Q: What monitors the level of carbon dioxide in the blood? Choices: - the lungs - the heart - the kidneys - the brain stem A:
the brain stem

(Question)
Q: Another name for table salt is? Choices: - hydrogen chloride - carbon chloride - dioxide chloride - sodium chloride A:
(Answer)
sodium chloride

Ques: Q: Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood? Choices: - iron (Fe) - oxygen (O) - high - density lipoprotein (hdl) - low-density lipoprotein (ldl) A:
Ans: low-density lipoprotein (ldl)

(Q).
Q: Bryophyta is the formal taxonomic name for the phylum that consists solely of what? Choices: - trees - grasses - lichens - mosses A:
(A).
mosses

Ques:Q: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? Choices: - esophagus - trachea - larynx - pharynx A:

Ans:pharynx

Ques: Q: In a controlled scientific study, what do you call a factor that can take on different values? Choices: - output - input - vector - variable A:
Ans:
variable