and CORRECT Answers
1. Under the age of 45 low back problems are the most common cause of disability? T/F -
CORRECT ANSWER- ✔✔True
2. Acute low back pain does not meet the previously defined criteria for - CORRECT
ANSWER- ✔✔Chronic low back pain
3. Chronic low back pain is defined as - CORRECT ANSWER- ✔✔Activity intolerance due
to back related leg symptoms longer than 3 months
4. 90% of patients with low back pain will spontaneously recover within - CORRECT
ANSWER- ✔✔1 month
5. In the absence of signs dangerous conditions - CORRECT ANSWER- ✔✔there is no need
for special studies since 90% of patients will recover within 4 weeks? T/F, True
6. During the medical history examination it is important to gather what? - CORRECT
ANSWER- ✔✔Patients description of symptoms and limitations Duration of symptoms
History of pervious episodes
7. What are the 4 tests that a physical examination should include? - CORRECT ANSWER-
✔✔General observation A regional back exam Neurological screening Testing for sciatic
nerve root tension
8. Limping or coordination problems may be indicative of a specific need for? - CORRECT
ANSWER- ✔✔Neurologic testing
9. Vertebral point tenderness would be indicative of a spinal fracture or infection? T/F -
CORRECT ANSWER- ✔✔False - suggestive but not specific
10. 90% of all clinically significant lower extremity radiculopathy are due to disc herniation
involving? - CORRECT ANSWER- ✔✔L5 or S1 nerve root
, 11. Inability to walk on toes is due to? - CORRECT ANSWER- ✔✔Weak calf muscles
12. Calf muscle nerve root? - CORRECT ANSWER- ✔✔S1
13. Inability to heel walk is due to? - CORRECT ANSWER- ✔✔Ankle and toe dosiflexor
muscles
14. Ankle and toe dosiflexor muscles nerve root? - CORRECT ANSWER- ✔✔L5 and some
L4
15. Hamstring and ankle evertors nerve root? - CORRECT ANSWER- ✔✔L5 - S1
16. Toe flexor nerve root? - CORRECT ANSWER- ✔✔S1
17. To determine muscle atrophy it is best to? - CORRECT ANSWER- ✔✔Detect bilaterally
by circumferential measurements
18. Anything less than ____ in circumferential measurements is considered normal? -
CORRECT ANSWER- ✔✔2cm
19. The ankle jerk reflex is mostly what nerve root? - CORRECT ANSWER- ✔✔S1
20. The knee jerk reflex is mostly what nerve root? - CORRECT ANSWER- ✔✔L4
21. What test is performed that may be more indicative of a motor neuron abnormality rather
than low back problems? - CORRECT ANSWER- ✔✔Babinski response
22. Sensory examination of the medial foot is what nerve root? - CORRECT ANSWER-
✔✔L4