Nokea
Acetazolamide:
- A. Is used in the management of renal tubular acidosis
- B. Causes hypokalaemia
- C. Is usually given intravenously
- D. Inhibits the action of carbonic anhydrase
Correct Answer: D
Rationale: Inhibits the action of carbonic anhydrase: Acetazolamide works by inhibiting carbonic anhydrase, reducing the reabsorption of bicarbonate in the kidneys and helping with conditions like glaucoma, metabolic alkalosis, and altitude sickness.
You may also like to solve these questions
The treatment of choice for the lesion of the neonate is
- A. digoxin
- B. propranolol (Inderal)
- C. surgical shunt
- D. balloon valvuloplasty
Correct Answer: D
Rationale: Balloon valvuloplasty can relieve pulmonary stenosis and improve symptoms in Tetralogy of Fallot.
The following statements are true regarding a screening test:
- A. Sensitivity indicates the proportion of true positives
- B. Specificity indicates the proportion of true negatives
- C. Sensitivity is inversely related to specificity
- D. Prevalence affects predictive value
Correct Answer: D
Rationale: Prevalence affects predictive value
During a home visit, the nurse assesses the skin of a client with eczema who reports that an exacerbation of symptoms has occurred during the last week. Which information is most useful in determining the possible cause of the symptoms?
- A. An old friend with eczema came for a visit
- B. Recently received an influenza immunization
- C. A grandson and his new dog recently visited
- D. Corticosteroid cream was applied to eczema
Correct Answer: C
Rationale: Exposure to new allergens, such as a pet, can trigger eczema flare-ups.
The following are true about water excretion:
- A. It is influenced by the proximal tubule
- B. It is influenced by vasopressin
- C. It depends on erythropoietin
- D. It is influenced by the ascending limb of the loop of Henle
Correct Answer: B
Rationale: It is influenced by vasopressin: Vasopressin (ADH) regulates water reabsorption in the kidneys, primarily by acting on the collecting ducts, enhancing water retention in response to dehydration.
Which of the following statements is true regarding Glasgow coma scale (GCS) in children?
- A. The scale is validated as a prognostic scoring system in children and young infants
- B. Patients with GCS < or = 8 require aggressive management
- C. All patients with GCS < or = 5 should be intubated and mechanically ventilated
- D. It is useful in children to assess the neurological, circulatory and cardiac status
Correct Answer: B
Rationale: Patients with a GCS of 8 or less require aggressive management, as this indicates severe brain injury and potential airway compromise.