Which statement is accurate?
A. Filtration dominates at the arterial end of a capillary bed, and is driven by osmotic pressure.
B. Filtration dominates at the arterial end of a capillary bed, and is driven by hydrostatic pressure.
C. Filtration dominates at the venous end of a capillary bed, and is driven by osmotic pressure.
D. Filtration dominates at the venous end of a capillary bed, and is driven by hydrostatic pressure.
B
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Which of the following occurs as a result of undescended testes?
A) Inadequate blood supply will retard the development of the testes. B) Inadequate or nonviable sperm will be produced. C) Sperm will have no means of exit from the body. D) Male sex hormones will not be circulated in the body.
Water loss from insensible perspiration
A) is unaffected by damage to the epidermis. B) is too small to be measured reliably. C) is approximately 0.5 liters a day. D) always exceeds sensible perspiration. E) depends on apocrine sweat glands.
A sphygmomanometer measures
A) blood pressure. B) hematocrit. C) brain function. D) clotting time.
Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?
A. Quadratus lumborum B. Serratus anterior C. Latissimus dorsi D. Multifidus E. External intercostals