Solved by verified expert :141)
Mrs. Mulligan goes to her dentist and, after having a
couple of cavities filled, her dentist strongly suggests that she reduce her
intake of sodas and increase her intake of calcium phosphates in the foods she
eats. Why?
142) A 65-year-old patient came to the emergency
room with complaints of severe heartburn unrelieved by taking a “large
handful” of antacids. Would you expect the pH to be high or low? Explain
why.
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143) How can DNA be used to
“fingerprint” a suspect in a crime?
144) Although his cholesterol levels were
not high, Mr. Martinez read that cholesterol was bad for his health, so he
eliminated all foods and food products containing this molecule. He later found
that his cholesterol level dropped only 20%. Why did it not drop more?
145) Brenda is a 26-year-old female who is being discharged
from the hospital after a vaginal delivery of an 8-pound healthy infant. Brenda is
instructed by the nurse to eat a diet high in fiber and to drink 8 glasses of
water per day to prevent constipation. Explain the role of fiber and water to
promote defecation.
146) A 23-year-old male was riding his road bike in
100-degree heat, when he suddenly became nauseated and weak.
He called 911 from his cell phone. When the ambulance came, the paramedics
started intravenous therapy for severe dehydration. Explain the critical role of
water to maintain homeostasis.
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147) Why is it possible for us to drink a
solution that contains a mixture of equal concentration of a strong acid and a
strong base, either of which, separately, would be very caustic?
