AND ANSWERS 2026 GRADED A+
1. DR antigens are found in which of the following systems? -Correct Answer ✔-
HLA system
2. Which one of the stains below is used to detect separated nucleic acids -Correct
Answer ✔-SyBr Green
3. Minimum inhibitory concentration (MIC) susceptibility tests should be
performed against other beta lactam antibiotics on important S. pneumoniae
isolates from blood cultures and other sterile body fluids when a MIC for penicillin
is performed? -Correct Answer ✔-False
4. If you notice something in your laboratory that is a potentially hazardous
situation, but is out of your control to fix, what should you do? -Correct Answer ✔-
Tell your supervisor or laboratory administrator
5. Which of the following best describes a hemoglobinopathy? -Correct Answer ✔-
A substitution of an amino acid in the hemoglobin chain.
6. Lymphocyte pleocytosis refers to a decreased number of lymphocytes in a CSF
when compared to a normal sample? -Correct Answer ✔-False
7. The susceptibility of a bacterium to each drug on a sensitivity plate using
antibiotic disks is demonstrated by the diameter of the zone of? -Correct Answer
✔-Inhibition
HbA1C measurements are NOT ordinarily used to monitor long-term diabetic
control in a diabetic with sickle cell anemia? -Correct Answer ✔-True
The red/pink color of the colonies seen on this MacConkey agar plate is an
indication of? -Correct Answer ✔-Lactose Fermentors
, Match the illustrations with the corresponding classification of bacteria -Correct
Answer ✔-A. A - Spirilla
B. B - Cocci
C. D - Vibros
D. F - Bacilli
The oval or curved multi-celled, dark-staining macroconidia divided by transverse
septa only is characteristic of: -Correct Answer ✔-Curvularia species
12. The Gram stain report to be issued based on the microscopic characteristics
seen in the image on the right would most correctly be, "many WBC with..."
(Choose the BEST response)? -Correct Answer ✔-Gram Positive Cocci in Pairs
A patient is taking cimetidine for a stomach ulcer. This drug inhibits CYP2D6. The
patient is now prescribed amphetamine for narcolepsy. Amphetamine is
metabolized by CYP2D6. What would you predict? -Correct Answer ✔-A. The
dose for the amphetamine needs to be lower than normal
he prozone effect can be described by all of the following EXCEPT -Correct
Answer ✔-A. Results in a false positive reaction
What is the composition of Howell-Jolly bodies? -Correct Answer ✔-DNA
16. According to the National Diabetes Data Group recommendations, which of the
following statements is TRUE with regards to the following findings? -Correct
Answer ✔-Fasting glucose = 130 mg/dl 2-hour post prandial glucose = 210 mg/dl
17. Where is the main site of action for monocytes after diapedesis? -Correct
Answer ✔-Body Tissues
Polymerase chain reaction (PCR) copies DNA through repeated cycles of three
basic steps. What is the correct order of these steps? -Correct Answer ✔-A.
Denaturation, annealing, and synthesis at 72°C