MCQ Bank
Some of the most common effects of ionizing radiation are:
- A) Alteration of membrane permeability
- B) Chromosome aberrations
- C) Inhibition of cell division
- D) All of the above
When radiation interacts with a cell wall or DNA:
- A) The cell becomes energized
- B) The radiation shifts to a different waveform
- C) The cell either dies or becomes a different kind of cell such as a cancer cell
- D) The cell becomes radioactive
Which of the following involves preventing the accidental transmission of disease in the laboratory?
- A) All of the above
- B) Biosecurity
- C) Bioethics
- D) Biosafety
On the multi-colored chemical label, Blue represents
- A) Health Hazard
- B) None of the above
- C) Personal Protective Equipment
- D) Reactivity Hazard
If a person ingested a hazardous material then ____________ is first step should be taken in this emergency
- A) Identification of Ingested material
- B) Complete record
- C) Removal of ingested material
- D) Treatment
Spills of Chemicals should be
- A) Reported immediately
- B) Cleaned up by trained employees
- C) Prevented by using seal containers
- D) All of the above
When working in the laboratory with chemicals, what personal protective equipment (PPE) should be worn atall time?
- A) Always wear goggles and lab coats. Gloves should also be worn when needed
- B) None of the above
- C) Wear a lab coat only
- D) Goggles only
What are the two primary organs of the human anatomy affected by laser beams?
- A) Skin
- B) Eyes
- C) Both a and c
- D) Lungs
The DNA molecule to which gene of interest is integrated for cloning is called
- A) None of these
- B) Vector
- C) Transformer
- D) Carrier
Which statement is true for lab coats _____________
- A) Deposit for laundry/ should not be taken home
- B) Prevent personal clothing
- C) All given
- D) Remove-leaving for non-laboratory areas
A person qualified to perform electrical work must possess:
- A) All of the above
- B) Knowledge on the use of PPE, insulating and shielding materials, and insulated tools.
- C) Skills and techniques to determine the nominal voltage of exposed live parts
- D) Skills/techniques to distinguish live parts from other parts of electrical equipment
Viral vectors lack __________ genes
- A) All given
- B) Expression
- C) Resistance
- D) Replication
The DNA segment to be cloned is called as
- A) DNA fragment
- B) DNA insert
- C) All of the above
- D) Gene segment
_____ use caution when working near electricity?
- A) Never
- B) Always
- C) Sometimes
- D) Rarely
The primary risk from occupational radiation exposure is the increased risk of:
- A) Blindness
- B) None of the above
- C) Cancer
- D) Abrasions
Moderate risk of TB labs has
- A) low generation of aerosols
- B) high generation of aerosols
- C) moderate generation of aerosols
- D) undetectable generation of aerosols
Which of the following type(s) of Personal Protective Equipment (PPE) is frequently used?
- A) All of the above
- B) Face Shields
- C) Safety glasses
- D) Lab Coats
Micro incinerators are shielded in an open ended glass or ____________
- A) Aluminium foils
- B) Silver tubes
- C) Copper tubes
- D) Ceramic tubes
When a chemical splashes in the eye rinse for ________?
- A) 5 minutes
- B) 30 seconds
- C) 15 minutes
- D) 10 seconds
The genes formed by joining of DNA segment from two different sources are called as?
- A) Recombinant Gene
- B) Chimeric gene
- C) Both A and C
- D) Joined genes