General Medical Questions and Answers # 4

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1.  What is the most common cause of lethal poisoning in the US?
Carbon monoxide poisoning

2. Is there a survival advantage for patients with prostate cancer given antiandrogens combined with LHRH agonists as opposed to LHRH agonists alone?
Yes, there is a small survival advantage to using the combination of LHRH agonists plus antiandrogens

3.  What is stage II hypertension?
Stage II hypertension is SBP of 160-179 or DBP of 100-109 averaged from 2 or more readings from 2 or more occasions

4.  How much of the 98% intracellular total body stores of potassium are intramuscular?
66% of the intracellular potassium is found intramuscularly.

5. What disease is characterized by chronic ear infections with chronic malodorous drainage, and a grayish-white, shiny, keratinous mass behind or involving the TM?
Cholesteatoma

6.  What is the effect of high dose dopamine?
Alpha agonist that increases afterload

7.  What are the three risk factors for colon carcinoma in patients with ulcerative colitis?
    * History of pan-colitis
    * Presence of disease more than 10 years
    * Family history of colon carcinoma

8.  What happens to the complement C3 levels in the setting of active SLE with renal involvement?
The C3 levels would be depressed

9.  Does the blood for ammonia measurement need special handling?
Yes, it should be placed on ice immediately after drawing

10.  What is Conn syndrome?
Hypersecretion of aldosterone

11.  What type of headache is characterized by head pain with a band like discomfort?
This is a description of a tension headache

12.  What is the most common symptom of intestinal giardiasis?
Abdominal bloating

13.  What is the classic triad of pheochromocytoma?
    * Headache
    * Palpitations
    * Episodic diaphoresis

14.  What is the most common cause of posterior mediastinal neoplasms?
Neurogenic tumors

15.  List six manifestations of hyperviscosity syndrome?
    * Global CNS dysfunction
    * Retinopathy (retinal hemorrhages, papilledema)
    * Hypervolemia, CHF
    * HA, vertigo, ataxia
    * Stroke
    * Coagulopathy

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