Which of the following is a biological risk factor in heart disease?

Which of the following is a biological risk factor in heart disease?
 
  A) High serum cholesterol
  B) Job strain
  C) Access to health care
  D) Emotional strain

Question 2

At two years of age, the brain already has attained 75 of its adult weight.
 
  Indicate whether the statement is true or false

Question 3

Which of the following statements is true of a heart attack?
 
  A) It can be fatal if the victim is not attended to within the first two hours.
  B) It is caused by a deficiency of estrogen in the body.
  C) It is caused by the uncontrollable division of cells.
  D) It is treated by methods such as radiation and chemotherapy.

Question 4

Girls significantly outgrow boys in height during the preschool years.
 
  Indicate whether the statement is true or false

Question 5

Heart disease most commonly results from arteriosclerosis or hardening of the arteries, which impairs circulation and increases the risk of _____.
 
  A) malignant tumors
  B) benign tumors
  C) an ulcer
  D) a thrombus

Question 6

_________ refers to the individual difference in style of reaction that is present early in life.
 
  A) Temperament
  B) Social referencing
  C) Deferred imitation
  D) A conditioned reflex