Blockage of the ileocecal valve would prevent
A. pancreatic juice from entering the duodenum.
B. bile from entering the duodenum.
C. lymph from entering the jejunum.
D. chyme from entering the ileum.
E. chyme from entering the large intestine.
E
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Which type of epithelial tissue lines the fallopian tubes, uterus, and some bronchioles of the respiratory tract?
a) Simple cuboidal epithelium b) Simple columnar epithelium c) Stratified columnar epithelium d) Stratified cuboidal epithelium e) Transitional epithelium
A nonessential amino acid is one that
A. can be made within the body. B. has the same structure as one of the other amino acids. C. is not used in any physiological functions. D. needs to come from the diet.
Which of the following organelles is responsible for generating most of the energy the cell uses to perform work?
A)mitochondrion B)nucleolus C)smooth endoplasmic reticulum D)centriole E)Golgi apparatus
Where are the parathyroid glands located?
a) in the mediastinum b) retroperitoneal and inferior to the kidney c) embedded in the thyroid gland d) in the walls of the third ventricle