Which white blood cells function primarily as phagocytotic cells?

A) Monocytes and lymphocytes
B) Basophils and neutrophils
C) Eosinophils and monocytes
D) Neutrophils and monocytes

Which of the following people would have the greatest risk of developing skin cancer?

A) A 31-year old dark-skinned male
B) A 68-year old male with blond hair and blue eyes
C) A 23-year old female with blond hair and hazel eyes
D) A 55-year old male with brown hair and brown eyes

What occurs during the second stage of labor?

A) The cervix begins to dilate.
B) The cervix becomes effaced.
C) The fetus is "delivered."
D) The uterus begins to contract.
E) The amnion breaks.

Which of the following describes a type I survivorship curve?

A) Most individuals die of old age.
B) Many individuals die early in life.
C) Individuals die at a constant rate throughout time.
D) Most individuals die during their reproductive years.
E) Most individuals die before old age, but after their reproductive years.