All Weekly Review Questions and Some Flashcards
What major lipoprotein location is associated with the apolipoprotein Apo A48
Chylo
What major lipoprotein location is associated with the apolipoprotein Apo B100
LDL
Visible light falls between the color ______ at 400 nm and _____ at 700 nm
violet, red
This type of lamp is used in visible and infrared regions and is the most common type:
Tungsten
T/F:
Percent transmittance is the ratio of the radiant energy transmitted, divided by the radiant energy incident on the sample.
TRUE
What order does light get converted?
- Electrons
- Amps
- Volts
- Absorbance
Which is not true of amino acid analysis?
Correct answer:
Blood samples should be drawn after a 2-3 hour fast
T/F:
When proteins have a more positive charge they are more easily dissolved.
TRUE
Which protein has a function to maintain oncotic pressure?
Albumin
In cerebral spinal fluid, ______% of protein comes from plasma, while ______% comes from the brain.
95%, 5%
Pathological condition in which the proximal tubules in the kidneys do not reabsorb glucose, amino acids, uric acids, and bicarbonates resulting in their loss to the urine concentrate.
Fanconi Syndrome
Given the following information, calculate the creatinine clearance:
Urine creatinine: 87 mg/dL
Plasma creatinine: 3.2 mg/dL
Urine volume for 24 hours: 810 mL
Patient BSA: 1.92
13.70
(87/3.2)x(810 mL/1440 min)x(1.73/1.92)
Given the following results, determine if the patient is experiencing azotemia and what kind.
BUN: 56 mg/dL
Creatinine: 2.1 mg/dL
Pre-renal azotemia
(56/2.1)=26.7
Which of the following serves as the glomerular filtration rate for clinicians?
Creatinine
What does an increase in serum enzyme levels indicate?
Tissue damage and necrosis
When measuring enzyme activity, if the instrument is operating at 50 C lower than the temperature prescribed for the method, how would the results be affected?
Lower than expected
T/F:
The following statement could be used to describe zero-order kinetics:
Substrate is present in excess, rate of reaction is constant with time and dependent only on the concentration of enzyme in the system.
TRUE
These type of inhibitors may allow substrate binding but will inhibit the formation of product.
Non-competitive inhibitors
High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?
HDL
Which of the following lipid results would be expected to be falsely elevated on a serum specimen from a non-fasting patient?
Triglyceride