Author Question: The large, fan-shaped muscle that covers the anterior chest from the sternum to the proximal end of ... (Read 33 times)

plus1 · **on:** Jul 11, 2018

The large, fan-shaped muscle that covers the anterior chest from the sternum to the proximal end of the humerus and acts on the joint of the shoulder to flex, adduct, and rotate is

a. serratus anterior.
b. intercostal.
c. transversus abdominis.
d. pectoralis major.

Question 2

According to statistics, Baby J, born to a black American couple, has a life expectancy lower than that of Baby K, born to a white American couple.

According to current demographic projections, by the seventh decade of life, Baby J's life expectancy will: A) Begin to equal that of similarly aged white elders
B) Exceed that of similarly aged Asian elders
C) Drop to less than half that of similarly aged Native American elders
D) Rise above that of white elders until age 75 and then drop

ecabral0 · **Reply #1 on:** Jul 11, 2018

Answer to Question 1

D
Pectoralis major is the large, fan-shaped muscle that covers the anterior chest and is an adductor muscle, which will cause the shoulder to flex.

Answer to Question 2

A
Feedback:
After reaching the seventh decade of life, black Americans can hope to enjoy a life expectancy equal to that of their white cohorts.