A patient presents with a bacterial infection, and their innate immune response is activated. Which of the following cells is most likely to be rapidly recruited to the site of infection? 

A patient with an autoimmune disease has a deficiency in Tregs. What is the role of Tregs in the immune system?

A 70-year-old male with a history of chronic inflammatory conditions presents with new-onset fatigue and weight loss. Laboratory tests reveal elevated inflammatory markers and abnormal white blood cell counts.  What is the most likely explanation for his increased cancer risk? 

A 55-year-old female with a history of deep vein thrombosis is prescribed an anticoagulant that enhances the effects of prostacyclin.  What is the expected outcome of this therapy?

Which of the following is a characteristic of the adaptive immune system?

A 50-year-old male with a history of hepatitis B infection is diagnosed with liver cancer.   How can hepatitis B virus contribute to cancer development? 

A 55-year-old female with breast cancer is found to have cells that have undergone epithelial–mesenchymal transition (EMT).  What is the primary consequence of EMT in cancer progression? 

A 40-year-old female with a fractured ankle has been in a cast for 8 weeks. She now experiences muscle weakness and stiffness in her lower leg.  What is the most likely cause of her symptoms? 

A 20-year-old male presents with severe shoulder pain and deformity after falling on an outstretched arm. Physical examination reveals a prominent acromion and loss of the normal shoulder contour.  What is the most likely diagnosis? 

Which mechanism of injury is most likely to cause an ACL rupture?