Which of the following is not a role of ionic calcium in muscle contraction?

A) triggers neurotransmitter secretion
B) promotes breakdown of glycogen and ATP synthesis
C) removes contraction inhibitor
D) activates epinephrine released from adrenal gland


D) activates epinephrine released from adrenal gland

Anatomy & Physiology

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Structure J represents a



A) myosin head.
B) sarcomere.
C) T tubule.
D) myofilament.
E) myofibril.

Anatomy & Physiology

Generally, PO2 in arterial blood is ________ than PO2 in venous blood.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which type of circuit is associated with complex neuronal processes, such as solving mathematical equations?

A. Diverging B. Reverberating C. Parallel after-discharge D. Converging

Anatomy & Physiology

A fourth, newly discover GI hormone is called:

a. glucose-dependent insulinotropic peptide (GIP) b. gastric reducing hormone c. motilin d. cholecystokinin (CCK) e. intestinal inhibitory peptide

Anatomy & Physiology