The empiric risk to a family member of an affected individual developing a disorder caused by a multifactorial trait
A) decreases with severity of the disorder.
B) increases with fewer affected family members.
C) decreases in larger families.
D) increases with increasing relatedness to affected individuals.
D) increases with increasing relatedness to affected individuals.
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Immunization against endemic diseases is NOT necessary when traveling outside of one's home country or region
Indicate whether the statement is true or false.
Which of the following types of organisms lacks a nervous system?
A. spiders B. sponges C. squid D. sea anemone
Which of the following infectious agents and means of disposal are mismatched?
A. Carcasses of animals that died of anthrax must be incinerated to avoid endospores entering the soil. B. Drums made with animal hides should be treated with sterilizing gas to eliminate endospores. C. Mosquito bed nets must be washed in bleach weekly to eliminate any residual Plasmodium. D. Coagulation factors purified from blood must be heat-treated to destroy HIV.
An eight-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her grandmother, who had shingles. What infection does the eight-year-old have?
A) chickenpox B) measles C) fever blisters D) scabies E) rubella