Answer to Question 1
C
The student's statement about the life expectancy of a female born in 2020 would need to be clarified. An African American female born in 2020 has a life expectancy of 79.2 years (not 72.6 years). The life expectancy of an African American male born in 2020 is 72.6 years. Women tend to have a longer life expectancy than men.
Answer to Question 2
C
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A Linea nigra on the abdomen is the normal integumentary change associated with pregnancy. It presents as a brown, pigmented, vertical line on the lower abdomen.
B Turner's sign is ecchymosis in the flank area, often associated with pancreatitis.
C Cullen's sign, the blue ecchymosis seen in the umbilical area, indicates hematoperitoneum associated with an undiagnosed ruptured intraabdominal ectopic pregnancy.
D Chadwick's sign is the blue-purple color of the cervix that may be seen during or around the eighth week of pregnancy.
These two desert arthropods, a scorpion and a cicada, have evolved very different approaches to livi
Genetic analysis begins with mutants 2
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The early stages of the human life cycle.