What term below describes the shaft of the long bone?
A. Endosteum
B. Diaphysis
C. Epiphyses
D. Marrow
Answer: B
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Precapillary sphincters will
A. open when the tissue needs nutrients. B. control blood flow into the true capillaries. C. close when the tissue's needs have been met. D. cause blood to flow directly from the metarteriole into the postcapillary venule. E. All of these answers are correct.
Match these terms with their descriptions.
1. carry primarily efferent signals from the brain 2. projections of white matter that remain in the spinal cord 3. projections of white matter that remain in the spinal cord 4. projections that carry sensory information to the brain 5. myelinated axons with very few cell bodies A. gray matter B. white matter C. ascending tracts D. descending tracts E. propriospinal tracts
When arterial blood pressure is elevated above normal, which of the following compensatory changes in renal function occur as a result of the baroreceptor reflex?
a. afferent arteriolar vasoconstriction b. afferent arteriolar vasodilation c. reduction in GFR d. increased water reabsorption e. Both a and d
The limbs of the body are attached to the axis and make up the
A. appendicular region. B. axial region. C. antebrachial region. D. abdominal region. E. thoracic region.