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Cecilia M.
PhD in Biochemistry
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Biochemistry
TutorMe
Question:

A patient attends the doctor with renal pain, strong, persistent desire to urinate and her urine reveals the presence of hemoglobin, is this compatible with urinary tract infection? how would you confirm this?

Cecilia M.
Answer:

Hemoglobin in urine can be compatible with urinary tract infection. I would centrifuge the urine and look at the pellet under the microscope in search for linfocites and pyocytes, which are characteristic of urinary tract infection. Also culture the urine sample in different media to determine presence of bacteria and antibiotic resistance to determine the treatment

Basic Chemistry
TutorMe
Question:

What happens if table salt (NaCl) is diluted in water?

Cecilia M.
Answer:

NaCl will just dissolve in water, and we will have sodium and chloride ions, as seen in the equation below: NaCl + H2O -> Na+ + Cl- + H2O

Biology
TutorMe
Question:

Why are we similar to our parents?

Cecilia M.
Answer:

Because we share the same genetic background than that of our parents, Then I would introduce DNA with clear examples and Mendelian crosses

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