This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Medicine
In organophosphorus compound poisoning atropine can reverse all the following signs EXCEPT 
Select and explain. 
A. Lacrimation, B. Diaphoresis, C. Diarrhea, D. Muscle weakness
D: Muscle weakness
Answer: D: Muscle weakness 
Explanation: Ans. d (Muscle weakness). (Ref. Harrison, Principles of Internal Medicine, 16th ed., 2589)Rx of organophosphorus compound (OPP)# In OPP poisoning treatment with atropine can reverse muscarinic effects (salivation, lacrimation, urine incontinence, diarrhoea, diaphoresis, emesis, bronchorrhoea, wheezing, seizures, abdominal cramps, and incontinence of feces).# While pralidoxime (2-PAM), a cholinesterase reactivator is for reversal of nicotinic signs and symptoms due to organophosphates, nerve gases or unknown anticholineesterases (hypertension, muscle cramps, fasciculations, weakness and paralysis). Toxicity/ Withdrawal ofRx1Opioid withdrawalMethadone2Aspirin intoxicationSodabicarb3TCA intoxicationSodabicarb4Diphenhydramine intoxicationPhysostigmine5Acetaminophen toxicityN-acetyl cystiene6Alcohol withdrawalChlordiazepoxide7b-blocker toxicityAtropine, IV Fluids, Glucagon8OPPAtropine, Oximes