The outermost, tough portion of a hair shaft is the
A) cuticle.
B) soft keratin.
C) medulla.
D) external root sheath.
E) cortex.
A) cuticle.
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Cartilage grows in two ways, appositional and interstitial. What is appositional growth?
A) the secretion of new matrix against the external face of existing cartilage B) the lengthening of hyaline cartilage C) along the edges only of existing osteons, making each osteon larger D) growth at the epiphyseal plate
Which of the following involves the greatest number of bones?
A) distal radioulnar articulation B) intercarpal articulations C) intertarsal articulations D) radiocarpal articulation E) knee joint
A young patient is short in stature, with his limbs and trunk in proportion. His mental development appears to be appropriate for his age. Determine and discuss the type of hormonal disorder he likely has
What will be an ideal response?
A Ca2+-binding protein in smooth muscle is calmodulin
Indicate whether the statement is true or false.