What type of joint allows motion around only one axis?
A) multiaxial (triaxial) B) nonaxial
C) biaxial D) uniaxial
Answer: D
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Each hemoglobin molecule contains _____ heme molecules, and each heme can carry _____ oxygen molecule(s)
Fill in the blank(s) with correct word
Where does most nutrient absorption occur?
A) in the mouth B) in the stomach, primarily in the body C) in the small intestine, primarily in the jejunum D) in the large intestine, primarily in the cecum E) in the large intestine, primarily in the transverse colon
Sympathetic nerve impulses usually cause proportional degrees of vasodilation in the
afferent and efferent arterioles. Indicate whether the statement is true or false
Continuous conduction of action potentials means that
A. an action potential is conducted from one node of Ranvier to the next node. B. an action potential in one site generates local currents causing depolarization to threshold at the adjacent site. C. once an action potential is created, it moves in both directions along the axon. D. the whole axon depolarizes at the same time.