A 48-year-old man presents with a lung mass. Biopsy shows poorly differentiated epithelial cells with irregular nuclei. Which cellular change explains the findings?

A 28-year-old man develops wheezing, hypotension, and widespread hives minutes after a wasp sting. Which immune process explains his reaction?

A 42-year-old woman develops symmetric joint pain, morning stiffness, and nodules on her hands. Which process best explains her disease?

A 25-year-old woman presents with recurrent oral ulcers, photosensitivity, and polyarthritis. Labs show ANA and anti-dsDNA positivity. Which process best explains her disease?

A 60-year-old woman presents with new-onset difficulty breathing and fatigue. Chest X-ray reveals a mediastinal mass compressing the thymus. Which immune process could be impaired?

A 10-year-old boy presents with recurrent respiratory infections and chronic diarrhea. Lab testing shows absent T-cells and B-cells. Which mechanism best explains his condition?

Always use your @hgtc.edu email address (Gmail, D2L and other emails often go to Spam) & include your class section number (visible within the photo banner across the entire top of the B210 Homepage News i.e. B210 ) because I teach multiple BIO210/BIO211 classes. 

  Which of the following is true of retinopathy as a consequence of diabetes?    

Show the front and back of your whiteboard before you submit your quiz.  Your whiteboard needs to be BLANK/NO WRITING is permitted here. Failure to this step will result in a 10% reduction of your final quiz score.

What kind of bond is a water molecule