A bone marrow review on a 15-year-old girl with acute leukemia revealed many blasts with the following characteristics: high N:C ratio, prominent nucleoli, open chromatin pattern, and basophilic cytoplasm
Cytochemical staining revealed negative reactivity with MPO and SBB. Nonspecific esterase was positive. No cytogenetic abnormalities were detected. What is the most likely lineage of the blast cells in question?
a. Myeloid
b. Lymphoid
c. Monocytic
d. Erythroid
Correct Answer: C
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Which of these statements made by your EMT partner indicates that he understands assessment of a patient's breathing?
A) "As long as the patient is breathing more than 20 times per minute, he is getting enough oxygen in his body." B) "If the respiratory rate is normal, the patient is breathing adequately and getting enough oxygen." C) "A rate less than 8 times per minute may allow adequate breathing, but requires further evaluation and assessment." D) "To determine if a patient is adequately breathing, the EMT must get a full set of vital signs."
No single chief concern indicates to the Paramedic that a child is critically ill.
Answer the following statement true (T) or false (F)
The owner of an exotic pet store visited his physician complaining of headaches, fever, and body aches. The physician noticed a rash with pocks and swollen lymph nodes. The potential pathogen is
A) chickenpox. B) monkeypox. C) Salmonella species. D) Edwardsiella tarda.
Two-pronged instruments used to grasp tissues are:
A) forceps. B) cannulas. C) scalpels. D) scissors.