General anesthetics keep surgical patients unconscious by reducing activity in the
A) hippocampus.
B) medullary pyramids.
C) corpus callosum.
D) lateral ventricles.
E) reticular formation.
E) reticular formation.
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What are desmosomes?
A. Low-resistance channel-like passages that let ions travel between the interiors of adjacent cells B. Membrane-bound vesicles that pinch off from the plasma membrane and enter the cell C. Cellular organelles that transcribe RNA into DNA D. Cell organelles that contain enzymes for digesting cellular debris and foreign microbes E. Dense plaques of proteins that maintain firm attachments between adjacent cells
Skeletal muscles are stimulated to contract by release of the neurotransmitter ____________________
Fill in the blank(s) with correct word
________ epithelium is the most widespread epithelium in the body, whereas ________ epithelium is rare.
A. Simple columnar; stratified columnar B. Pseudostratified; stratified squamous C. Stratified squamous; stratified columnar D. Simple cuboidal; stratified squamous E. Stratified squamous; simple squamous
The muscles of the eye lid are innervated by cranial nerves(s):
a. II, III, and V b. IV and VI c. III only d. VII