16 Questions
What is the purpose of the stage in a microscope?
To support and hold glass microscope slides with specimens for examination
How can the desired objective lens be selected in a microscope?
By rotating the turret on the revolving nosepiece
Which type of leukocyte is characterized by a large spherical nucleus and smooth cytoplasm?
Lymphocytes
What is the function of the iris diaphragm in a microscope?
To regulate light intensity onto the specimen
Which part of the microscope is responsible for fine adjustment focusing?
Smaller knob near the coarse adjustment knob
In a binocular microscope, how many eyepieces are typically present?
Two
What may the presence of red or brown urine indicate?
Hematuria or hemoglobinuria
Which factor may result in cloudiness in urine?
Suspended materials like mucus or bacteria
What does proteinuria in urine potentially indicate?
Urinary tract infection
Which condition may result in glycosuria (glucose in urine)?
Diabetes mellitus
What do elevated urobilinogen levels in urine suggest?
Liver or hemolytic disorders
What does the presence of white blood cells in urine indicate?
Urinary tract infection
If nitrite is detected in the urine, what is the likely implication?
Urinary tract infection
What is a possible biological reason for a false negative result in the protein test?
Dilute urine sample
In a patient with diabetes mellitus, what abnormality may be found in the urinalysis?
Glycosuria
What could lead to a false positive result in the blood test?
Menstrual blood interference
Learn about proper handling techniques for microscopes and the main components of a microscope, such as the stage and optics. Understand the importance of keeping the microscope vertical during transport to prevent damage.
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