An increase in cardiac sympathetic activity ____________________ the velocity of impulse conduction through the heart
Fill in the blank(s) with correct word
increases
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Which statement is true regarding calcium in bone matrix?
A) Calcium is found in crystals called hydroxyapatite. B) Calcium is secreted by osteoblasts into the matrix. C) Once deposited, calcium cannot be removed from bone. D) Calcium provides flexibility to the bone matrix. E) Calcium is the organic part of the matrix.
Skeletal muscle is capable of which of the following?
A) fused tetanus B) autorhythmicity C) wave summation D) wave summation and fused tetanus E) wave summation, fused tetanus and autorhythmicity
The indicated osteocyte is located within layers of bony matrix termed ______
lamellae canaliculi periosteum lacuna
A syndesmosis is an example of which type of joint?
a. synarthrosis b. amphiarthrosis c. diarthrosis d. gomphosis