Nokea
Factors triggering renin stimulation:
- A. Hyponatraemia
- B. ACTH
- C. Hypovolaemia
- D. ANP
Correct Answer: C
Rationale: Hypovolaemia
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The following drugs induce hepatic enzymes:
- A. Rifampicin
- B. Phenobarbitone
- C. Cimetidine
- D. Erythromycin
Correct Answer: A
Rationale: Rifampicin is known to induce hepatic enzymes, which can increase the metabolism of other drugs and reduce their efficacy.
A client is brought to the ED by ambulance in cardiac arrest with cardiopulmonary resuscitation (CPR) in progress. The client is intubated and is receiving 100% oxygen per self-inflating (ambu) bag. The nurse determines that the client is cyanotic, cold, and diaphoretic. Which assessment is most important for the nurse to obtain?
- A. Breath sounds over bilateral lung fields.
- B. Carotid pulsation during compressions
- C. Deep tendon reflexes
- D. Core body temperature
Correct Answer: A
Rationale: Assessing breath sounds ensures that the endotracheal tube is properly placed and that ventilation is effective, which is critical in a cardiac arrest situation.
Blau syndrome is associated with
- A. Amyloidosis
- B. Sarcoidosis
- C. Hemochromatosis
- D. Myeloma
Correct Answer: B
Rationale: Blau syndrome is associated with sarcoidosis
Causes of pancytopenia and splenomegaly include:
- A. Low-grade non-Hodgkin's lymphoma
- B. Gaucher's disease
- C. Alcoholic cirrhosis
- D. BI2 deficiency
Correct Answer: B
Rationale: Gaucher's disease, a lysosomal storage disorder, can cause pancytopenia and splenomegaly due to bone marrow infiltration and hypersplenism.
In autism:
- A. Social interaction is normal
- B. Dopamine levels are reduced
- C. Genetic factors may play a role in aetiology
- D. Methylphenidate is used with benefit
Correct Answer: C
Rationale: Genetic factors may play a role in aetiology: Autism spectrum disorder (ASD) has a strong genetic component, with numerous genes contributing to its development, although environmental factors may also play a role.