This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Anaesthesia
All of the following can be used in increased ICT except 
Select and explain. 
A. Ketamine, B. Thiopentone, C. Acetazolamide, D. Mannitol
A: Ketamine
Answer: A: Ketamine 
Explanation: (A) Ketamine # Complications of Ketamine:> Hypertension, tachycardia> Emergence delirium, nightmares, hallucinations (less frequent with intramuscular injection, least in elderly and below 15 yrs.)> Salivation, Increased intracranial pressure; Prolonged recovery.> Allergic reactions - Transient erythema/Morbilliform rash> Respiratory depression (dose dependent injection to be slow).