Question

which of the following is (are) a universal precaution with working with urine or saliva?
a. line the work area with clean paper towels.
b. wear gloves, lab aprons, and safety glasses.
c. after lab, disinfect work area and wash hands.
d. all of these
value: 10
what must any student do that is pregnant or becomes pregnant?
a. withdraw from the course
b. assume all activities are safe
c. notify the instructor
d. work with body fluids
value: 10
expectations for all students include which of the following?
a. return all lab items to the instructors desk.
b. leave all waste items for the janitor to clean up.
c. leave your work area as clean, or cleaner, than you found it.
d. dispose all gloves in the biohazard waste container.
value: 10
when working with chemicals or body fluids students must keep their hands away from ____.
a. their face
b. their mouth
c. their eyes
d. all of the above

Explanation:

1. First question:

• Line the work area with clean paper towels (a) helps in easy cleanup and preventing contamination spread.
• Wearing gloves, lab aprons, and safety glasses (b) is standard personal protective equipment (PPE) for handling biological fluids like urine or saliva.
• Disinfecting the work area and washing hands after lab (c) is crucial for hygiene and preventing the spread of potential pathogens.
• So all of these (d) are universal precautions.

1. Second question:

• A pregnant student does not need to withdraw from the course (a) unless there are specific high - risk activities (which is not indicated as a general rule).
• Assuming all activities are safe (b) is incorrect as some lab activities may pose risks.
• Working with body fluids (d) is not a requirement for a pregnant student.
• Notifying the instructor (c) is important so that appropriate adjustments (if needed) can be made to ensure safety.

1. Third question:

• Returning all lab items to the instructor's desk (a) is not a general expectation (items should be returned to their proper storage).
• Leaving all waste items for the janitor (b) is incorrect as students should clean up their own waste.
• Disposing all gloves in the biohazard waste container (d) is only true if the gloves are contaminated with biohazards.
• Leaving the work area as clean or cleaner than found (c) is a general good practice and expectation.

1. Fourth question:

• Chemicals or body fluids can be harmful if they come into contact with the face (a), mouth (b), or eyes (c).
• So keeping hands away from all of these (d) is necessary.

Answer:

1. d. all of these
2. c. notify the instructor
3. c. Leave your work area as clean, or cleaner, than you found it.
4. d. all of the above