Which disorder is a congenital defect characterized by brittle bones that lack collagen fibers?
A. Osteoarthritis
B. Osteogenesis imperfecta
C. Rickets
D. Osteomalacia
Answer: B
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These muscles extend inferomedially from the superior rib to an adjacent inferior rib, and are involved in elevating the ribs during inhalation.
A. External intercostals B. Diaphragm C. Transversus thoracis D. Serratus posterior inferior E. Internal intercostals
Defecation is a spinal reflex
Indicate whether the statement is true or false
Where in the hearts conduction system do the action potentials pause momentarily?
a. action potentials pass slowly through the atrioventricular node. b. action potentials pass slowly through the atrioventricular bundle. c. action potentials pass slowly through the Purkinje fibers. d. action potentials pass slowly through the bundle branches.
__________ is the study of the body's structure; while _________ is the study of the function of living organisms.
A.) Physiology; anatomy B.) Anatomy; histology C.) Anatomy; physiology D.) Physiology; histology