When the superior mesenteric vein and the splenic vein fuse, what is the name of the new vessel?
A) Inferior mesenteric vein
B) Inferior vena cava
C) Hepatic portal vein
D) Celiac trunk
Answer: C
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The ________ is an important ridge of muscle extending horizontally around the right ventricle from the interventricular septum to the base of the anterior papillary muscle containing part of the conducting system
A) auricle B) pectinate muscle C) trabeculae carneae D) moderator band E) conus arteriosus
Answer the following statements true (T) or false (F)
1. Women can have one more body function regulated by a positive feedback loop than men can. 2. Exercise helps to maintain homeostasis. 3. The cell is the simplest level of organization in a living thing. 4. When reading a compass rosette in a figure, the letter L can mean either left or lateral. 5. When reading a compass rosette in a figure, the letter P opposite the letter D stands for posterior.
Answer the following statements true (T) or false (F)
1. If the iris muscles are contracted, the rods of the eye are probably being used to see. 2. The ossicles are named based on their shape. 3. Infections in the throat can cause otitis media by moving through the eustachian tube. 4. Only special sense organs can be classified as encapsulated. 5. Only general sense organs are classified as either encapsulated or unencapsulated.
Hydrogen bonds occur between ________.
A. nonpolar molecules B. multiple ions C. ions and nonpolar molecules D. polar molecules