The combination of antimuscarinic effects (e.g., sedation, dry flushed skin, hyperthermia, pupillary dilation, decreased bowel sounds, sinus tachycardia) with α1 receptor blockade (hypotension) is suggestive of what condition?
a) Serotonin syndrome
b) Neuroleptic malignant syndrome (NMS)
c) Anticholinergic toxicity
d) Opioid overdose