Question 1

Which of the following muscles is the prime mover for inhalation?

Accepted Answer

A) internal intercostals 
B) external intercostals 
C) diaphragm 
D) stylohyoid 
E) hyoglossus 
A) internal intercostals 
B) external intercostals 
C) diaphragm 
D) stylohyoid 
E) hyoglossus C

Question 2

A skateboarder falls and lands directly on his buttocks and lower back.He does not feel too much pain and so he continues skating.After a couple of days he begins experiencing right hip pain and notices his right foot and leg are rotated to the right.A doctor diagnoses muscle spasm.Which of the following muscles is most likely causing the leg and foot rotation?

Accepted Answer

A) quadratus lumborum 
B) tibialis posterior 
C) piriformis 
D) adductor longus 
E) sacrospinalis 
A) quadratus lumborum 
B) tibialis posterior 
C) piriformis 
D) adductor longus 
E) sacrospinalis C

Question 3

Which of the following muscles of mastication would be responsible for mandibular elevation?

Accepted Answer

A) temporalis 
B) lateral pterygoid 
C) stylohyoid 
D) zygomaticus major 
E) zygomaticus minor 
A) temporalis 
B) lateral pterygoid 
C) stylohyoid 
D) zygomaticus major 
E) zygomaticus minor A

Question 4

Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?

Accepted Answer

A) prime movers 
B) antagonists 
C) synergists 
D) fixators 
E) adductors 
A) prime movers 
B) antagonists 
C) synergists 
D) fixators 
E) adductors

Question 5

Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

Accepted Answer

A) multifidus 
B) latissimus dorsi 
C) external intercostals 
D) serratus anterior 
E) quadratus lumborum 
A) multifidus 
B) latissimus dorsi 
C) external intercostals 
D) serratus anterior 
E) quadratus lumborum

Question 6

The originates on the zygomatic arch and inserts on the angle of the mandible.

Accepted Answer

A) masseter 
B) buccinator 
C) temporalis 
D) genioglossus 
E) stylohyoid 
A) masseter 
B) buccinator 
C) temporalis 
D) genioglossus 
E) stylohyoid

Question 7

The longest muscle in the human body is the

Accepted Answer

A) iliopsoas. 
B) sartorius. 
C) erector spinae. 
D) semitendinosus. 
E) semimembranosus. 
A) iliopsoas. 
B) sartorius. 
C) erector spinae. 
D) semitendinosus. 
E) semimembranosus.

Question 8

Tendinous intersections divide the into segments externally visible on the abdomen of a well-muscled person.

Accepted Answer

A) vastus lateralis 
B) serratus anterior 
C) rectus abdominis 
D) quadriceps femoris 
E) transverse abdominal 
A) vastus lateralis 
B) serratus anterior 
C) rectus abdominis 
D) quadriceps femoris 
E) transverse abdominal

Question 9

What is(are) the innervation(s) of the palatoglossus?

Accepted Answer

A) hypoglossal nerve 
B) accessory nerve 
C) vagus nerve 
D) hypoglossal and accessory nerves 
E) accessory and vagal nerves 
A) hypoglossal nerve 
B) accessory nerve 
C) vagus nerve 
D) hypoglossal and accessory nerves 
E) accessory and vagal nerves

Question 10

Muscle fibers are arranged in bundles called

Accepted Answer

A) compartments. 
B) fascicles. 
C) retinacula. 
D) aponeuroses. 
E) groups. 
A) compartments. 
B) fascicles. 
C) retinacula. 
D) aponeuroses. 
E) groups.

Question 11

Which of the following is true regarding the levator scapulae?

Accepted Answer

A) It is innervated by the phrenic nerve. 
B) It elevates the scapula if the scapula is fixed. 
C) It rotates the scapula and depresses the apex of the shoulder. 
D) It flexes the neck if the scapula is fixed. 
E) It protracts the scapula if the humerus is fixed. 
A) It is innervated by the phrenic nerve. 
B) It elevates the scapula if the scapula is fixed. 
C) It rotates the scapula and depresses the apex of the shoulder. 
D) It flexes the neck if the scapula is fixed. 
E) It protracts the scapula if the humerus is fixed.

Question 12

Which of the following extensors of the head is the most superficial?

