Final answer:
The side effects of controlled CNS stimulants most closely align with option c: headache, stiff neck, hypertension, or hypertensive crisis. These are known effects of stimulants such as amphetamines, which can also lead to physical dependence and addiction.
Step-by-step explanation:
Controlled CNS stimulants can have a variety of side effects due to their action on the central nervous system. These side effects can vary depending on the specific stimulant used, dosage, and the individual's response. Common side effects include increased heart rate, hypertension, feelings of euphoria, talkativeness, and appetite suppression. Physical dependence and addiction are also serious concerns with the misuse of these substances.
Regarding the options given in the question, option c. headache, stiff neck, hypertension, or hypertensive crisis seems to be the closest fit for the side effects of controlled CNS stimulants, particularly because stimulants are well-known to cause headache and hypertension. Hypertensive crisis can occur with high doses or misuse of these drugs. It’s important to note that side effects can be diverse and one individual may experience different side effects from another.