Please choose the correct statement regarding syphilitic symptoms.
A) A rash is usually the first symptom that occurs in syphilis.
B) The organism may be transmitted from woman to newborn baby as it travels through the vagina or birth canal.
C) The most severe and life-threatening symptoms occur when gummas form in the brain.
D) One can directly isolate and identify the bacterium in all 3 stages of syphilis.
E) If the syphilitic symptoms disappear, it is likely that the disease has spontaneously resolved itself and, if symptoms do not return within a year, the person is cured.
C) The most severe and life-threatening symptoms occur when gummas form in the brain.
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The loops of Henle create a concentration gradient in the interstitial fluid surrounding the loop, with the concentration highest in the _____ and lowest in the _____ of the kidney
A. inner medulla; cortex B. outer medulla; inner medulla C. outer medulla; cortex D. cortex; inner medulla E. cortex; outer medulla
Radioactivity can destroy cancerous tissue but not healthy tissue
Indicate whether the statement is true or false.
If an aerobic organism stopped taking in
oxygen gas, which of the following processes would stop first?
a. the splitting of glucose into two pyruvates b. the reduction of NAD+ to NADH c. the release of carbon dioxide d. electron transfer phosphorylation e. the initiation of the Krebs Cycle
In most eudicots, the primary root that emerges from a seed thickens and grows longer to become a(n) ____.
A. taproot B. fibrous root system C. secondary root D. adventitious root E. lateral root