Which type of blood vessel possesses valves?
A) elastic arteries
B) arterioles
C) muscular arteries
D) veins
D
You might also like to view...
A 60-year-old woman who is hospitalized during recovery from a hysterectomy does not have a bowel movement for several days while eating solid foods
Because intestinal obstruction is suspected, she is returned to the OR for an exploratory laparotomy. The pattern of motility most likely to be observed in her gastrointestinal tract during the surgery can best be described as: A. peristalsis B. segmentation C. retroperistalsis D. spasm E. ileus
Which is TRUE during the luteal phase of the menstrual cycle?
A. Both estrogen and progesterone concentrations are kept low by negative feedback. B. Estrogen concentration remains low, while progesterone concentration rises to a peak. C. Progesterone concentration remains low, while estrogen concentration rises to a peak. D. Progesterone concentration in the plasma is high, but estrogen concentration rises even higher. E. Estrogen concentration in the plasma is high, but progesterone concentration rises even higher.
________ is the fluid within the vestibular and tympanic duct of the cochlea.
Fill in the blank(s) with the appropriate word(s).
In fish, the pattern of the sequential activation of muscle contraction is known as __________ and is under the control of the central nervous system
Fill in the blank with the correct word.