Which WBC is characterized by a multilobed nucleus and neutral staining granules?

BioskillPro

Quiz
•
Science
•
University
•
Hard
Diptesh Chakraborty
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eosinophil
Monocyte
Neutrophil
Basophil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The WIDAL test is based on which immunological principle?
Precipitation
Neutralization
Agglutination
Complement fixation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MacConkey agar is selective for which type of bacteria?
Gram-positive
Gram-negative
Acid-fast
Anaerobic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In immunoelectrophoresis, what can cause the appearance of an arc that is broader and less intense than others?
Antigen excess
Antibody excess
Low-affinity antigen-antibody interaction
High-affinity antigen-antibody interaction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the presence of a black precipitate in the TSI slant indicate?
Lactose fermentation
Hydrogen sulfide production
No fermentation
Gas production
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might two amino acids with similar structures have different Rf values in TLC?
Different affinities for the mobile phase
Different molecular weights
Different polarities
Both A and C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a selective feature of TCBS agar that supports the growth of Vibrio species?
High bile salt concentration
Low pH
Presence of thiosulfate and citrate
High NaCl concentration
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the presence of multiple precipitin arcs at different positions in an immunoelectrophoresis assay indicate about the antibody specificity?
It is polyclonal, recognizing multiple epitope
It is monoclonal, recognizing a single epitop
It has low affinity for the antigen.
It indicates non-specific binding.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the implication of a WIDAL test showing a high titer for O antigen but not for H antigen?
Early acute typhoid fever
Past typhoid infection.
Recent vaccination
Chronic typhoid carrier state
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