Accepted Answer

A) trapezius 
B) semispinalis capitis 
C) splenius capitis 
D) sternocleidomastoid 
E) temporalis 
A) trapezius 
B) semispinalis capitis 
C) splenius capitis 
D) sternocleidomastoid 
E) temporalis

Question 13

Which of the following best describes the insertion of the extensor digitorum?

Accepted Answer

A) It indirectly inserts on all digits of the hand. 
B) It indirectly inserts on all digits of the hand except the thumb. 
C) It directly inserts on all digits of the hand. 
D) It directly inserts on all digits of the hand except the thumb. 
E) It directly inserts on the index finger only. 
A) It indirectly inserts on all digits of the hand. 
B) It indirectly inserts on all digits of the hand except the thumb. 
C) It directly inserts on all digits of the hand. 
D) It directly inserts on all digits of the hand except the thumb. 
E) It directly inserts on the index finger only.

Question 14

Which muscle(s) in the figure is(are) innervated by the obturator nerve?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 15

Which one of these muscles helps to open the mouth (depress the mandible)?

Accepted Answer

A) zygomaticus major 
B) digastric 
C) sternohyoid 
D) depressor anguli oris 
E) hyoglossus 
A) zygomaticus major 
B) digastric 
C) sternohyoid 
D) depressor anguli oris 
E) hyoglossus

Question 16

Which muscle acting on the arm assists in deep inspiration?

Accepted Answer

A) pectoralis major 
B) latissimus dorsi 
C) teres minor 
D) diaphragm 
E) deltoid 
A) pectoralis major 
B) latissimus dorsi 
C) teres minor 
D) diaphragm 
E) deltoid

Question 17

The semitendinosus is an example of what muscle shape?

Accepted Answer

A) triangular 
B) fusiform 
C) sphincter 
D) convergent 
E) pennate 
A) triangular 
B) fusiform 
C) sphincter 
D) convergent 
E) pennate

Question 18

Which of the following muscles is in the medial compartment of the thigh?

Accepted Answer

A) soleus 
B) adductor longus 
C) piriformis 
D) vastus medialis 
E) semimembranosus 
A) soleus 
B) adductor longus 
C) piriformis 
D) vastus medialis 
E) semimembranosus

Question 19

Which muscle originates at the manubrium, inserts on the thyroid cartilage, and aids in singing low notes?

Accepted Answer

A) omohyoid 
B) thyrohyoid 
C) sternothyroid 
D) stylohyoid 
E) lateral pterygoid 
A) omohyoid 
B) thyrohyoid 
C) sternothyroid 
D) stylohyoid 
E) lateral pterygoid

Question 20

Which muscle(s) in the figure is(are) innervated by the tibial nerve?

Accepted Answer

A) 1 
B) 2 and 4 
C) 2, 4 and 5 
D) 3 
E) 1, 2 and 3 
A) 1 
B) 2 and 4 
C) 2, 4 and 5 
D) 3 
E) 1, 2 and 3

Exam 10: The Muscular System

Which of the following muscles is the prime mover for inhalation?

Which of the following muscles of mastication would be responsible for mandibular elevation?

Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?

Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?

The originates on the zygomatic arch and inserts on the angle of the mandible.

The longest muscle in the human body is the

Tendinous intersections divide the into segments externally visible on the abdomen of a well-muscled person.

What is(are) the innervation(s) of the palatoglossus?

Muscle fibers are arranged in bundles called

Which of the following is true regarding the levator scapulae?

Which of the following extensors of the head is the most superficial?

Which of the following best describes the insertion of the extensor digitorum?

Which muscle(s) in the figure is(are) innervated by the obturator nerve?

Which one of these muscles helps to open the mouth (depress the mandible)?

Which muscle acting on the arm assists in deep inspiration?

The semitendinosus is an example of what muscle shape?

Which of the following muscles is in the medial compartment of the thigh?

Which muscle originates at the manubrium, inserts on the thyroid cartilage, and aids in singing low notes?

Which muscle(s) in the figure is(are) innervated by the tibial nerve?

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Genes and Cellular Function

The Human Tissues

The Integumentary System

Bone Tissue

The Skeletal System

Joints

Muscular Tissue

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Somatic Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System and Visceral Reflexes

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Heart

The Circulatory System: Blood Vessels and Circulation

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

Fluid, Electrolyte, and Acid - Base Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Anatomical Terminology and Body Planes

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