DMD and Muscles

What substance EXITS the myocyte when the membrane rips due to dysfunctional dystrophin inside the myofibril? 

• Calcium

• Creatine Kinase

• Actin

• Dystrophin

What is the condition called when you have an extra of any single chromosome?

• Huntington's Disease

• Hemophilia

• Cancer

• Trisomy

Where can smooth muscle be located?

• Skeleton

• Heart

• Shoulder Muscles

• Internal Organs

DMD is the only type of muscular dystrophy.

• True

• False

Which of the following is not major category of muscle?

• Cardiac

• Skeletal

• Round

• Smooth

Which of the following is the LARGEST?👏

• Muscles

• Myofibrils

• Fascicles

• Muscles fibers

Which of the following muscles in the human body move the skeleton?🦴

• bone muscles

• skeletal muscles

• cardiac muscles

• smooth muscles

Sarcomeres are made up of thin filaments (composed mainly of the protein ​ (a)   ) and thick filaments (composed mainly of the protein ​ (b)   .)  The actin of the outermost myofibril is connected to the cell membrane by a protein called ​ (c)   .

• actin
• myosin
• dystrophin

Skeletal muscles are connected to the bones by?

• blood

• myofibrils

• dystrophin

• tendons

Each skeletal muscle fiber contains many...

• fascicles

• myofibrils

• actin

• tendons