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問題一覧
1
ATP is broken down in the ___________________________ portion of the myosin myofilament.
Head
2
Which of the following muscles are responsible for medial rotation of the humerus?
Teres Major, Latissimus Dorsi, and Pectoralis Major
3
Which of the following muscles does NOT belong to the rotator cuff muscle group?
Teres major
4
After the inguinal ligament, the Psoas Major and the Iliacus form the:
Iliopsoas
5
What muscle group supports the spine by keeping it upright?
Erector Spine
6
In the diagram below, which of the following would most likely be found lining the intestines?
B
7
Muscle growth is referred to as:
Musclar Hypertrophy
8
Flexes the Knee
Semimembranosus and Tensor Fasciae Latae
9
Where is Ca2+ stored in an unstimulated (not contracting) muscle fiber?
Sarcoplasmic Reticulum
10
Which of the following structures is NOT found within the carpal tunnel?
Tendons of Extensor Digitorum
11
Most of the the calcium binding and cross bridge formation occurs during
Contraction Phase
12
Which of the following muscles will medially rotate the thigh?
Gluteus Minimis
13
Based on the micrograph of a sarcomere below, is the sarcomere relaxed or fully contracted?
Fully contracted
14
Which of the following is NOT a muscle of facial expression?
Masseter
15
Which hamstring muscle will laterally rotate the leg?
Biceps Femoris
16
Which muscles are required to abduct the upper extremity PAST 90 degrees?
Trapezius and Serratus Anterior
17
Which of of the following anatomical relationships is FALSE?
From superficial to deep, the lateral wall of the abdomen is composed of the External Abdominal Oblique, the Transversus Abdominis, and the Internal Abdominal Oblique Muscles.
18
What muscles are responsible for the action shown below?
Superior Rectus and Inferior Oblique of both eyes.
19
The Long Thoracic nerve can be injured by blows to or pressure on the posterior triangle of the neck or during the surgical procedure of a radical mastectomy. Damage to this nerve cause loss of action to the muscle that rotates and protracts the scapula. It is characterized by a protruding scapula or a "winging of the scapula". What muscle is most likely affected?
Serratus anterior
20
What is the origin of the zygomaticus minor?
Zygomatic bone
21
Abducts and laterally rotates the thigh.
Gluteus Maximus
22
How is calcium released into the sacroplasm
By a muscle action potential that activates voltage-gated calcium channels and release channels within the T-tubule.
23
Lactic acid that builds up in muscle exercise is converted back into glucose by the:
Pancreases
24
Identify the Tibialis Anterior.
B
25
What muscle is used to wrinkle forehead?
Occipitofrontalis (Frontal Portion)
26
Identify the muscle below.
Stylohyoid
27
Which of the following metabolic processes is best suited for sustained energy supply over several minutes to hours
Aerobic Respiration
28
Which of the following would be the darkest fiber type due to large amounts of myoglobin and blood capillaries?
Slow Oxidative (SO) fibers
29
Identify the action of the labeled muscle below.
It elevates and retracts the mandible.
30
Abducts and medially rotates the thigh.
Gluteus Medius
31
Which muscle functions to flex the lateral aspect of the carpal bones?
Flexor Carpi Radialis
32
Adducts the thigh
Gracilis
33
What is the action of the Internal Intercostal Muscle?
Depresses rib during forced expiration.
34
Which of the following will NOT adduct the arm?
Pectoralis Minor
35
Identify the Extensor Hallucis Longus
C
36
What is the function of the Abductor Hallucis
Abducts and flexes digit 1 of the lower extremity.
37
Extends the knee
Vastus Intermedius
38
Which of the following muscles DOES NOT act to flex the upper extremity?
Anconeus
39
What is the insertion of the Palatoglossus
Tongue
40
What is the advanatage of having smaller motor unit within a muscle?
Precise control over movements
41
What are the two origins of the biceps brachii?
Supraglenoid tubercle and coracoid process
42
Identify the Extensor Digitorum Longus
A
43
When result is a ________________________________, where individual twitches cannot be detected. a skeletal muscle fiber is stimulated at a higher rate of 80-100 times per second, it does not relax at all. The
Complete Tetanus
44
What is the insertion of the stylohyoid?
Hyoid Process
45
What is the origin of the coracobrachialis muscle?
Coracoid Process
46
What is the function of tropomyosin?
To block the binding sites of G-actin.
47
Once active sites on G-actin molecules are exposed, the heads of the myosin filaments:
Form cross-bridges.
48
Extensor Digitorum of the upper extremity acts to:
Extend digits 2-5 and wrist.
49
Which of the following muscles is NOT involved in the action below?
Rectus Femoris
50
What 2 muscles are responsible for elevation of the mandible (shown below)
Masster, Temporalis
51
Which of the following muscles is NOT a muscle of mastication?
Buccinator