Which type of white blood cell stains red and helps to lessen an allergic reaction?
A. Monocyte
B. Basophil
C. Lymphocyte
D. Eosinophil
Answer: D
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Generally, the non-ionic iodinated contrast agents administered for CT exams result in fewer contrast reactions compared to the incidence of reactions for gadolinium-based contrast agents.
Answer the following statement true (T) or false (F)
What part of a spermatozoon contains the nuclear material?
A. Midpiece B. Tail C. Head D. Acrosome cap E. Flagellum
Spatial summation occurs on a postsynaptic neuron would occur when
a. several EPSPs from a single presynaptic input sum to reach threshold b. EPSPs from several presynaptic inputs sum to reach threshold c. there is simultaneous interaction of an EPSP and an IPSP d. several IPSPs from a single presynaptic input sum to hyperpolarize the membrane e. none of the above take place
Compared to a solution with a pH of 7, a solution with a pH of 4 is
A. more acidic and has a 300-fold increase in [H+]. B. more basic and has a 300-fold decrease in [H+]. C. more basic and has a 1,000-fold increase in [H+]. D. more acidic and has a 1,000-fold increase in [H+]. E. more basic and has a 300-fold increase in [H+].