At what stage of development of RBCs does hemoglobin production begin?
A) stem cell
B) proerythroblast
C) reticulocyte
D) mature erythrocyte
Ans: B) proerythroblast
Anatomy & Physiology
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Antigens that induce an allergic reaction are called
a) lymphotoxin b) perforin c) granulysin d) interleukin-1 e) allergen
Anatomy & Physiology
Which term best describes the function of blood when considering the presence of leukocytes and antibodies?
A. Regulation B. Prevention C. Protection D. Transportation
Anatomy & Physiology
Which of the following parasites is visible to the naked eye?
a. roundworm c. hookworm b. whipworm d. coccidian
Anatomy & Physiology
Which of the following cranial nerves innervates only one muscle of the eyeball?
A. optic nerve B. facial nerve C. trochlear nerve D. trigeminal nerve E. oculomotor nerve
Anatomy & Physiology