, bronchoconstriction
Correct Answer: A
Rationale: The sympathetic nervous system is responsible for the body's "fight or flight" response. Tachycardia (increased heart rate) and dilated pupils are classic responses of the sympathetic nervous system activation during times of stress or danger. These physiological responses prepare the body for action, such as running away from a threat.
For which of the ff conditions would the use of salt tablets be considered?
- A. a. Mild deficits of serum sodium
- B. Severe deficits of serum magnesium
- C. Severe deficits of serum potassium
- D. Severe deficits of serum calcium
Correct Answer: A
Rationale: Salt tablets should be considered for mild deficits of serum sodium. Salt tablets contain sodium chloride, which helps increase the sodium levels in the body. In cases of mild deficits of serum sodium, also known as hyponatremia, salt tablets can help replenish the sodium levels and correct the electrolyte imbalance. However, for severe deficits of serum magnesium, potassium, or calcium, other specific electrolyte replacement therapies are usually preferred over salt tablets. It is important to consult a healthcare professional for proper diagnosis and treatment of electrolyte imbalances.
A nurse is assessing a preterm newborn for the possibility of necrotizing enterocolitis (NEC). Which assessment findings should the nurse expect to find if NEC is confirmed? (Select all that apply.)
- A. Minimal gastric residual
- B. Abdominal distention
- C. Apnea
- D. Urinary output at 2 ml/kg/hr
Correct Answer: B
Rationale: Abdominal distention: NEC is characterized by abdominal distention due to gas and fluid accumulation in the intestines, leading to a bloated appearance of the abdomen.
After surgery the nurse notes that the patient's urine is dark amber and concentrated. Which of the following does the nurse understand may be the reason for this?
- A. The sympathetic nervous system saves fluid in response to stress of surgery.
- B. The sympathetic nervous system diereses fluid in response to stress of surgery.
- C. The parasympathetic nervous system saves fluid in response to stress of surgery.
- D. The parasympathetic nervous system diereses fluid in response to stress of surgery.
Correct Answer: A
Rationale: The sympathetic nervous system saves fluid in response to the stress of surgery, leading to the urine becoming dark amber and concentrated. During stressful events such as surgery, the body activates the sympathetic nervous system as part of the fight-or-flight response. One of the functions of the sympathetic nervous system in this situation is to conserve fluids in the body by reducing urine output. This results in more concentrated urine, often appearing dark amber in color. Conversely, the parasympathetic nervous system is not typically involved in conserving fluid during stress responses.
What is the pathophysiologic mechanism of cystic fibrosis leading to obstructive lung disease?
- A. Fibrosis of mucous glands and destruction of bronchial walls
- B. Destruction of lung parenchyma from inflammation and scarring
- C. Production of secretions low in sodium chloride and therefore thickened mucus
- D. Increased serum levels of pancreatic enzymes that are deposited in the bronchial mucosa
Correct Answer: C
Rationale: Cystic fibrosis (CF) is caused by mutations in the CFTR gene, leading to altered transport of sodium and chloride ions in and out of epithelial cells. This results in the production of secretions that are low in sodium chloride, leading to thickened mucus. The abnormally thick, abundant secretions from mucous glands in the respiratory tract can obstruct the airways, leading to chronic, diffuse obstructive pulmonary disease in almost all patients with CF. This process impairs mucociliary clearance, predisposing individuals to recurrent lung infections, inflammation, and ultimately bronchiectasis. This mechanism is a key factor in the pathophysiology of cystic fibrosis-associated obstructive lung disease.