Which of the following formed elements do not have chromosomes?
A. erythrocytes
B. reticulocytes
C. erythroblasts
D. erythrocytes and reticulocytes
E. erythrocytes, reticulocytes and erythroblasts
D
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In nursemaids elbow the radial head is dislocated from the
A) ulnar collateral ligament. B) radial collateral ligament. C) articular capsule. D) anular ligament. E) antebrachial interosseous membrane.
Which bone does not contain a paranasal sinus?
A. Sphenoid bone B. Frontal bone C. Ethmoid bone D. Mandible E. Maxilla
Which description demonstrates direct supervision?
a. The supervisor only needs to be physically on the premises. b. The supervisor needs to be on the premises and near enough to be of assistance. c. The supervisor doesn't need to be on the premises, just familiar enough with the animal to have left instructions for its care. d. The supervisor needs to be in the same room.
Which of the following surrounds individual muscle fibers?
A) epimysium B) perimysium C) endomysium D) tendon