A patient complains to you of pain in a limited strip on one side of his chest and back. Upon examination you notice that the skin associated with the T3 dermatome of that side is red with vesicular eruptions
Which of the following is your most reasonable conclusion about your patient's illness?
A) He has syphilis.
B) He has shingles (herpes zoster).
C) He has localized dermatitis.
D) An underlying thoracic disease has spread through the thoracic wall to the skin.
E) It is likely that the condition will spread to surrounding dermatomes before it improves.
Ans: B
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Why might amputation of an extremity, such as a toe, be required in a person with diabetes?
A. The tissue dies due to apoptosis. B. A decubitus ulcer develops. C. The tissue is damaged due to a neoplasm. D. Usually the tissue is infected with Clostridium bacteria, and gas gangrene develops. E. The tissue dies due to dry gangrene.
Which of the following would NOT result in an increase in systemic vascular resistance?
a) Decreased diameter of systemic arterioles b) Increased blood viscosity c) Decreased length of the systemic circulatory route d) Increased vasoconstriction of systemic arterioles e) Increased red blood cell count
The central nervous system (CNS) consists of
A. spinal and cranial nerves. B. the brain and cranial nerves. C. the brain and spinal cord. D. nerves in the upper and lower limbs.
Which of the following labeled structures is the right sympathetic trunk ganglion?
a) E b) B c) L d) M e) N