CFPN Toxicology and Pharmacology in Forensic Cases 3

Question 1

Which specimen type is preferred for determining recent drug use (within the past few hours) in a forensic investigation?

Accepted Answer

Blood

Answer

Blood reflects the most current drug levels, showing drugs present at or near the time of collection.

Question 2

A forensic pharmacy nurse is reviewing a toxicology report that shows a high GHB level. What is the critical challenge with GHB detection?

Accepted Answer

GHB is endogenously produced and has a very short detection window

Answer

GHB is naturally produced by the body and has a detection window of only a few hours, complicating forensic interpretation.

Question 3

What term describes the interaction where one drug significantly increases the toxic effects of another drug beyond simple addition?

Accepted Answer

Synergism (potentiation)

Answer

Synergism or potentiation occurs when the combined effect of two drugs is greater than the sum of their individual effects.

Question 4

Which drug is commonly used as a 'date rape' drug and is associated with drug-facilitated sexual assault investigations?

Accepted Answer

Flunitrazepam (Rohypnol)

Answer

Flunitrazepam (Rohypnol) is notorious for use in drug-facilitated sexual assault due to its potency, amnestic effects, and rapid onset.

Question 5

In forensic pharmacokinetics, what does 'Vd' (volume of distribution) indicate about a drug?

Accepted Answer

How extensively a drug distributes into body tissues vs. remaining in plasma

Answer

Volume of distribution describes how widely a drug disperses throughout body compartments relative to the plasma concentration.

CFPN - Certified Forensic Pharmacy Nurse Practice Test