answers
A female adult is tested for hemoglobin. Her results show her Hgb level
is 100g/L. What would this indicate? Ans✓✓✓ Lower than average
hemoglobin, can be indicative of anemia.
A movement that takes a body part further away from it's central axis is
called a(n): Ans✓✓✓ Abduction
A pH of 2 is how many more times acidic than a pH of 5? Ans✓✓✓
1000
Appromixmately how much blood is in a human adult body? Ans✓✓✓
5L
At what temperature (Celsius) should yeasts be stored, and at what
atmospheric condition? Ans✓✓✓ 37 degrees Celsius (body
temperature) in aerobic conditions.
Blood is about _____ % plasma and _____ % formed elements.
Ans✓✓✓ 55% plasma & 45% formed elements
By how much does the glomerular filtration rate increase during
pregnancy? Ans✓✓✓ 50%
,Describe systemic circulation Ans✓✓✓ Circulation of blood from the
heart, to the lungs and back to the heart.
Describe the compostion of urine Ans✓✓✓ 95% water, 5% solutes. The
most abundant solute is urea.
During pregnancy, by how much does blood volume increase?
Ans✓✓✓ 45%, mostly plasma based.
During tissue processing, what is the correct sequence of steps ?
a) clearing, dehydration, infiltration
b) clearing, infiltration, dehydration
c) dehydration, infiltration, clearing
d) dehydration, clearing, infiltration Ans✓✓✓ d) dehydration, clearing,
infiltration
During what step of the coagulation cascade is prothrombin converted
to thrombin? Ans✓✓✓ 3. Coagulation
How can the formation of paraformaldehyde be avoided Ans✓✓✓
Additives to formalin such as buffers or methanol
,How does a refractometer work? Ans✓✓✓ Measures the refractive
index of urine to determine density.
How is a wet mount prepared? Ans✓✓✓ Swab is placed in saline,
mixed gently & kept at 37 degrees Celsius. A drop of saline is examined
on a slide directly under a microscope.
How many leukocytes are in the blood? Ans✓✓✓ 5-10 thousand per
microliter
How many oxygen molecules can hemoglobin carry? Ans✓✓✓ 4
oxygen molecules
How many platelets are there per microlitre of blood? Ans✓✓✓ 300
thousand
How many RBC's per microliter of blood? Ans✓✓✓ 4-6 million
How many stool samples are collected for fecal fat testing? Ans✓✓✓
All stool over a 72 hour period is collected.
How many stool samples are collected for FOBT? Ans✓✓✓ 3
consecutive stools over no specific time span
, How many stool samples must be collected for an ova & parasites
exam? Why? Ans✓✓✓ 3 different samples from 3 different days
because parasites can appear sporadically.
How often can a person donate blood? Ans✓✓✓ Minimum of 8 weeks
between donations
If a patient faints during venipuncture, what should you do? Ans✓✓✓
Immediately remove the needle from the patient's arm and attend to
them.
If a person has A- blood, who can they receive from within the ABO
blood group? Ans✓✓✓ A-, AB-
If a person has B- type blood, who can they donate to in the ABO blood
group? Ans✓✓✓ B+, B-, AB-, AB+
If a person has type A+ blood, who can they donate to within the ABO
blood group? Ans✓✓✓ A+, AB+
In culture media, how are bile salts used as a selective agent? Ans✓✓✓
Bile emulsifies fat, which means it will inhibit most Gram positive
bacteria.
Only allows for the growth of Gram negative bacteria.