During hemopoiesis, some of the myeloid stem cells will eventually develop into
a) proerythroblasts.
b) T lymphoblasts.
c) B lymphoblasts.
d) NK lymphoblasts.
e) all of these choices.
a
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These muscles increase thoracic cavity dimensions by elevating the first and second ribs during forced inhalation
A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior
The nucleus of a cell functions to
A. produce ATP. B. control and coordinate cellular activities. C. digest lipids. D. synthesize proteins. E. produce secretory vesicles.
Identify the three main classes of lymphocytes
A) T cells, B cells, and helper cells B) T cells, B cells, and natural killer cells C) RBCs, WBCs, and platelets D) acute lymphocytes, chronic lymphocytes, and resident lymphocytes E) cytotoxic T cells, helper T cells, and memory T cells
Hormones that regulate the male and female reproductive organs are collectively called
A) gonadotropins. B) releasing hormones. C) inhibiting hormones. D) eicosanoids. E) steroids.