The layer that is responsible for the motility that propels food and residue through the digestive tract is called the ________
A) serosa
B) lumen
C) muscularis externa
D) submucosa
E) mucosa (mucous membrane)
C
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What structures comprise a portal triad?
A. Branches of the hepatic duct, cystic duct, and central vein B. Branches of the cystic duct, central vein, and hepatic artery C. Branches of the hepatic artery, hepatic vein, and hepatic duct D. Branches of the hepatic artery, hepatic portal vein, and hepatic duct E. Branches of the common bile duct, central vein, and hepatic artery
If your lab partner measures the angle formed between your arm and your shoulder as you adduct your arm such that it crosses anterior to your torso, which type of flexibility is being measured?
A) static B) dynamic C) goniometer D) muscle
When an individual is exposed to extremely low air temperatures, the capillaries of the skin will dilate so that blood will flush into skin capillary beds and heat will radiate
Indicate whether the statement is true or false
Which biological catalyst lowers the activation energy of a reaction?
A) salt B) enzyme C) carbohydrate D) lipid