<prompt> Which of the following does not cause hyperventilationAnxietyHigh altitudePulmonary hypertensionPsychotic illness  <response>: CAUSES OF HYPERVENTILATION:1. Hypoxemiaa. High altitudeb. Pulmonary diseasec. Cardiac shunts2. Pulmonary disordersa. Pneumoniab. Interstitial pneumonitis, fibrosis, edemac. Pulmonary emboli, vascular diseased. Bronchial asthmae. Pneumothoraxf. Chest wall disorders3. Cardiovascular disorders a. Congestive heart failureb. Hypotension4. Metabolic disordersa. Acidosis diabetic, renal, lacticb. Hepatic failure5. Neurologic and psychogenic disordersa. Psychogenic or anxiety hyperventilationb. Central nervous system infection, tumours6. Drug-induced a. Salicylatesb. Methylxanthine derivativesc. Adrenergic agonistsd. Progesterone7. Miscellaneousa. Fever, sepsisb. Pain c. Pregnancy 