When the partial pressure of carbon dioxide was decreased, what changes occurred in the urine?
A) H+ and bicarbonate ion both increased in the urine.
B) H+ in the urine decreased and bicarbonate ion increased in the urine.
C) H+ and bicarbonate ion both decreased in the urine.
D) H+ in the urine increased and bicarbonate ion decreased in the urine
Answer: B) H+ in the urine decreased and bicarbonate ion increased in the urine.
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What is line F pointing to?
a) Pulp cavity b) Cementum c) Root canal d) Alveolar bone e) Gingival sulcus
Which of the following is descriptive of skeletal muscle fibers?
A) Skeletal muscle fibers lack a sarcolemma and myofibrils. B) Skeletal muscle fibers are smaller than most cells. C) Skeletal muscle fibers are uninucleate. D) Skeletal muscle fibers are striated.
In the nucleus, DNA is complexed with proteins to form a fine filamentous material called __________________.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Skeletal muscle is also called striated muscle. 2. Smooth muscle is also called voluntary muscle. 3. Cardiac muscle is found in the heart. 4. Like skeletal muscles, cardiac muscles have striations. 5. Like skeletal muscles, cardiac muscles have intercalated disks.