Which forms of terrorism are considered relatively rare?

• A. Nuclear, biological, and chemical
• B. Cyber
• C. Vehicle-ramming
• D. Insider threats

Answer: (A)

The main concept tested here is the practical likelihood of different terrorist methods in real-world hospital security. Nuclear, biological, and chemical threats are comparatively rare because they require highly specialized materials, equipment, and expertise, plus stringent regulatory controls and significant safety risk to the attacker. Access to controlled agents or devices is tightly guarded, making incidents difficult to carry out and, as a result, infrequent.

In contrast, other threat types tend to be more common. Cyber threats grow steadily as hospitals depend on networked systems and digital records, making data breaches and ransomware a frequent concern. Vehicle-ramming is a simpler, more readily executed method that can be deployed with a vehicle and minimal planning, contributing to higher incident frequency. Insider threats, while serious, occur with greater regularity than NBC threats due to legitimate access to facilities and information.

So, nuclear, biological, and chemical forms are the best answer because their practical occurrence is much rarer compared to the more accessible and widely exploited methods listed.