Which human herpes virus (HHV) causes infectious mononucleosis?
A. HHV1
B. HHV2
C. HHV2
D. HHV4
E. HHV5
D
Infectious mononucleosis is caused by HHV4, also known as Epstein-Barr virus. HHV1, also known as herpes virus 1 (HSV1), is the cause of herpes labialis. HHV2, also known as HSV2, is the cause of genital herpes. HHV3, known as varicella zoster virus, is the cause of chicken pox and shingles. HHV5, known as cytomegalovirus, causes numerous infections in immunosuppressed persons.
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Match the following structural characteristics with either MHC class I (I), class II (II), or both (I & II)
a. Contains ?2-microglobulin b. Contains two transmembrane domains c. Binds 8-10 amino acid peptides d. Contains two heavy chains e. Has closed ends on the peptide binding groove
Examples of endoscopic examinations include:
A) sigmoidoscopy. B) colonoscopy. C) proctoscopy. D) all of the above.
More than 1,500 deaths occur each year on the roads as the result of drivers who are ____________________
Fill in the blank(s) with correct word
An increase in alveolar ventilation (at rest) resulting in hyperventilation will reduce arterial ________ and increase ________.
A. O2; pH B. pH; PCO2 C. PCO2; pH D. None of these answers is correct