Which of the following describes the cells of single-unit visceral muscle?
A) They contract all at once.
B) They are chemically coupled to one another by gap junctions.
C) They exhibit spontaneous action potentials.
D) They consist of muscle fibers that are structurally independent of each other.
C) They exhibit spontaneous action potentials.
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Answer the following statements true (T) or false (F)
1. Cerebrospinal fluid is returned to the blood by being absorbed in the choroid plexus. 2. A blockage of the flow of cerebrospinal fluid can result in a condition called hydrocephalus. 3. A plexus allows the fibers from several spinal nerves to reorganize into a single peripheral nerve. 4. A skin surface area supplied by a single spinal nerve is called a plexus. 5. The autonomic nervous system is more likely to stimulate a smooth muscle than a voluntary muscle.
What symptoms would a nurse focus on in his or her care of a patient with multiple sclerosis?
What will be an ideal response?
A chemical that increases urine volume is called a _________________.
Fill in the blank(s) with the appropriate word(s).
Explain why blood pressure is higher in glomerular capillaries than in other systemic capillaries
A) Blood pressure is higher in glomerular capillaries because the efferent arteriole drains into peritubular capillaries. B) Blood pressure is higher in glomerular capillaries because the distal convoluted tubule constricts the afferent arteriole. C) Blood pressure is higher in glomerular capillaries because the kidneys are in close proximity to the renal arteries. D) Blood pressure is higher in glomerular capillaries because less proteins enter the afferent arterioles. E) Blood pressure is higher in glomerular capillaries because the efferent arteriole has a smaller diameter than the afferent arteriole.