As a result of the long refractory period, cardiac muscle cannot exhibit
A) tetany.
B) treppe.
C) recruitment.
D) tonus.
E) fatigue.
A) tetany.
Anatomy & Physiology
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Which of these is an inclusion, not an organelle?
A) melanin B) lysosome C) microtubule D) cilia
Anatomy & Physiology
The areas of fibrous connective tissue between developing cranial bones are ________
A) sutures B) areolas C) foramina D) fontanels
Anatomy & Physiology
In a typical epiphyseal (growth) plate, which zone of cartilage is closest to the marrow cavity?
a. Zone of reserve cartilage b. Zone of proliferating cartilage c. Zone of hypertrophic cartilage d. Zone of calcifying cartilage e. Zone of ossification
Anatomy & Physiology
The primary function of osteoblasts is to
A. inhibit the growth of bone. B. lay down bone matrix. C. resorb bone along the epiphyseal plate. D. prevent osteocytes from forming. E. stimulate bone growth.
Anatomy & Physiology