Which of the following is true regarding the preparation and staining of a blood smear?

A. Smears must be stained immediately.
B. Smears can be immersed in methanol and stained later.
C. Smears can be preserved by immersing in ethanol.
D. Wright's stain contains no preservative.


Answer: B

Health Professions

You might also like to view...

Which of the following statements about good manners is most correct?

A) Rules of good manners vary in different societies. B) Rules of good manners are fairly universal globally. C) Rules of good manners do not change over time. D) Rules of good manners are based on human instinct.

Health Professions

A 16-year-old boy has been inhaling paint fumes to "feel good." His grandmother called 911 when she found him doing this in the basement and he told her he was having a hard time breathing. He is alert and oriented, with a patent airway and adequate breathing. His radial pulse is strong and skin warm and dry. Your partner reports mild wheezing in both lungs. Vital signs are: pulse 92,

respirations 20, blood pressure 148/62, and SpO2 98 percent on room air. He has no medical history. Appropriate initial care would include: A) positive pressure ventilation with supplemental oxygen. B) breathing treatment with a metered dose inhaler. C) oxygen at four liters per minute through a nasal cannula. D) high flow oxygen through a nonrebreather mask.

Health Professions

During your visual inspection of a 25-year-old woman in labor, you see the baby's head crowning at the vaginal opening. What should you do?

A. Place your fingers in the vagina to assess for a nuchal cord. B. Apply gentle pressure to the baby's head as it delivers. C. Maintain firm pressure to the head until it completely delivers. D. Tell the mother not to push and transport her immediately.

Health Professions

The purpose of continuous quality improvement (CQI) is to support discipline of personnel.

a. true b. false

Health Professions