OSMT Prep - All Subjects Questions And Answers
A female adult is tested for hemoglobin. Her results show her Hgb level is 100g/L. What would this indicate? - Answer-Lower than average hemoglobin, can be indicative of anemia.
/.A movement that takes a body part further away from it's central a...
A female adult is tested for hemoglobin. Her results show her Hgb level is 100g/L. What
would this indicate? - Answer-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): -
Answer-Abduction
/.A pH of 2 is how many more times acidic than a pH of 5? - Answer-1000
/.Appromixmately how much blood is in a human adult body? - Answer-5L
/.At what temperature (Celsius) should yeasts be stored, and at what atmospheric
condition? - Answer-37 degrees Celsius (body temperature) in aerobic conditions.
/.Blood is about _____ % plasma and _____ % formed elements. - Answer-55% plasma
& 45% formed elements
/.By how much does the glomerular filtration rate increase during pregnancy? - Answer-
50%
/.Describe systemic circulation - Answer-Circulation of blood from the heart, to the lungs
and back to the heart.
/.Describe the compostion of urine - Answer-95% water, 5% solutes. The most
abundant solute is urea.
/.During pregnancy, by how much does blood volume increase? - Answer-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 - Answer-d) dehydration, clearing, infiltration
/.During what step of the coagulation cascade is prothrombin converted to thrombin? -
Answer-3. Coagulation
/.How can the formation of paraformaldehyde be avoided - Answer-Additives to formalin
such as buffers or methanol
,/.How does a refractometer work? - Answer-Measures the refractive index of urine to
determine density.
/.How is a wet mount prepared? - Answer-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? - Answer-5-10 thousand per microliter
/.How many oxygen molecules can hemoglobin carry? - Answer-4 oxygen molecules
/.How many platelets are there per microlitre of blood? - Answer-300 thousand
/.How many RBC's per microliter of blood? - Answer-4-6 million
/.How many stool samples are collected for fecal fat testing? - Answer-All stool over a
72 hour period is collected.
/.How many stool samples are collected for FOBT? - Answer-3 consecutive stools over
no specific time span
/.How many stool samples must be collected for an ova & parasites exam? Why? -
Answer-3 different samples from 3 different days because parasites can appear
sporadically.
/.How often can a person donate blood? - Answer-Minimum of 8 weeks between
donations
/.If a patient faints during venipuncture, what should you do? - Answer-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? -
Answer-A-, AB-
/.If a person has B- type blood, who can they donate to in the ABO blood group? -
Answer-B+, B-, AB-, AB+
/.If a person has type A+ blood, who can they donate to within the ABO blood group? -
Answer-A+, AB+
/.In culture media, how are bile salts used as a selective agent? - Answer-Bile
emulsifies fat, which means it will inhibit most Gram positive bacteria.
Only allows for the growth of Gram negative bacteria.
/.In what part of the nephron does reabsorption of water take place? - Answer-The
proximal and distal tubules.
, /.Incomplete, partial hemolysis around bacterial colonies on a growth plate is called:
a) Alpha hemolysis
b) Beta hemolysis
c) Gamma hemolysis - Answer-a) Alpha hemolysis
/.Is a 23 gauge needle larger or smaller in diameter than a 21 gauge needle? - Answer-
Smaller
/.List the levels of organization within the body from smallest to largest. - Answer-1.
Chemical
2. Cellular
3. Tissue
4. Organs
5. Organ System
6. Organismal
/.Name 4 reasons for ordering a wound culture. - Answer-1. failure to heal
2. signs of infection
3. discharge
4. nonrespondent to antobiotic therapy
/.Name 5 functions of the kidneys - Answer-1. elimination of metabolic & toxic waste
2. pH regulation
3. regulation of volume & composition of body fluids
4. hormone production
5. creation & secretion of urine
/.Name an example of glassware that is capable of giving critical measurements. -
Answer-Volumetric flask - will deliver one critical volume
/.Name some of the interfering substances that a patient should avoid if they are being
tested for fecal occult blood? - Answer-Meat, Vitamin C & iron supplements can all
cause false positives.
/.Name the 3 layers of the heart wall. - Answer-Epicardium, myocardium, endocardium
/.Name the order in which action potentials travel through the conduction system of the
heart. - Answer-1. Sinoatrial (SA) node
2. Atrioventricular (AV) node
3. Atrioventricular bundle (Bundle of His)
4. Bundle branches
5. Purkinje fibers
/.On a microscope, how is total magnification calculated? - Answer-Power of the
objective lens x power of the eyepiece
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