A nurse is caring for a client who has headaches.
Which of the following precipitating factors is common in both tension-type headaches and cluster headaches?

Choice A rationale
Serotonin is indeed an inhibitory neurotransmitter. It helps regulate mood, appetite, and sleep among other things. However, its role in the nervous system is complex and it can also have excitatory effects depending on the specific receptors and neural pathways involved.
Choice B rationale
Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain. It works by decreasing neuronal excitability, which helps to regulate muscle tone, among other functions.
Choice C rationale
Acetylcholine is primarily an excitatory neurotransmitter, although it can have inhibitory effects in certain parts of the nervous system. It plays a key role in muscle activation, learning, and memory.
Choice D rationale
Dopamine can act as both an inhibitory and an excitatory neurotransmitter, depending on the type of receptor it binds to and the specific neural pathway involved. It plays key roles in reward, motivation, and motor control.

Choice A rationale
Nicardipine is a calcium channel blocker used to treat high blood pressure. While it can be used in the management of subarachnoid hemorrhage, it is not primarily used to decrease intracranial pressure.
Choice B rationale

Dopamine is a type of medication used to treat certain conditions such as low blood pressure, heart failure, and Parkinson’s disease. It is not typically used to decrease intracranial pressure in the context of a subarachnoid hemorrhage.
Choice C rationale
Mannitol is a type of medication that is used to decrease intracranial pressure. It works by drawing fluid out of the brain to help reduce swelling.
Choice D rationale
Phenytoin is a medication used to control seizures. While it can be used in the management of subarachnoid hemorrhage, it is not primarily used to decrease intracranial pressure. Migraine Explore