PRINCIPLES 3: EXAM 1 2022 QUIZ
1. There are __ cervical (C), __ thoracic (T), and __ lumbar (L) vertebrae.
2. Cerebrospinal fluid (CSF) is contained between the ___ and _______ maters in the subarachnoid
space.
3. In children, the spinal cord ends at __ and moves up with age. CORRECT ANSWER: 1. There are
7 cervical (C), 12 thoracic (T), and 5 lumbar (L) vertebrae.
2. Cerebrospinal fluid (CSF) is contained between the pia and arachnoid maters in the subarachnoid
space.
3. In children, the spinal cord ends at L3 and moves up with age.
1. Because the spinal cord normally ends at L1, lower nerve roots course some distance before
exiting the?.
2. These lower spinal nerves form the ? ("horse's tail".)
3. One of these radicular arteries is typically large, the artery of _________, or arteria radicularis
magna, arising from the aorta. CORRECT ANSWER: 1. Because the spinal cord normally ends at L1,
lower nerve roots course some distance before exiting the? intervertebral foramina.
2. These lower spinal nerves form the cauda equina ("horse's tail".
3. One of these radicular arteries is typically large, the artery of Adamkiewicz, or arteria radicularis
magna, arising from the aorta.
1. __________ should be discontinued 72 hours before a neuraxial block.
2. Should rivaroxaban be administered before catheter removal, - to - hours should elapse before
catheter removal, or an anti-factor Xa assay should be assessed before catheter removal.
3. A (?)-hour discontinuation period is suggested prior to neuraxial anesthesia in patients with a
creatinine clearance of 50 to 79 mL/min and 120 hours for patients with a creatinine clearance of 30
to 49 mL/min. CORRECT ANSWER: 1. Rivaroxaban should be discontinued 72 hours before a
neuraxial block.
2. Should rivaroxaban be administered before catheter removal, 22 to 26 hours should elapse before
catheter removal, or an anti-factor Xa assay should be assessed before catheter removal.
3. A 96-hour discontinuation period is suggested prior to neuraxial anesthesia in patients with a
creatinine clearance of 50 to 79 mL/min and 120 hours for patients with a creatinine clearance of 30
to 49 mL/min.
________ and other __________ do not increase the risk of spinal hematoma from neuraxial
anesthesia procedures or epidural catheter removal. CORRECT ANSWER: Aspirin and other
1. There are __ cervical (C), __ thoracic (T), and __ lumbar (L) vertebrae.
2. Cerebrospinal fluid (CSF) is contained between the ___ and _______ maters in the subarachnoid
space.
3. In children, the spinal cord ends at __ and moves up with age. CORRECT ANSWER: 1. There are
7 cervical (C), 12 thoracic (T), and 5 lumbar (L) vertebrae.
2. Cerebrospinal fluid (CSF) is contained between the pia and arachnoid maters in the subarachnoid
space.
3. In children, the spinal cord ends at L3 and moves up with age.
1. Because the spinal cord normally ends at L1, lower nerve roots course some distance before
exiting the?.
2. These lower spinal nerves form the ? ("horse's tail".)
3. One of these radicular arteries is typically large, the artery of _________, or arteria radicularis
magna, arising from the aorta. CORRECT ANSWER: 1. Because the spinal cord normally ends at L1,
lower nerve roots course some distance before exiting the? intervertebral foramina.
2. These lower spinal nerves form the cauda equina ("horse's tail".
3. One of these radicular arteries is typically large, the artery of Adamkiewicz, or arteria radicularis
magna, arising from the aorta.
1. __________ should be discontinued 72 hours before a neuraxial block.
2. Should rivaroxaban be administered before catheter removal, - to - hours should elapse before
catheter removal, or an anti-factor Xa assay should be assessed before catheter removal.
3. A (?)-hour discontinuation period is suggested prior to neuraxial anesthesia in patients with a
creatinine clearance of 50 to 79 mL/min and 120 hours for patients with a creatinine clearance of 30
to 49 mL/min. CORRECT ANSWER: 1. Rivaroxaban should be discontinued 72 hours before a
neuraxial block.
2. Should rivaroxaban be administered before catheter removal, 22 to 26 hours should elapse before
catheter removal, or an anti-factor Xa assay should be assessed before catheter removal.
3. A 96-hour discontinuation period is suggested prior to neuraxial anesthesia in patients with a
creatinine clearance of 50 to 79 mL/min and 120 hours for patients with a creatinine clearance of 30
to 49 mL/min.
________ and other __________ do not increase the risk of spinal hematoma from neuraxial
anesthesia procedures or epidural catheter removal. CORRECT ANSWER: Aspirin and other
