Q: What medical emergency occurs when a blood clot blocks blood flow to part of the brain, causing death of brain cells? Choices: - cardiac arrest - epileptic seizure - heart murmur - stroke A:
stroke

Q: Upon entering the vestibular canal, the pressure waves push down on what duct? Choices: - the regrowth - the implant - the bile - the cochlear A:
the cochlear

Q: Q: The formula unit of sodium chloride dissociates into one sodium ion and one? Choices: - oxygen ion - magnesium ion - electron - chloride ion A:
A: chloride ion

Question: Q: When pumping blood, the hearts of animals with very long necks must overcome what force? Choices: - erosion - evolution - friction - gravity A:
Answer: gravity

*Question*
Q: Name the process of removing wastes from the body. Choices: - filtration - depletion - degradation - excretion A:
**Answer**
excretion

Q: Q: The denser regions of the electron cloud are called what? Choices: - cores - lattices - isotopes - orbitals A:
A: orbitals