Answer the following statements true (T) or false (F)
1. Osteoblasts are the bone-resorbing cells.
2. Most of the bones of the body begin as cartilage.
3. As long as the epiphyseal plate remains between the diaphysis and epiphysis, bone growth can continue.
4. The “soft spots” in a baby’s skull are referred to as fontanels.
5. Osteoporosis is a weakening of the bone and occurs most often in women of childbearing age.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. FALSE
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Presynaptic facilitation results from
a. alteration of calcium permeability b. continued generation of EPSPs c. neuromodulator effects d. increased neurotransmitter production e. none of the above
What combination of gluteal muscles are mainly used for walking?
A. Gluteus medius and gluteus minimus B. Gluteus maximus and gluteus minimus C. Gluteus maximus and gluteus medius D. Gluteus minimus and piriformis
Any joint consisting of two bones joined by dense regular connective tissue without a joint cavity would be classified as a(n) ______ joint.
A. fibrous B. synovial C. cartilaginous
Given below are the layers of the respiratory membrane. In what order would oxygen pass through this membrane under normal circumstances?
1) layer of fluid lining the alveolus 2) alveolar epithelium 3) alveolar epithelium basement membrane 4) interstitial space 5) capillary endothelium's basement membrane 6) capillary endothelium A. 6,5,4,3,2,1 B. 4,1,2,3,5,6 C. 1,3,2,5,6,4 D. 1,2,3,4,5,6 E. 2,1,4,3,6,5