Q: Cycloalkanes are hydrocarbons whose molecules are closed rings rather than straight or branched chains. a cyclic hydrocarbon is a hydrocarbon with a ring of these? Choices: - oxygen atoms - hydrogen atoms - barium atoms - carbon atoms A:
carbon atoms

Q: What common ailment is typically caused by tense muscles in the shoulders, head and neck? Choices: - disturbances - fever - pollution - headache A:
headache

Q: Q: Line graphs are especially useful for showing changes over what? Choices: - space - energy - velocity - time A:
A: time

Question: Q: Psip can be positive or negative relative to what kind of pressure? Choices: - inertia - magnetic - manometric - atmospheric A:
Answer: atmospheric

*Question*
Q: Portal veins carry blood between what? Choices: - chambers of the heart - digestive organs - arteries - pairs of capillary beds A:
**Answer**
pairs of capillary beds

Q: Cranial nerves convey specific sensory information from the head and neck directly to what organ? Choices: - eye - nose - heart - brain A:
brain