Themba joined the army about

four years ago. Since then, he has experienced the loss of two colleagues with

whom he was close due to war combat missions in Central Africa. Recently, his

commander informed him of a potential deployment mission in

the Central African region. Since learning about the possibility of deployment, Themba has been overthinking

and developing concentration problems. About two days ago, Themba collapsed

during a morning roll call while on duty and was taken to a nearby military

hospital, where he was diagnosed with elevated blood pressure. After taking down

his history, the medical practitioner is likely to conclude that Themba is

experiencing--------------------- symptoms.