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microbiology C Secure I https/ raded Ch 10 Homework 61% 04/04/18 12 Question (1

ID: 252696 • Letter: M

Question

microbiology

C Secure I https/ raded Ch 10 Homework 61% 04/04/18 12 Question (1 point) a See page 309 Read the case hist ory and then answer the questions An Arm Wound that Seemed to Heal Fabrice, an 11-year-old boy from the village of Nghongbo Tokonzi in the Democratic Republic of Congo (Africal, was seen at anearby clinic. He had a cluster of raised papular lesions on his arm. When the dactor asked Fabrice whether he ever saw lesions like these before. Fabrice remembered having a single lesian about 2 months earlier, which spontaneously healed. Scrology revealed that the boy had secondary yaws disease caused by the spirochete Treponema paidrn subspecies pertenue which is a spirochete closely related to the strain that causes syphilis. However,pali pertenue is transmitted by direct contact with a cut or wound 1st attempt Part 1 (0.3 point) If the bacteria from Fabrice's lesions were Gram-stained, the spirochete would appear which color Choose one: A Purple B. Blue C. Green D. Pink K1214 >

Explanation / Answer

1. The answer is pink.

Treponema pallidum subspecies pertenue is a Gram-negative spirochete. So it will retain the counterstain safranin and will look pink in color under a microscope.