In which allergy test are extracts of suspected allergens applied to a patient's skin using a lancet, usually on the arms and back?
A. Intradermal test
B. Patch test
C. Scratch test
D. Radioallergosorbent test
E. Blood test
C. Scratch test
In a scratch test, extracts of suspected allergens are applied to the patient's skin by scratching the skin with a sterile needle or lancet to allow the extracts to penetrate.
You might also like to view...
Bordetella pertussis is characterized by rapid peripheral lymphocytosis and decreased cellularity of the lymph nodes. What can explain this phenomenon?
a. Loss of homing of B cells to lymphoid tissues b. Loss of homing of T cells to lymphoid tissue c. Abnormal homing of lymphocytes to the bone marrow d. Increase of L-selectin expression by T cells
The therapist is about to initiate mechanical ventilation using heliox as the source gas. Which of the following considerations should the therapist take into account while setting the mechanical ventilator?
A. to use volume ventilation B. to employ pressure ventilation C. to administer continuous mandatory ventilation with the patient sedated and paralyzed D. to avoid using any closed-loop modes of mechanical ventilation
A cancer patient's sense of smell sometimes changes while receiving chemotherapy.
Answer the following statement true (T) or false (F)
Anyone who is lifting free weights should work with a spotter. ____________________
Indicate whether the statement is true or false