A patient with recurrent bacterial and viral infections is
referred to an internist who determines that, while there are
normal numbers of T cells in the circulation, the T cells are
extremely unresponsive to all antigenic stimuli. Further testing
determines that the T lymphocytes are severely deficient in the
ability to signal following exposure to antigen. Which of the
following cell surface molecules is most likely to be mutated,
making these lymphocytes unable to generate and transmit activation
signals upon...
Why are we not inundated with bacterial infections on our skin?
and Compare and contrast the two modes of embryonic bone formation.
Be sure to highlight what these are and describe the unique
developmental cascades that unfold for each.
_____50. Most STIs are
A.
bacterial
B.
viral
C.
fungal
D. protozoan
_____51. Which one of the following venereal diseases is
diagnosed by observing Gram
negative diplococci in the phagocytic leukocytes from a urogenital
swab particularly
in men?
A. syphilis
B.
gonorrhea
C. nonspecific
urethritis D.
trichomoniasis
_____52. Which stage of syphilis is not infectious?
A.
primary
B.
secondary
C.
tertiary
D. chancroid
_____53. A distinctive symptom of secondary syphilis is
A. hard chancre...
1. What methods are similar in bringing fungal and bacterial
specimens from a particular body site?
2. What are some methods that might be more suitable for
bringing fungal pathogens to the lab?
3. What methods might be more suitable for bacteria?