Skeletal muscles contain dark band, which are anisotropic are called…..
a) A band
b) Z band
c) I band
d) M line
The acetabulum provides the articular surface for the……
a) femur
b) pelvis
c) humerus
d) fibula
Scuapula is connected with sternum by…
a) ribs
b) clavicle
c) carpals
d) atlas
Thin myofilaments consist of……
a) actin, myosin, troponin
b) actin, tropomyosin, troponin
c) actin, tropomyosin, fibrin
d) actin, myoglobin, troponin
Which of the following changes occur when skeletal muscle contracts?
a) the A-bands shorten
b) the I-bands shorten
c) the Z-line move further apart
d) the H-zone becomes more visible
Human internal organs are protected mainly by the …….
a) hydrostatic skeleton
b) axial skeleton
c) exoskeleton
d) appendicular skeleton
