Which of the following constitutes the principal venous drainage of the thoracic organs?
A. The branches of the celiac trunk
B. The azygos system
C. The hepatic portal system
D. The coronary and pulmonary veins
E. The mesenteric circulation
Answer: B
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Which of the following tissues lines the oral cavity?
A. Ciliated pseudostratified columnar epithelium B. Simple columnar epithelium C. Simple cuboidal epithelium D. Simple squamous epithelium E. Stratified squamous epithelium
Interneurons are specialized to carry impulses from receptor cells into the brain or spinal
cord. Indicate whether the statement is true or false
How does inoculation protect the body against infectious diseases??
A) ?Booster substances are injected to increase the strength of the immune system. B) ?The antibody for a specific infection is injected to be available to defend the body. C) ?Small amounts of disease-causing substances are injected to stimulate the body to produce antibodies.
Which of the following is NOT a cranial bone?
A) zygomatic bone B) occipital bone C) frontal bone D) parietal bone