Cancer cells can be detected by NK cells when they show
A) interferons.
B) complement proteins.
C) tumor-specific antigens.
D) opsonization.
E) CD4 markers.
C
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Cancer is diagnosed by a variety of techniques, including all of these except ________
A) Chemotherapy B) Imaging C) Biopsy D) Blood test
The atrioventricular (AV) node is located in the
A. floor of the left atrium. B. floor of the right atrium. C. roof of the left ventricle. D. back wall of the right ventricle. E. back wall of the left ventricle.
Ophthalmic herpes zoster is characterized by:
A) inability to raise the upper eyelid. B) inability to abduct the eye. C) inability to focus on near objects. D) corneal ulceration. E) loss of sensation from the forehead.
Which of the following muscles is the prime mover for frowning?
A. Orbicularis oculi B. Mentalis C. Risorius D. Zygomaticus major E. Depressor anguli oris