A laboratory safety officer must be aware of which of the following?
A) Blood and other body fluids must be disposed of in special containers but all chemicals can be flushed down the laboratory sink.
B) All waste generated in the laboratory including blood and body fluids can be discarded into one container.
C) There is no state or federal regulations that provide guidelines for proper disposal of all laboratory waste.
D) Laboratories are identified by the Resource Conservation and Recovery Act (RCRA) as waste generators, and they require a permit for proper waste disposal.
Question 2
A 70-year-old male presents to the emergency room with headache, nausea, fever, lethargy, and confusion over the past three days. A cerebrospinal fluid is sent to the laboratory.
Laboratory testing includes:
Direct CSF Gram stain: no organisms seen with rare white blood cells
CSF culture: no growth at 48 hours
Blood culture: no growth at 48 hours
CSF glucose: 60 mg/dl
CSF protein: 62 mg/dl
CSF White blood cell count: 233 lymphocytes
Given these results, what patient history information may be most helpful in narrowing down the possible causative agent?
A) Has the patient recently had the mumps?
B) Has the patient been exposed to mosquitoes and ticks recently?
C) Has the patient been swimming in fresh water recently?
D) Does the patient work at a daycare facility?
Convergent evolution in body forms
Three Tissue Systems Extend Throughout the Plant Body
The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c
One type of safety needle withdraws into a protective sheath when the injection is complete.
Blood Flow Through Capillaries
Movement of fluids in the body is accomplished by A. osmosis, B. diffusion, or C. active transport