The embryonic origin of the anterior pituitary gland is
A. epithelium from the oral cavity.
B. nervous tissue from the area of the hypothalamus.
C. an outpocket of the nasal cavity.
D. glandular tissue from the cerebrum.
A
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What shape would you classify a muscle that is composed of fascicles all running in the same direction?
A. Convergent B. Pennate C. Rectilinear D. Fusiform E. Parallel
The enterohepatic circulation reabsorbs bile salts in the distal portion of the small intestine (ileum). All of the following statements about the enterohepatic circulation are true except one
Select the statement below that is not true of the enterohepatic circulation? A) Reabsorbing bile salts in the ileum gives more time to emulsify lipid and aid in their absorption within a greater length of the small intestine. B) All of the components of bile are recycled by this circulation. C) Reabsorption of bile salts reduces the need to synthesize new bile salts. D) The reabsorption of bile salts allows them to be reused within new bile.
The cilia of the hair cells of the semicircular canals are embedded in the
A) saccule. B) cupula. C) utricle. D) cristae. E) ampullae.
Which of the following chromosome anomalies can be found in either sex?
A. Turner's Syndrome (XO) B. Klinefelter's Syndrome (XXY) C. Down Syndrome (Trisomy 21) D. Barker's Syndrome E. They all can be found in either sex.