The ________ extends past the conus medullaris to anchor the spinal cord in the sacrum
A) filum terminale
B) cauda equina
C) cervical enlargement
D) lumbar enlargement
A
Explanation:
B) The cauda equina does not anchor the spinal cord.
C) The cervical enlargement does not anchor the spinal cord.
D) The lumbar enlargement does not anchor the spinal cord.
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Match the lung disease to its description.
1. destruction of alveoli 2. thickened alveolar membrane and decreased lung compliance 3. decreased surface area for gas exchange 4. increased airway resistance 5. fluid accumulation in interstitial spaces 6. increased diffusion distance A. fibrotic lung disease B. emphysema C. asthma D. pulmonary edema
Because herbal supplements are used in people and animals, they are regulated by the FDA
a. true b. false
The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the ________.
A. pampiniform plexus of veins B. scrotal portal system C. blood-testis barrier D. rete testis E. epididymis
Which substance does NOT inhibit platelet aggregation?
A. Prostacyclin B. von Willebrand factor C. CD39 D. Nitric oxide