The respiratory pump assists blood movement within the veins of the trunk, because as a person inspires,
A. intra-abdominal and intrathoracic pressure both increase.
B. intra-abdominal pressure decreases and intrathoracic pressure increases.
C. intra-abdominal and intrathoracic pressure both decrease.
D. intra-abdominal pressure increases and intrathoracic pressure decreases.
Answer: D
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A. anti-B antibodies. B. B antigens. C. anti-Rh antibodies. D. Rh antigens. E. anti-A antibodies.
A tissue section from the shaft of a long bone is circular in shape. This is probably a/an ________ section.
A. oblique B. transverse C. coronal D. longitudinal
Which of the following muscles would be compromised from damage to the femoral nerve?
A. Biceps femoris B. Vastus intermedius C. Semimembranosus D. Popliteus
The statement "There is always a synapse in a peripheral ganglion between the CNS and the effector organ" is
A) true only for the parasympathetic nervous system. B) true only for the sympathetic nervous system. C) true for both the parasympathetic and sympathetic nervous systems. D) not true for either the parasympathetic or sympathetic nervous systems. E) true only for the somatic nervous system.