Which of the following will increase the heart rate?
A. A decrease in the level of carbon dioxide in the blood
B. An increase in the level of carbon dioxide in the blood
C. A rise in pH
D. An increase in blood pressure
E. An increase in the level of blood oxygen
Answer: B
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Which of the following can cause demyelination?
A) arsenic poisoning B) diphtheria C) multiple sclerosis D) mercury exposure E) Demyelination can be caused by arsenic, diphtheria, multiple sclerosis and mercury.
Answer the following statements true (T) or false (F)
1. Workers who use vibrating tools are particularly susceptible to carpal tunnel syndrome. 2. Abnormal motion of the scapula may contribute to shoulder impingement syndrome. 3. Proper pitching mechanics in youth pitchers can help prevent elbow injuries by reducing the valgus load on the elbow. 4. Shoulder girdle and shoulder joint are interchangeable terms meaning the same thing. 5. The rotator cuff muscle which is located between the scapula and the thorax is the supraspinatus.
Cristae are found in the
a. lysosome. b. mitochondrion. c. nucleolus. d. nucleus. e. rough ER.
Name the paired central nervous system nuclei that adjust the pace of respiration
A) dorsal respiratory group and ventral respiratory group B) apneustic centers and pneumotaxic centers C) apneustic centers and dorsal respiratory group D) apneustic centers and ventral respiratory group E) pneumotaxic centers and ventral respiratory group