Match each of the following descriptions in questions 5-9 with the appropriate disease (A-G)
A. X-linked agammaglobulinemia
B. X-linked hyper-IgM syndrome
C. X-linked lymphoproliferative syndrome
D. Bare lymphocyte syndrome
E. Chronic granulomatous disease (CGD)
F. Leukocyte adhesion deficiency-1 (LAD-1)
G. Leukocyte adhesion deficiency-2 (LAD-2)
Defect in leukocyte adhesion-dependent functions, resulting from mutations in the gene encoding the CD18 integrin ? chain, and leading to recurrent bacterial and fungal infections
ANS: F. LAD-1 is a rare disorder in which integrins with the CD18 chain, such as LFA-1, are not expressed. Migration and function of neutrophils, monocytes, and lymphocytes are all impaired.
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Addictive behaviors are best defined as
A) uncontrolled habits that affect health. B) actions stemming from excessive drug use. C) psychological dependencies. D) physical dependencies.
Which reflex prevents you from falling when you suddenly lift your foot off the ground in response to pain? Choose the correct option
A) Myotatic reflex C) Knee jerk reflex B) Reverse myotatic reflex D) Crossed-extensor reflex
For most people, the target zone for fat reduction is a loss of no more than ________ pounds per week.
A. 4 B. 2 C. 6 D. 8
Multiple sclerosis is an example of an autoimmune disease.
Answer the following statement true (T) or false (F)