Which of the following medications relaxes muscle spasms in the bronchial tube?
A) expectorant
B) bronchodilator
C) antitussive
D) antihistamine
B) bronchodilator
A bronchodilator is used to relax bronchospasms. An expectorant is used to
improve the ability to cough up mucus from the respiratory tract. An antitussive is used to relieve
the urge to cough. An antihistamine blocks the histamines released during an allergy attack.
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In which ways do memory B cells active in a secondary immune response differ from the naive B-cell population activated in a primary immune response? (Select all that apply.)
a. The antibody produced is of higher affinity in a secondary immune response. b. The frequency of antigen-specific B cells is lower in a secondary immune response. c. The level of somatic hypermutation is higher in a secondary immune response. d. Higher levels of IgM are produced in secondary immune responses. e. B cells do not require T-cell help in secondary immune responses. f. Memory B cells express higher levels of MHC class II molecules. g. Naive B cells express higher levels of co-stimulatory molecules.
Double pneumonia is pneumonia that is twice as severe as regular pneumonia
Indicate whether the statement is true or false
Coitus is a synonym for
A) vaginal intercourse. B) anal intercourse. C) oral sex. D) any form of sexual contact involving the genitals.
What is the correct pronunciation of the medical term venogram?
A. VAI-nuh-gram B. VAI-noh-gram C. VUH-nuh-gram D. VEE-noh-gram