One difference between the meninges of the brain and the spinal cord is that ________
A) denticulate ligaments connect the pia mater of the brain to the dura mater of the brain
B) the denticulate ligaments of the dura mater anchor the meninges to the arachnoid mater
C) the dura mater of the spinal cord is not attached to the inner surface of vertebrae, but the dura mater of the brain is attached to the inner surface of the cranial bones
D) There are no differences between the meningeal layers of the brain and spinal cord.
C
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What percentage of the total body weight in humans does blood represent?
a. 5% b. 8% c. 10% d. 15% e. 18%
Damage to which structure would produce an extensor rigidity that would NOT be significantly altered by section of the dorsal roots?
A. lateral vestibular nucleus B. anterior vermal region of the cerebellar cortex C. medullary reticular formation (nucleus gigantocellularis) D. cortical afferents to the pontine and medullary reticular formation E. cortex of the cerebellar hemisphere
You and your colleague are medical technicians in a cardiac function lab. You are reading the ECG of a patient and your friend is trying to capture an image of the AV valves opening using an ultrasound. At what point should you tell your friend to start recording images?
A. After the T wave B. Just after the P wave C. Just before the T wave D. Just before the P wave E. At the beginning of the QRS complex
Lung tissue receives nourishment and waste removal from the pulmonary circuit.
Answer the following statement true (T) or false (F)