What is the pathogenic process underlying Rocky Mountain spotted fever?
A) cellular damage via potent exotoxins
B) damage to blood vessels
C) stimulation of a strong immune response
D) interference with host cell metabolism
E) formation of biofilms in host tissues
B
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Skin and Wounds
Learning Outcome: 19.21
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When a mixture of debris from killed virulent bacteria and living non-virulent bacteria are injected into mice:
A. the mice are killed because the virulent bacteria are revived. B. the mice survive because none of the living bacteria are virulent. C. the mice survive for a period of a few weeks and then die from an unrelated illness. D. half the mice are killed and the other half survive. E. the mice are killed because the non- virulent bacteria are transformed into virulent bacteria.
The Salk vaccine
A. protects against nervous system and gastrointestinal infection. B. protects only against gastrointestinal infection. C. is a subunit vaccine. D. protects only against nervous system infection. E. protects against nervous system and gastrointestinal infection AND is a subunit vaccine.
In the example above, what is probability that
the couple will have a child with achondroplasia?
a. 0 b. 1/4 c. 1/3 d. 2/3 e. 1/2
A couple visits a fertility clinic to determine the basis of their difficulty in conceiving a child. They are surprised to hear they will both be tested for levels of two of the same hormones, which play roles in the ovarian cycle and sperm production. Which hormones are they?
A. Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) B. Insulin and glucagon C. Oxytocin and luteinizing hormone (LH) D. Adrenocorticotropic hormone (ACTH) and corticotropin-releasing hormone (CRH)