specialty labs #1
Which of the following is important while injecting the PPD to administer the Mantoux test?
make sure the wheal forms at the site
what is true regarding a 7-mm reaction to the Mantoux test?
doubtful
Which of the following is NOT included in the diagnosis of infectious mononucleosis?
chemistry test
Which of the following raises high-density lipoprotein levels?
Exercise
what is the universal blood donor?
O
What percentage of North Americans are Rh positive, and what percent are Rh negative?
85% positive; 15% negative
What indicates borderline blood cholesterol levels?
200-239 mg/dl
Insulin is secreted by pancreatic cells in response to ____ glucose levels, and glucagon is secreted in response to glucose levels
increased, decreased
what do triglycerides do?
They serve as a source of energy
What is the process of RBC agglutination called?
hemoaggultination
What is an indication for notifying the physician and stopping the glucose tolerance test?
Extreme hyperglycemia on the fasting specimen.
After excess glucose is converted into glycogen, where is it stored long term?
adipose tissue
What is true regarding tuberculosis?
Has a high content of lipids in the cell wall
Which organ is responsible for producing cholesterol?
liver
Phenylketonuria (PKU) is an inherited condition in which the baby cannot metabolize which of the following properly?
protien
What is the danger of a high low-density lipoprotein level?
increase risk of coronary artery disease
The pregnancy hormone can be detected in the urine of a pregnant woman as early as:
11 days after conception
Why is a phenylalanine-restricted diet important?
It will prevent mental retardation
Which test measures the concentration of urea in the blood?
BUN
How is the Epstein-Barr virus causing infectious mononucleosis primarily transmitted?
saliva
What is NOT a factor that may influence the Guthrie test?
testing after 3-4 days of the beginning of a milk test
Which of the following tests is NOT used in the screening for and diagnosis of tuberculosis?
BCG
What is the age group in which symptoms of IM are most often observed?
15-25 years
. Pregnancy testing is based upon the detection of which hormone?
hCG
Normal total bilirubin levels range between:
0.1-0.2 mg/dL