Question 1

In skeletal muscle,which protein is PRESENT in the I-band but ABSENT from the H-band?

Accepted Answer

A)  Actin 
B)  Creatine kinase 
C)  Desmin 
D)  Myosin 
E)  Titin 
A)  Actin 
B)  Creatine kinase 
C)  Desmin 
D)  Myosin 
E)  Titin A

Question 2

Nervous stimulation of skeletal muscle results in a wave of depolarization along the plasma membrane.This electrical signal is carried into the interior of the muscle cell via the membranes of the:

Accepted Answer

A)  Intercalated disks 
B)  Nuclear envelope 
C)  Sarcomere 
D)  Sarcoplasmic reticulum 
E)  T-tubules 
A)  Intercalated disks 
B)  Nuclear envelope 
C)  Sarcomere 
D)  Sarcoplasmic reticulum 
E)  T-tubules E

Question 3

The stem cells of muscle,which multiply and differentiate into muscle fibers to repair damaged muscle,are called:

Accepted Answer

A)  Intercalated cells 
B)  Myoepithelial cells 
C)  Pericytes 
D)  Satellite cells 
E)  Schwann cells 
A)  Intercalated cells 
B)  Myoepithelial cells 
C)  Pericytes 
D)  Satellite cells 
E)  Schwann cells D

Question 4

The dense bodies found in smooth muscle cells are functionally and anatomically analogous to which structure found in skeletal muscle cells?

Accepted Answer

A)  A-band 
B)  Intercalated disks 
C)  Mitochondria 
D)  Sarcoplasmic reticulum 
E)  Z-line 
A)  A-band 
B)  Intercalated disks 
C)  Mitochondria 
D)  Sarcoplasmic reticulum 
E)  Z-line

Question 5

Cardiac muscle can be distinguished from skeletal muscle because cardiac muscle:

Accepted Answer

A)  Forms muscle fibers with larger diameters than those of skeletal muscle 
B)  Has 15 to 20 nuclei per muscle fiber (cell) 
C)  Lacks intercalated disks 
D)  Lacks striations 
E)  Possesses a nucleus located in the center of each muscle fiber 
A)  Forms muscle fibers with larger diameters than those of skeletal muscle 
B)  Has 15 to 20 nuclei per muscle fiber (cell) 
C)  Lacks intercalated disks 
D)  Lacks striations 
E)  Possesses a nucleus located in the center of each muscle fiber

Question 6

The function of the protein,dystrophin,is to:

Accepted Answer

A)  Anchor actin filaments to the plasma membrane 
B)  Conduct an action potential to the sarcoplasmic reticulum 
C)  Form regular arrays of actin filaments within the I-band 
D)  Regulate the binding of myosin to actin 
E)  Transport calcium into t-tubules 
A)  Anchor actin filaments to the plasma membrane 
B)  Conduct an action potential to the sarcoplasmic reticulum 
C)  Form regular arrays of actin filaments within the I-band 
D)  Regulate the binding of myosin to actin 
E)  Transport calcium into t-tubules

In skeletal muscle,which protein is PRESENT in the I-band but ABSENT from the H-band?

Nervous stimulation of skeletal muscle results in a wave of depolarization along the plasma membrane.This electrical signal is carried into the interior of the muscle cell via the membranes of the:

The stem cells of muscle,which multiply and differentiate into muscle fibers to repair damaged muscle,are called:

The dense bodies found in smooth muscle cells are functionally and anatomically analogous to which structure found in skeletal muscle cells?

Cardiac muscle can be distinguished from skeletal muscle because cardiac muscle:

The function of the protein,dystrophin,is to:

The Cell

Epithelium and Exocrine Glands

Connective Tissue

Nervous Tissue

Cartilage and Bone

Blood and Bone Marrow

Cardiovascular System

Lymphoid System

Endocrine System

Integumentary System

Upper Digestive System

Lower Digestive System

Liver, Gallbladder, and Exocrine Pancreas

Respiratory System

Urinary System

Male Reproductive System

Female Reproductive System

Eye and Adnexa

Special Senses

Filters

Exam 4: Muscle Tissue

In skeletal muscle,which protein is PRESENT in the I-band but ABSENT from the H-band?

Nervous stimulation of skeletal muscle results in a wave of depolarization along the plasma membrane.This electrical signal is carried into the interior of the muscle cell via the membranes of the:

The stem cells of muscle,which multiply and differentiate into muscle fibers to repair damaged muscle,are called:

The dense bodies found in smooth muscle cells are functionally and anatomically analogous to which structure found in skeletal muscle cells?

Cardiac muscle can be distinguished from skeletal muscle because cardiac muscle:

The function of the protein,dystrophin,is to:

The Cell

Epithelium and Exocrine Glands

Connective Tissue

Nervous Tissue

Cartilage and Bone

Blood and Bone Marrow

Cardiovascular System

Lymphoid System

Endocrine System

Integumentary System

Upper Digestive System

Lower Digestive System

Liver, Gallbladder, and Exocrine Pancreas

Respiratory System

Urinary System

Male Reproductive System

Female Reproductive System

Eye and Adnexa

Special Senses

Filters