Hemocytoblast stem cells
A. are specialized cells.
B. are found in yellow bone marrow.
C. form branches of trees.
D. are abundant in the plasma.
E. give rise to all formed elements in the blood.
E
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What is the correct order for the parts of the spinal cord, from superior to inferior?
A. Thoracic - cervical - lumbar - coccygeal - sacral B. Cervical - thoracic - lumbar - sacral - coccygeal C. Cervical - thoracic - sacral - coccygeal - lumbar D. Thoracic - lumbar - sacral - coccygeal - cervical E. Thoracic - lumbar - sacral - cervical - coccygeal
For the repolarization phase of an SA nodal cell action potential,
A. calcium channels open and sodium channels close. B. sodium and potassium channels open. C. calcium and potassium channels close. D. sodium and chloride channels open. E. calcium channels close and potassium channels open.
what is the action of the subscapularis?
a) medially rotate humerus b) retract the scapula c) protract the scapula d) laterally rotate humerus
Which is a result of an absence of thyroid hormones during fetal development?
A. Addison's disease B. Acromegaly C. Cushing's syndrome D. Graves' disease E. Congenital hypothyroidism (cretinism)