A nutrition researcher adds 30 mg of the mineral iron to the daily diet of 50 4-week-old laboratory mice. After 10 weeks, the scientist takes blood samples from each mouse. According to his findings, the mice developed abnormal levels of certain enzymes in their red blood cells. Based on this information and your knowledge of scientific research, what would you tell him?
A. He should report his findings to other nutrition scientists, so they can repeat his study and confirm the results.
B. He should consider his findings as an observation and redesign the study to include a control group.
C. He should call a press conference and report his findings to the public, so they can avoid consuming excess iron.
D. He should prepare a research article that describes his study and its results for submission to a peer-reviewed
nutrition journal.
Answer: B
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Michael Fern is a 21-year-old college student majoring in electrical engineering. His past medical history is unremarkable. He comes back to his family doctor for the second time this month due to symptoms of lethargy, fatigue, weight loss, and frequent thirst and urination. Michael's ketoacidosis leads to a diagnosis of type 1 diabetes. Which medication will Michael need to take to treat his
diabetes? A) sulfonyureas B) metformin C) insulin injections D) alpha-glucosidase inhibitors
The air cell develops
A. before the egg is ready to be laid, when the contents begin to contract. B. between the two shell membranes after the egg is laid and the contents contract with cooling. C. under the shell at the small end when air is trapped inside and pushes against the contents. D. within the outer ring of albumen from air trapped in the yolk.
Which of these foods has the lowest glycemic index (GI)?
A. jelly beans B. peanuts C. white bread D. apples
Enzymes in raw pineapple and kiwifruit prevent gelling.
Answer the following statement true (T) or false (F)