Which hormone appears to play an important role in establishing the body's sleep-wake cycle?
A) thymosin
B) cortisol
C) melatonin
D) aldosterone
C
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The functional contractile unit of a skeletal muscle fiber is called a ________.
Fill in the blank(s) with the appropriate word(s).
Phasic receptors
a. exhibit an "off-response" b. signal a change in stimulus intensity c. are rapidly adapting receptors d. exhibit all of the above characteristics e. exhibit none of the above characteristics
Severe iron deficiency and anemia will result in which of the following?
decreased oxygen carrying capacity metabolic energy limitation both a and B
A young patient has a type of cancer called acute lymphoblastic leukemia (ALL). In a child with ALL, too many cells become lymphoblasts. Into what type of cells do lymphoblasts differentiate?
What will be an ideal response?