An O&P test ________
A) takes a biopsy of the omentum and pancreas
B) shows which antibiotic drug can treat a bacterial infection
C) shows the presence of blood in the stool
D) shows the presence of ova and parasites in the stool
D
Explanation: A) This is not what an O&P test does.
B) This describes a C&S test, not an O&P test.
C) This is not what an O&P test does.
D) Correct! O&P stands for "ova and parasites."
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Which of the following statements about induction or maintenance of T cell tolerance is NOT true?
A. Central tolerance is induced when immature developing T cells in bone marrow or thymus encounter self antigens. B. Peripheral T cell tolerance results when mature naive T cells recognize antigens without adequate B7-1- or B7-2-mediated costimulation. C. Peripheral T cell tolerance results when T cells recognize antigen in the setting of an innate immune response to the antigen. D. Peripheral T cell tolerance to some antigens is induced when mature T cells recognize antigen and bind B7-1 or B7-2 via the inhibitory CTLA-4 receptor. E. Peripheral T cell tolerance to an antigen may be induced by persistent and repeated stimulation of lymphocytes by that antigen in tissues.
Which route of administration is used to put a chemotherapy drug directly into the area of a cancerous tumor?
A) intra-articular B) umbilical artery C) epidural D) intra-arterial
Healthy lifestyle guidelines include
a. Accumulate a minimum of 30 minutes of moderate-intensity physical activity at least 5 days each week. b. Exercise in the cardiorespiratory training zone for 20 minutes at least 3 times each week. c. Perform flexibility exercises for all major joints at least two days each week. d. Strength train at least once weekly at 8-12 RM for all major muscle groups of the body.
AFP is used the analysis of
a. hepatoma b. nonseminomatous testicular cancer c. the sera of women whose in utero babies have spina bifida. d. A and B e. all of the above