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Ch. 14 The Autonomic Nervous System

Chapter 13, Problem 15

Mr. Johnson suffers from urinary retention and a hypoactive urinary bladder. Bethanechol, a drug that mimics acetylcholine's autonomic effects, is prescribed to manage his problem. First explain the rationale for prescribing bethanechol, and then predict which of the following adverse effects Mr. Johnson might experience while taking this drug (select all that apply): dizziness, low blood pressure, deficient tear formation, wheezing, increased mucus production in bronchi, deficient salivation, diarrhea, cramping, excessive sweating, undesirable erection of penis.

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Welcome back everyone. Our next problem says multiple system atrophy, MS A is a rare degenerative neurological disorder that affects involuntary autonomic functions including blood pressure and motor control of the body. Which of the following symptoms is more commonly associated with the cerebella type of MS A A tremors and stiffness. B, difficulty swallowing. C problems with balance and coordination or d slow movement. Well, this one's a little bit tricky. Um but the key here is, it says which of the following symptoms is more commonly as associate associated with the cerebellar type. And hopefully, we can recall that there are two types of MS A. There's the Sarah Beller type which our question is asking us about and the Parkinson's type. So if we need to distinguish which symptom would be most likely caused by the cerebella type. A good place to start would be what is, what does the cerebellum control or what does it do and it's responsible for maintaining balance and coordination and posture. In addition, if we talk about a Parkinson's type and think about the symptoms of Parkinson's, we think about it affecting motor movements and causing things like stiffness and tremor um and slow movement. So, thinking about that function of the cerebellum can help point us to a symptom that would be associated with cerebella MS A. And we would then select choice C problems with balance and coordination since we know the cerebellum maintains balance and coordination and that is our answer. Uh The other answer, choices are not characteristic of specifically the cerebella type. So choice C problems with balance and coordination is our answer here. See you in the next video.