Which structure is NOT present in a hepatic portal triad?
a. Bile duct
b. Central vein
c. Hepatic artery
d. Lymphatic vessel
e. Hepatic portal vein
ANS: B
Central veins are present in the center, and not the periphery, of a liver lobule.
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The buffy coat which represents < 1% of the whole blood is comprised of
a. erythrocytes and platelets. b. leukocytes and platelets. c. leukocytes and clotting factors. d. platelets and clotting factors. e. clotting factors and albumins.
There are three anterior thoracic muscles. Select the exception.
A. Serratus anterior B. Levator scapulae C. Subclavius D. Pectoralis minor
The suture that forms the articulation of the parietal bone with the temporal bone is the ________ suture.
A) lambdoid B) rostral C) coronal D) squamous E) sagittal
Hemoglobin
a. is found in the nuclei of red blood cells b. contains carbonic anhydrase c. can combine with O2, CO2, H+, NO, and CO d. has all of the above characteristics e. has characteristics b and c