Insulin is a hormone secreted into the stomach to aid with
Which of the following statements is false?
starch digestion.
Which of the following statements is true? All of these statements are true.
A diagnosis of type 1 diabetes mellitus implies that the pancreas is not producing suflcient insulin.
the cells of the body are unresponsive to circulating in-
A diagnosis of type 2 diabetes mellitus implies that
sulin.
Glucagon is a hormone that opposes the action of insulin.
A male patient has had successive fasting plasma glucose
he appears to have impairment or borderline impairment
readings of 115, 110, and 122 mg/dl. The healthcare
of insulin-mediatedglucose uptake by his cells.
provider will inform him that
To obtain an accurate spectrophotometric measurement
Heparin is added to prevent blood clots.
of the glucose concentration in the sample
n the spectrophotometric assay used in this experiment,
the as the glucose concentration inthe sam- optical density increases.
ple increases.
A female patient has had successive fasting plasma glu-
cose readings of 130, 140, and 128 mg/dl. The healthcare she has developed diabetes
provider will inform her that
Insulin-mediated transport of glucose into cells acts as
To maintain plasma glucose homeostasis
negative feedback when plasma glucose levels rise.
A laboratory technician withdraws a blood sample from a he plasma glucose concentration will be the same in both
vein in your upper arm knowing that the arm vein and the index finger.
The glucose standard curve illustrates the relationship be-
What is a glucose standard curve, and why did you need to
tween glucose concentration and optical density to de-
obtain one for this experiment? Did you correctly predict
termine the amount of glucose circulating in the blood
how you would measure the amount of plasma glucose in
and diagnose diabetes mellitus. Ineeded to obtain a curve
a patient sample using the glucose standard curve?
to compare the various samples from the patients and to
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