An increased level of hemoglobin can be the result of all of the following EXCEPT ________
A) chronic obstructive pulmonary disease B) high altitude
C) pregnancy D) Both B and C
C
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A clinical laboratory technician is asked to determine the concentration of red blood cells (RBCs) from a sample of turbid knee fluid using a hemacytometer. The technician dilutes the sample with normal saline and loads it onto the hemacytometer
A total of 400 red blood cells are counted over 5 squares. What additional information is required to calculate the concentration of RBCs? A) The WBC count B) The dilution factor C) The number of platelets D) The red-cell distribution width
A female patient who is eight and a half months pregnant states that she does not feel well and is weak with clammy skin. She denies chest pain, shortness of breath, and dizziness. She states that she did vomit earlier in the morning and still feels somewhat nauseated. She is alert and oriented and has a patent airway. She is breathing 18 times per minute and has a heart rate of 88 beats per
minute. Her blood pressure is 116/70 mmHg and SpO2 reading of 95% on room air. The most appropriate care for this patient should include: A) oxygen at 15 lpm via nonrebreather face mask. B) rapid transport to a hospital with specialized obstetric services. C) quiet and calm transport in the supine position. D) refusal of transport with suggested follow-up with her obstetrician.
How are most drugs absorbed by the body?
a. active transport b. passive transport c. dissolution d. vasoconstriction
Organic compounds essential to life are ____
A) proteins B) minerals C) vitamins D) carbohydrates