The embryonic origin of the anterior pituitary gland is
A. glandular tissue from the cerebrum.
B. epithelium from the oral cavity.
C. an outpocket of the nasal cavity.
D. nervous tissue from the area of the hypothalamus.
Answer: B
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A respiratory infection caused by transport of livestock is called
a. bordatella c. asthma b. shipping fever d. heaves
Damage to which structure would produce an extensor rigidity that would NOT be significantly altered by section of the dorsal roots?
A. lateral vestibular nucleus B. anterior vermal region of the cerebellar cortex C. medullary reticular formation (nucleus gigantocellularis) D. cortical afferents to the pontine and medullary reticular formation E. cortex of the cerebellar hemisphere
Antibodies that act against a particular foreign substance are released by ________
A) lymph nodes B) plasma cells C) T lymphocytes D) medullary cords
The force per unit area that blood places on the inside wall of a blood vessel
A. is called the pulse. B. is called the blood pressure. C. increases the further the vessel is from the heart. D. is greater during diastole. E. is greater in the inferior vena cava than in the common iliac vein.