Fluid Balance
50-60%
Host Microbe Environment Interaction - Triangle
1. Host
2. Microbe
3. Environment
Maintenance of Osmolarity is through the?
Thirst ADH Mechanism
Which of the following organisms is a likely opportunist in a patient with burns or trauma due to a breach in the barrier and necrotic tissue?
Pseudomonas
What is the rate-limiting step of RAAS?
Renin
What is the primary pathophysiological mechanism that makes foreign bodies/invasive devices (like IV lines) a risk factor for opportunistic infection?
Breach and sticky material, Biofilm formation
RAAS acts to control volume status via effects on ____ reabsorption in the kidney?
Na
In the context of an intravenous (IV) line infection, thrombus formation acts as a virulence factor primarily by:
Shielding the microbe from the immune system.
What are the three Angiotensin II Actions?
2. Regulation of systemic blood pressure
3. Stimulates the hypothalamic thirst centre
A special silver stain of a deep respiratory specimen (BAL) shows organisms suggestive of a fungal infection in an HIV patient with a low CD4 count. The likely organism is Pneumocystis carinii (PCP). This patient's opportunistic infection is directly linked to which immunosuppressive condition?
AIDS