★ Respiratory System Quiz
Which of the following is true about upper respiratory infections?
A. It is also known as the “common cold”
B. It is also known as the “flu”
C. It affects the bronchial tree
D. It causes spasm of the bronchioles
Select your answer:
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Antibiotic in Orthopaedics › ViewWhat is the nearest approximate percentage figure for the proportion of patients with penicillin allergy who may also be allergic to cephalosporins?
A. 0.5–6.5%
B. 5 – 10.5%
C. 30%
D. 50%
Pathogens, Disease and Immunity › View
What are molecules on cells that the immune system recognize either as part of the body or as coming from outside the body?
A. antibodies.
B. antigens.
C. T cells.
D. B cells.