The collar that forms around the opposing ends of bone fragments is called a/an ________.
A. hematoma
B. osteon
C. external callus
D. internal callus
E. epiphysis
Answer: C
Anatomy & Physiology
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The correct sequence of parts that carry cardiac impulses is
A. AV node, AV bundle, Purkinje fibers, SA node. B. SA node, AV node, AV bundle, Purkinje fibers. C. SA node, Purkinje fibers, AV node, AV bundle. D. AV node, SA node, Purkinje fibers, AV bundle.
Anatomy & Physiology
What are bone-dissolving cells called?
a) osteogenic cells b) osteoclasts c) osteocytes d) osteoblasts e) all of these choices
Anatomy & Physiology
Which of the following is a primary germ layer in the very early embryo?
a. Ectoderm b. Mesoderm c. Endoderm d. Epidermis
Anatomy & Physiology
Which of the following is not contained within the cytoplasm?
a. ribosomal subunits b. cytosol c. plasma membrane d. endoplasmic reticulum e. catalase
Anatomy & Physiology