Which of the following statements is true regarding tonsils?
a. Tonsils provide protection against bacteria entering the oral and nasal cavities.
b. Tonsils contain red pulp and white pulp.
c. Tonsils increase in size in adults.
d. Tonsils are located in both the oral and abdominal cavities.
e. Tonsils are not functional in children.
Ans: a. Tonsils provide protection against bacteria entering the oral and nasal cavities.
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The posterior horns of the spinal cord contain
A. axons of sensory neurons and cell bodies of interneurons. B. axons of interneurons. C. axons of motor neurons and cell bodies of interneurons. D. axons of sensory and motor neurons. E. autonomic motor neurons.
The vertebral arteries join together to form the
A. posterior communicating artery. B. posterior cerebral artery. C. common carotid artery. D. basilar artery.
The process by which the surface of a microorganism is covered with antibodies and complement, rendering it more likely to be phagocytized, is called ________.
Fill in the blank(s) with the appropriate word(s).
What are the carrier proteins for glucose diffusion into cells?
A. GLUT4 B. Insulin C. Glucagon D. GLUT2