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Fast twitch fibers A. have high resistance to fatigueB. have a relatively low concentration of myoglobinC. have more mitochondria than slow twitch fibersD. contract quickly with high tension

Which of the following is TRUE concerning Duchenne muscular dystrophy?

Patient is a  Caucasian woman, age 35, with an average BMI (Body mass Index- a measure of body fat based on height and weight). Patient reports stiffness and pain in joints upon waking up in the morning and says symptoms don’t really reside (go away) for ~ 3 hours.  She reports pain in 3 of her metacarpal-phalange joints, per hand.  Upon physical examination her muscle strength seems normal, she does not have eyelid droop or other visible weakness.  She reports feeling tired and low energy, despite getting plenty of rest, fluids and exercise. She does not/has not had any rashes.  From the symptoms and information above, select the best option below.  Which option provides the most likely diagnosis and recommends a an appropriate treatment plan.   

The intervertebral joint between two adjacent, vertebral bodies is a ________. 

Which of the following hydrolyzes ATP during the contraction cycle of skeletal muscle?

Which of the following types of joints is found between the frontal and parietal bones? 

Which of the following is NOT a function of synovial fluid?  

Muscle fibers that have high levels of  myoglobin are likely to have very few mitochondria.

The interphalange or phalange-phalange joint is a __________ and is an example of a ____________ joint.

A motor unit is defined as a skeletal muscle fiber and the motor neurons that innervate it.