A school-age child with a history of asthma has brought a no…

A school-age child with a history of asthma has brought a note home from school stating there has been one case of meningitis (Neisseria meningitidis) in the school. Since the mother is a respiratory therapist, she is very concerned since she knows the portal of entry of this pathogen is:

Following a spider bite she received while camping, a 20-yea…

Following a spider bite she received while camping, a 20-year-old female presented to the emergency department with rash, edema, and fever and was subsequently diagnosed with serum sickness. Which statement best conveys the physiologic rationale for the broad systemic effects of this event?

A 60-year-old male office worker presents to a clinic compla…

A 60-year-old male office worker presents to a clinic complaining of new-onset of lower back pain that has been worsening over the last 6 weeks. The clinician knows that which component of his physical assessment and history is most indicative of a serious pathologic process (like aortic aneurysm or cancer)?

A newly diagnosed HIV-positive adolescent has blood work dra…

A newly diagnosed HIV-positive adolescent has blood work drawn that includes a CD8+ T-cell count. The clinician knows that which functions of CD8+ T cells listed below will assist the adolescent’s immune system in fighting off the viral attack? Select all that apply.