The agglutinogens that determine the ABO and Rh blood types are
A. found on the surface of erythrocytes.
B. part of the reticular connective tissue of the spleen.
C. found in the cytoplasm of the erythrocytes.
D. located on the surface of the leukocytes.
E. located in the cytoplasm of the leukocytes.
Answer: A
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Which of the following muscle types are myogenic?
a. cardiac muscle b. single-unit smooth muscle c. multi-unit smooth muscle d. Both a and b e. Both b and c
During skeletal muscle contraction, adjacent ________ are pulled closer together as the ________ between them shorten.
A. Z disks; A bands B. I bands; A bands C. A bands; I bands D. Z disks; M lines
Epithelia ________.
A) provide sensation
B) control permeability
C) provide physical protection
D) produce specialized secretions
E) All of the answers are correct.
The iliac crest extends from the anterior superior iliac spine to the
A. anterior inferior iliac spine. B. posterior inferior iliac spine. C. anterior gluteal line. D. posterior gluteal line. E. posterior superior iliac spine.