Q: In a carbon triple bond, how many pairs of electrons are shared? Choices: - one - four - two - three A:
three

Q: Which word describes how an extracellular solution can change the volume of a cell by affecting osmosis? Choices: - velocity - trichina - instability - tonicity A:
tonicity

Q: Q: The duodenum has a major role in regulating what digestive organ and its emptying? Choices: - kidneys - skin - respiratory - stomach A:
A: stomach

Question: Q: What does the placenta sustain during pregnancy? Choices: - the heart - the mother - the endocrine system - the fetus A:
Answer: the fetus

*Question*
Q: Labor is the muscular contractions to expel the fetus and placenta from where? Choices: - lungs - anus - tumors - uterus A:
**Answer**
uterus

Q: Q: What do we call the formation of a gas from a liquid at temperatures below the boiling point? Choices: - melting - pulverization - steaming - evaporation A:
A: evaporation