#Question id: 10995
#Unit 7. System Physiology – Animal
When recording lead III on an EKG, the negative electrode is the
#Question id: 10939
#Unit 7. System Physiology – Animal
After a person is placed in an atmosphere with low oxygen, how long does it take before there are increased numbers of reticulocytes?
#Question id: 10925
#Unit 7. System Physiology – Animal
During the second trimester of pregnancy, where is the predominant site of red blood cell production?
#Question id: 10926
#Unit 7. System Physiology – Animal
Following a blood donation, red cell production begins to increase in
#Question id: 10927
#Unit 7. System Physiology – Animal
A 62-year-old female arrives for her annual physical. She complains of itching in her hands along with headaches and vertigo. A routine complete blood count (CBC) shows red blood cells (RBCs) of 8.2 million/μl, white blood cells (WBCs) 37,000/μl, and platelets 640,000/μl. Her erythropoietin levels are lower than normal. The primary diagnosis would be
#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?