Questions 24-26 refer to the following case: A patient has been receiving medication over the past 6 weeks that has been useful in alleviating his skeletal muscle weakness and paralysis due to Myasthenia Gravis. Today he presents with ptosis [weakness and paralysis of eyelid muscles] and extreme weakness of other skeletal muscles.    Which of the following patient problems is a definite contraindication to receiving neostigmine? 

Activation of beta-2 receptors causes:

Drug classes used to treat Asthma include all of the following EXCEPT: 

Of the autonomic drugs listed below, the one that will constrict cutaneous arterioles is:

Carbechol and Pilocarpine are _________, while epinephrine and isoproterenol are ________.

A drug that blocks the autonomic ganglia will:

Tolteradine is useful in treating overactive bladder because it: 

Second-generation H1 antagonists differ from first-generation H1 antagonists in that they: 

Questions 20-23 refer to the following case: Responses to 2 different types of parasympathomimetic drugs are to be compared. Drug X is a direct-acting parasympathomimetic and drug Y is an indirect-acting parasympathomimetic drug.    Actions common to both drug X and drug Y would include all of the following EXCEPT: 

Nicotinic antagonists, like Mivacurium, are used most frequently as: