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Q 6-14 Multiple Choice In the space provided after the question #, record A if 1,...

Q 6-14 Multiple Choice In the space provided after the question #, record A if 1, 2, 3 are all correct B if 1 & 3 are correct C if 2 & 4 are correct D if 4 is only correct E if all are correct 6 During glucose tolerance testing: 1 The patient starts in a fasting state 2 Collection of blood is done at timed intervals 3 Used to detect hypo and hyper glycemia 4 Glucose is administered at timed intervals 7 Blood glucose: 1 Is low in hyperglycemia 2 Is elevated by insulin 3 Is not influenced by diet or exercise 4 Determinations are demonstrated most specifically by enzyme methods 8 The glucose renal threshold 1 Is the blood glucose concentration above which glucose is excreted in the urine 2 May differ slightly amongst individuals 3 Is a regulating effect that the kidney controls 4 Is most commonly exceeded in diabetes mellitus 9 Glucose determinations can be done on 1 Whole blood 2 Serum 3 Plasma 4 Cerebrospinal fluid 10 Normally blood sugar not oxidized at once for energy is: 1 Stored in the liver as glycogen 2 Stored in the muscles as glycogen 3 Converted to fat and stored in the adipose tissue of the body 4 Excreted by the kidneys 11 Hormones that have the effect of raising blood glucose concentrations is(are) 1 Growth hormone (GH) 2 Adrenocorticotropic hormone (ACTH) 3 Thyroxin 4 Insulin 12 Capillary blood specimens for glucose determination 1 Are used for point of care (POCT) home monitoring 2 Is thought of as venous rather than arterial blood 3 Is 5 mg/dL higher than venipuncture glucose 4 Must have anticoagulant added prior to testing 13 Blood obtained by venipuncture may show falsely decreased glucose concentration 1 Due to glycolysis 2 Due to enzymes present in blood cells 3 And may be avoided by storing as cell-free plasma 4 By using sodium fluoride anticoagulant 14 Sources of error when using blood glucose reflectance meters are 1 Variations in the amount of blood used 2 Washing and wiping of strips 3 Calibration of the meter 4 Using capillary blood rather than venous blood

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Hi Answer:

6 During glucose tolerance testing:

Answer: Option 3 (Used to detect hypo and hyperglycemia)

Explanation: The glucose tolerance test is also known as GTT and it normally carried out to detect the hypo or hyperglycemia. Glycaemia is the presence of glucose in the blood.

7 Blood glucose:

Answer: Option 4 (Determinations are demonstrated most specifically by enzyme methods)

Explanation: The above three conditions regarding blood glucose is wrong because in hyperglycemia blood glucose level is high. Insulin works to control or metabolize the glucose not elevate the level and the blood glucose concentration depends or varies with the diet and exercise which we are eating or doing respectively.

8 The glucose renal threshold

Answer: Option 4 (Is most commonly exceeded in diabetes mellitus)

Explanation: The renal threshold is the limit of glucose which is excreted by the kidneys into the urine. Mostly in healthy individual most of the glucose is reabsorbed in kidneys but in case of diabetes mellitus the renal threshold increases.

9 Glucose determinations can be done on

Answer: Option All of the above

Explanation: The blood glucose can be determine from all these 4 samples but the cerebrospinal fluid used for the glucose detection is rare it is only taken in some special cases when we have to determine the glucose concentration inside the brain.

10 Normally blood sugar not oxidized at once for energy is:

Answer: Option 1, 2, and 3

Explanation: When blood sugar is not oxidized it is stored in the form of glycogen in liver and muscles. Excessive glucose is converted into fat and stored in the adipose tissue. But it is not excreted by the kidney until the person don’t have any diabetic disease.

11 Hormones that have the effect of raising blood glucose concentrations is(are)

Answer: Option 4 (Insulin)

Explanation: Insulin is known as the glucose metabolizing hormone. Whereas GH is growth regulating, Thyroxin is thyroid hormone and ACTH is regulating the steroid level in body.

12 Capillary blood specimens for glucose determination

Answer: Option 1 (Are used for point of care (POCT) home monitoring)

Explanation: It is easy to check glucose level by taking capillary blood sample at home.

13 Blood obtained by venipuncture may show falsely decreased glucose concentration

Answer Option 1 Due to glycolysis

14 Sources of error when using blood glucose reflectance meters are

Answer: Option All of the above

Explanation: The accuracy of these meters depends upon the amount of blood as well as type (venous. capillary), calibration of meter, wiping of strips. Because all of these factors play a critical role in the glucose measurement in these meters if any one of these have some error the meter reading will differ from original one.


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