Question 1

Identify muscle A.

Accepted Answer

A)  Deltoid 
B)  Trapezius 
C)  Scalenes 
D)  Teres major 
A)  Deltoid 
B)  Trapezius 
C)  Scalenes 
D)  Teres major B

Question 2

Explain the various roles calcium plays in the functioning of the skeletomuscular system.

Accepted Answer

The skeletal system stores and releases calcium. Stored calcium is a part of the hard extracellular matrix of bones. Calcium is released from the sarcoplasmic reticulum of a muscle cell by the arrival of the impulse at neuromuscular junction. Calcium binds troponin exposing the myosin binding site on actin.

Question 3

How many carpal bones are in the wrist?

Accepted Answer

A)  3 
B)  5 
C)  7 
D)  8 
A)  3 
B)  5 
C)  7 
D)  8 D

Question 4

Which bone does not belong to the appendicular skeleton?

Accepted Answer

A)  Cervical vertebrae 
B)  Ulna 
C)  Metatarsals 
D)  Clavicle 
A)  Cervical vertebrae 
B)  Ulna 
C)  Metatarsals 
D)  Clavicle

Question 5

What is the name of the bone that forms the upper side of the skull?

Accepted Answer

A)  Frontal bone 
B)  Occipital bone 
C)  Parietal bone 
D)  Temporal bone 
A)  Frontal bone 
B)  Occipital bone 
C)  Parietal bone 
D)  Temporal bone

Question 6

Which of the following functions applies to muscle?

Accepted Answer

A)  Produce movement 
B)  Support and protection 
C)  Mineral storage 
D)  Blood cell production 
A)  Produce movement 
B)  Support and protection 
C)  Mineral storage 
D)  Blood cell production

Question 7

A closed reduction is when aligning a broken bone does not involve cutting the skin.

Accepted Answer

A) True 
 B)False

Question 8

Exercise:

Accepted Answer

A)  strengthens muscles. 
B)  strengthens bones. 
C)  strengthens muscles and bones. 
D)  strengthens the attachments between muscles and bones. 
A)  strengthens muscles. 
B)  strengthens bones. 
C)  strengthens muscles and bones. 
D)  strengthens the attachments between muscles and bones.

Question 9

If we cannot get enough oxygen to the muscle cells, what happens?

Accepted Answer

A)  The muscle cell stops contracting. 
B)  The muscle cell makes less ATP. 
C)  The muscle cell continues with the Kreb's cycle but not the electron transport chain. 
D)  All of these are correct. 
A)  The muscle cell stops contracting. 
B)  The muscle cell makes less ATP. 
C)  The muscle cell continues with the Kreb's cycle but not the electron transport chain. 
D)  All of these are correct.

Question 10

Which step is the formation of the cross-bridge?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 11

True ribs attach directly to the sternum whereas false ribs attach indirectly or not at all.

Accepted Answer

A) True 
 B)False

Question 12

Identify muscle C.

Accepted Answer

A)  Gastronemius 
B)  Biceps femoris 
C)  Pectineus 
D)  Gluteus medius 
A)  Gastronemius 
B)  Biceps femoris 
C)  Pectineus 
D)  Gluteus medius

Question 13

ACh diffuses across the ____________ in order to bind with receptors on the muscle cell's membrane.

Accepted Answer

The answer of ACh diffuses across the ____________ in order...

Question 14

Which of the following is also known as the thick filament?

Accepted Answer

A)  Actin 
B)  Myosin 
C)  Troponin 
D)  Tropomyosin 
A)  Actin 
B)  Myosin 
C)  Troponin 
D)  Tropomyosin

Question 15

Slow twitch muscle fibers have an abundance of _____________, which enables them to deliver oxygen quickly to the mitochondria that need it during endurance exercises like long-distance running.

Accepted Answer

The answer of Slow twitch muscle fibers have an abundance...

Question 16

When a muscle contraction builds on the preceding one, _______________ takes place.

Accepted Answer

The answer of When a muscle contraction builds on the...

Question 17

The muscular system plays a role in protection of the internal organs.

Accepted Answer

A) True 
 B)False

Question 18

Tetanus on a myogram would look like a straight horizontal line indicating the tension is constant.

Accepted Answer

A) True 
 B)False

Question 19

Osteocytes live within cavities called lacunae.

Accepted Answer

A) True 
 B)False

Question 20

Which bone contains the foramen magnum?

Accepted Answer

A)  Frontal 
B)  Occipital 
C)  Sphenoid 
D)  Zygomatic 
A)  Frontal 
B)  Occipital 
C)  Sphenoid 
D)  Zygomatic

Exam 6: The Skeletomuscular System

Identify muscle A.

Explain the various roles calcium plays in the functioning of the skeletomuscular system.

How many carpal bones are in the wrist?

Which bone does not belong to the appendicular skeleton?

What is the name of the bone that forms the upper side of the skull?

Which of the following functions applies to muscle?

A closed reduction is when aligning a broken bone does not involve cutting the skin.

Exercise:

If we cannot get enough oxygen to the muscle cells, what happens?

Which step is the formation of the cross-bridge?

True ribs attach directly to the sternum whereas false ribs attach indirectly or not at all.

Identify muscle C.

ACh diffuses across the ____________ in order to bind with receptors on the muscle cell's membrane.

Which of the following is also known as the thick filament?

Slow twitch muscle fibers have an abundance of _____________, which enables them to deliver oxygen quickly to the mitochondria that need it during endurance exercises like long-distance running.

When a muscle contraction builds on the preceding one, _______________ takes place.

The muscular system plays a role in protection of the internal organs.

Tetanus on a myogram would look like a straight horizontal line indicating the tension is constant.

Osteocytes live within cavities called lacunae.

Which bone contains the foramen magnum?

What Is Life

Where Do We Come From and Where Do We Fit

Everyday Chemistry of Life

Cells: Organization and Communication

Tissues

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

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