When erythrocytes are broken down, the heme group is broken down and excreted as
A. bile pigments.
B. iron.
C. amino acids.
D. erythropoietin.
Answer: A
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Maggie is a 28-year-old Caucasian woman who has newly diagnosed rheumatoid arthritis. She complains of painful, stiff hands and feet, feeling tired all the time, and reports an intermittent low-grade fever
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How thick are capillary walls?
a. 1 micrometer b. 10 micrometers c. 100 micrometers d. 1 millimeter e. 10 millimeters
Leptin
a. is secreted by adipocytes. b. leads to appetite suppression. c. targets the hypothalamus. d. both (a) and (b) above. e. all of these answers.
Which of the following structures is NOT found in a synovial joint?
A. Joint capsule B. Ligaments C. Articular cartilage D. Synovial membrane E. All of these structures are found in a synovial joint.