Whole MPP Class Practice Exam Questions & Answers.
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Whole MPP Class Practice Exam Questions & Answers.
what is the name of the glucose transporters found on skeletal muscle and fat cells? - CORRECT ANSWER glucose transporter 4 or GLUT4
what is the name of the polymer which is the stored form of glucose - CORRECT ANSWER glycogen
is GLUT4 e...
Whole MPP Class Practice Exam
Questions & Answers.
what is the name of the glucose transporters found on skeletal muscle and fat cells? - CORRECT ANSWER
glucose transporter 4 or GLUT4
what is the name of the polymer which is the stored form of glucose - CORRECT ANSWER glycogen
is GLUT4 expressed in liver cells? - CORRECT ANSWER no
the endocrine portion of the pancreas is made up of alpha cells and beta cells. what hormone is
produced and released by the beta cells of the pancreas? - CORRECT ANSWER insulin
what is the name of the peptide that is released from the pancreatic beta cells when insulin is released?
- CORRECT ANSWER c-peptide
which organ does not utilize fatty acids? - CORRECT ANSWER brain
put the following steps involved in blood glucose regulation in order starting with having a glucose
containing meal - CORRECT ANSWER (in order)
glucose is absorbed from the intestine to the blood
blood glucose increase
pancreatic beta cells sense increased blood glucose
insulin is released into the blood
insulin binds to insulin receptors on target cells
GLUT4 glucose transporters will take up glucose into skeletal muscle and fat cells
blood glucose levels decrease
,diabetes mellitus, type I is characterized by the inability of the pancreatic beta cells to secrete insulin.
diabetes mellitus, type II is characterized by having less sensitive or resistance insulin receptors. -
CORRECT ANSWER type I, type II
GLUT4 transports glucose from the blood into liver cells? - CORRECT ANSWER false
glucagon is secreted by pancreatic alpha cells when blood glucose levels decrease - CORRECT ANSWER
during a glucose challenge, would a patient with type I diabetes secrete more or less insulin compared
to normal? - CORRECT ANSWER less
if a type I diabetic gave them self an insulin injection just after a meal, what will their blood levels of C-
peptide be? - CORRECT ANSWER zero
the drug SU causes pancreatic beta cells to secrete more insulin into the blood than normal as a way to
combat insulin receptor insensitivity in type II diabetics. Do you expect a patients blood C-peptide levels
to be higher or lower than normal if they are taking SU? - CORRECT ANSWER higher
where are SGLTS co transporters found? - CORRECT ANSWER kidney tubule
What 2 molecules do the SGLTs transport? - CORRECT ANSWER Na and glucose
When blood glucose levels increase, more glucose get filtered to the kidney. - CORRECT ANSWER more
when will glucose show up in the urine? - CORRECT ANSWER only when blood glucose levels get very
high and saturate the SGLTs
Select the false statement about GLUT4 transporters. - CORRECT ANSWER GLUT4s are important to take
up excess glucose from the blood to fat and muscle cells
GLUT4s are the glucose transports in fat cells
Insulin binding to insulin receptors allows GLUTS to transport glucose into muscle cells
in the absence of insulin, GLUT4s are found inside resting muscle cells
, THEY ARE FOUND AT THE MEMBRANE OF SKELETAL MUSCLE ALL THE TIME
Where will GLUT4 transporters be located of resting skeletal muscle in the fasted state? - CORRECT
ANSWER intracellular, in vesicles, inside
the hormone glucagon will signal liver cells to breakdown glycogen to glucose - CORRECT ANSWER
the ____ transporter in the nephron tubule allows for the reabsorption of glucose back to the blood. -
CORRECT ANSWER Na+ glucose linked transporter, SGLT2
sodium glucose linked transporter 2
the urine threshold is reached when the blood glucose levels rise and the SGLT2 transporter becomes
saturated - CORRECT ANSWER
According to the plot below, what is the glucose concentration that saturates the SGLT2?
Same plot, how much glucose will be in the urine at a blood glucose concentration of 12? - CORRECT
ANSWER where the line plateaus, 5
I dont know how I got this answer but, 7
which answer is false regarding the transport of glucose across cell membranes? - CORRECT ANSWER
THE TRANSPORT OF GLUCOSE FROM THE NEPHRON TUBULE BACK TO THE BLOOD CAUSE WATER TO BE
EXCRETED VIA OSMOSIS
the SGLT2 utilizes secondary active transport
glucose moves into cells through the GLUT4 transporter down its concentration gradient
the SGLT2 is an example of cotransport
select all the options below that would result in elevated blood glucose level. - CORRECT ANSWER A
GLUCAGON-SECRETING TUMOR IN THE PANCREATIC ALPHA CELLS
inhibiting the breakdown of liver glycogen
INSENSITIVITY OF THE INSULIN RECEPTORS
an insulin-secreting tumor in the pancreatic beta cells
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