#Question id: 8894
#Unit 9. Diversity of Life Forms
#Question id: 11019
#Unit 7. System Physiology – Animal
An 80-year-old man had an EKG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which of the following statements are likely conditions in someone with atrial fibrillation?
#Question id: 10928
#Unit 7. System Physiology – Animal
A 40-year-old woman visits the clinic complaining of fatigue. She had recently been treated for an infection. Her laboratory values are RBC 1.8 × 106/μl, Hb 5.2 g/dL, hematocrit (Hct) 15, WBC 7.6 × 103/μl, platelet count 320,000/μl, mean corpuscular volume (MCV) 92 fL, and reticulocyte count 24%. What is the most likely explanation for this presentation?
#Question id: 1233
#Unit 4. Cell Communication and Cell Signaling
Transphosphorylation (cross-phosphorylation) of receptor tyrosine kinases
a. inhibits catalytic activity.
b. promotes transphosphorylation of additional tyrosine residues.
c. triggers release of the ligand.
d. generates binding sites for signaling molecules.
#Question id: 16086
#Unit 7. System Physiology – Animal