The conus medullaris anchors the spinal cord to the coccygeal ligament via a strand of fibrous tissue called the
A) denticulate ligament.
B) filum terminale.
C) spinal ligament.
D) meningeal ligament.
E) dura mater.
B
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What is the most significant factor in determining the peripheral resistance in a blood vessel?
A. Blood vessel length B. Blood vessel diameter C. Blood viscosity D. Hematocrit E. All of these factors contribute equally to the peripheral resistance in a blood vessel.
A 24-year-old male is seen for a routine physical examination. AT REST, he has a blood pressure of 120/80 mm Hg and a heart rate of 75 beats/min. He is advised to begin an exercise program
When he returns 3 months later, his heart rate has decreased to 50 beats/min (asymptomatic). Which of the set of values below would you expect to observe in this patient AT REST compared to 3 months ago? Pulse pressure Cardiac output A. increased no change B. increased increased C. decreased increased D. decreased no change E. increased decreased
Aged erythrocytes are phagocytized in the liver and spleen by cells called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following layers of the digestive tract wall is a sparse layer of smooth muscle?
a. sub mucosa b. mucosa c. lamina propria d. muscularis mucosa e. serosa