The muscle name "rectus abdominus" can be translated to mean...
A) straight near abdomen
B) surrounding the abdomen
C) covering the abdomen at an angle
D) connecting the abdomen to the clavicle
Points Earned:
1.0/1.0
Correct Answer(s):
A
2.
When the muscle cell contracts, the insertion site typically
A) does not move.
B) moves.
C) remains still
Points Earned:
1.0/1.0
Correct Answer(s):
B
3.
A muscle that causes a major movement is a(n)
A) prime mover or gonist
B) synergist
C) fixator
D) antagonist
Points Earned:
1.0/1.0
Correct Answer(s):
A
4.
The origin of a muscle is the attachment site on the bone that _______.
A) does not move much
B) moves freely
Points Earned:
1.0/1.0
Correct Answer(s):
A
5.
The contractile unit of a skeletal muscle cell is the
A) sarcomere
B) sarcoplasmic reticulum
C) thick myofilament
D) thin myofilament
E) sarcolemma
Points Earned:
1.0/1.0
Correct Answer(s):
A
6.
Typically, when a muscle contracts it _________, bringing the ________ attachment site towards the _________attachment site.
A) lengthens, origin, insertion
B) shortens, origin, insertion
C) lengthens, insertion,origin
D) shortens, insertion,origin
E) myometrium
Points Earned:
1.0/1.0
Correct Answer(s):
D
7.
Identify the only muscle in the posterior part of the arm that functions to extend the forearm (straighten the elbow).
A) biceps brachii
B) brachialis
C) triceps brachii
D) hand flexors
E) hand extensors
Points Earned:
0.0/1.0
Correct Answer(s):
C
8.
Identify muscle B.
Points Earned:
1.0/1.0
Correct Answer(s): pectoralis minor
9.
Identify muscle A.
Points Earned:
1.0/1.0
Correct Answer(s): latissimus dorsi
10.
Identify muscle B.
Points Earned:
1.0/1.0
Correct Answer(s): gluteus medius