Match the glial cell with its function.A. Influence function of blood-brain barrierB. Macrophages in CNSC. Produce cerebrospinal fluidD. Form myelin sheath around axons in CNSE. Form myelin sheath around part of the axon in the PNSSchwann cell
Fill in the blank(s) with the appropriate word(s).
Answer: E
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When the sphincter of the bile duct contracts:
A) bile is propelled into the duodenum. B) bile is forced into the gallbladder for concentration and storage. C) pancreatic juices are prevented from entering the duodenum. D) bile flow in the common hepatic duct is occluded. E) bile flow in the cystic duct is occluded.
Each hemoglobin molecule is composed of four heme groups. The hemo groups contain iron (Fe). How many oxygen molecules can a hemoglobin combine with?
A) one B) two C) four D) eight
What is the primary type of tissue is found in the reticular layer of the dermis?
A) Stratified squamous epithelium B) Areolar connective tissue proper C) Dense irregular connective tissue proper D) Adipose
Which organs are surrounded by the pleural membrane?
A. Lungs B. Heart C. Intestines D. Kidneys