Which of the following statements explains why sensations felt on the left side of the body are received by the right cerebral hemisphere?
A) There is no explanation for this occurrence.
B) Axons of third-order neurons cross over to the opposite side of the CNS.
C) First-order neurons cross over to the opposite side of the CNS.
D) Axons of second-order neurons in a sensory pathway cross over to the opposite side of the CNS.
D
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Lymphatic capillaries
A. include layers of smooth muscle for peristalsis. B. cannot be discerned structurally from cardiovascular system capillaries. C. originate as closed-ended tubes associated with blood capillary networks. D. filter lymph. E. concentrate lymph prior to passing it to larger lymphatic vessels.
Open-heart bypass surgery, to replace obstructed vessels that feed the heart with oxygenated blood, requires a long incision cut down the breastbone. The ribs are then spread to work on the heart. This incision is along the ________ plane.
A) frontal B) coronal C) transverse D) sagittal E) oblique
The temporomandibular joint is synovial, has a meniscus for additional shock absorption, and is the largest freely movable joint of the skull.
a. true b. false
What is the function of ADH?
A. Tissue growth B. Bone reabsorption C. Increase metabolic rate D. Water retention