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Which of the following protein enzymes is released in an inactive form into the stomach?

Low blood pressure will lead to a decrease in the glomerular filtration rate (GFR).  What will the change be in ions passing the macula densa cells?

Which hormone released by the small intestine decreased gastric motility and causes the gall bladder to eject bile?

The stomach and intestines have four layers in their wall.  Which of the following shows the correct order from deep to superficial?

During glomerular filtration the glomerular capsule recieves filtrate from this structure.

Which organ of the alimentary canal contains 3 layers of muscle within the muscularis?

Select which organism(s) may appear as non-lactose fermenters on MAC, but ferment sugars present in XLD and HE agar?

What sample type should be rejected for culture?  

A 34-year-old male presents to an STI clinic with painful genital ulcers and tender inguinal lymphadenopathy. He reports unprotected sexual contact during recent travel. A swab is collected from the ulcer base and submitted for culture and Gram stain. Gram stain shows small, gram-negative coccobacilli.  The organism fails to grow on standard media after 48 hours. On day 3 there is 2+ growth of a small, gray colony on the CHOC plate, and a small amount of growth on the SBA plate. The MAC and MTM plates show no growth.  Which organism should be suspected? 

How does the integument change with age?