Newborns need diapers because voluntary control of which urethral sphincter has not matured yet?

a) spongy
b) external
c) membranous
d) internal


b) external

Anatomy & Physiology

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What are two general mechanisms by which autoimmune diseases could arise?

What will be an ideal response?

Anatomy & Physiology

Dehydration synthesis reactions _____, whereas hydrolysis reactions _____

A) lose H2O to form bonds; use H2O to break bonds B) lose H2O to break bonds; use H2O to form bonds C) break large molecules into smaller ones; build large molecules from smaller ones D) use H2O to form bonds; lose H2O to break bonds

Anatomy & Physiology

Short muscle cells with centrally located nuclei are

A) cardiac muscle fibers. B) skeletal muscle fibers. C) striated muscle fibers. D) smooth muscle fibers.

Anatomy & Physiology

The universal energy currency in cells is

a. ATP. b. glucose. c. glycogen. d. insulin. e. myosin.

Anatomy & Physiology