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In an endothermic reaction, is heat absorbed or is heat given off?

Balance the equation below by placing the correct coefficients in the blanks. Your response should list the coefficients in order from left to right, separated only by commas; no spaces. If no coefficient belongs in a blank, represent it with a “1”. For example the equation 2 H2O →  2 H2+O2 would be represented as 2,2,1. ____Cr + ____H2(SO4)  →  ____H2  +   ____Cr2(SO4)3  

All of the following regarding Wernicke Encephalopathy are correct EXCEPT:

You have a 22 year old female patient with a two year history of recurrent, unilateral, pulsating headaches with vomiting and photophobia. The headaches, which generally last 3 hours can be aborted by resting in a dark room. Her physical examination is unremarkable. This representation is most consistent with:

An elderly lady comes to the clinic complaining of having difficulty when she tries to do her needlework. She walks straight, although somewhat slowly, and no rigidity is noted on movement. She states the shaking in her hands stops when she holds her hands in her lap. The nurse practitioner makes a tentative diagnosis of:

All of the following regarding Wernicke Encephalopathy are correct EXCEPT:

Thymectomy is usually recommended in early treatment of which disease?

A 22 year old female presents with a 3 year history of recurrent, pulsating headaches with vomiting and photophobia. The headaches, which generally last 3 hours, can be aborted by resting in a dark room. She can usually tell she is going to get a headache. She states “I see squiggles before my eyes for about 15 minutes”. Her physical exam is unremarkable. This presentation is most consistent with:

Unlike ulcerative colitis, the crohn type of inflammatory bowel disease is characterized by all of the following except: 

Duodenal ulcers are commonly characterized by: