CLST 101 ACTUAL EXAM COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS 2025(GRADED A+) DETAILED ANSWERS!!
Neurology & Nervous System Q&A
1. The combining form "alges/o" refers to:
1. Inflammation
2. Pain ✅
3. Weakness
4. Sensation
Rationale: "Alges/o" means pain, commonly seen in terms like analgesia. "Esthesi/o" refers to sensation,
"asthenia" to weakness, and "-itis" to inflammation.
2. The combining form "cephal/o" means:
1. Brain
2. Spine
3. Head ✅
4. Nerve
Rationale: "Cephal/o" means head. "Cerebr/o" refers to cerebrum, "spin/o" to spine, and "neur/o" to
nerve.
3. The combining form "cerebr/o" refers to:
1. Skull
2. Cerebrum ✅
3. Spine
4. Lobe
Rationale: "Cerebr/o" = cerebrum (largest part of brain responsible for thought, memory, and voluntary
actions).
,ESTUDYR
4. The combining form "encephal/o" refers to:
1. Nerve
2. Skull
3. Brain ✅
4. Spine
Rationale: "Encephal/o" means brain, used in words like encephalitis (brain inflammation).
5. The combining form "esthesi/o" means:
1. Sleep
2. Sensation ✅
3. Pain
4. Movement
Rationale: "Esthesi/o" refers to sensation. Example: anesthesia (without sensation).
6. The combining form "hypn/o" means:
1. Nerve
2. Pain
3. Sleep ✅
4. Weakness
Rationale: "Hypn/o" = sleep. Narcolepsy and hypnosis terms are related.
7. The combining form "lob/o" refers to:
1. Brain
2. Lobe ✅
,ESTUDYR
3. Head
4. Spine
Rationale: "Lob/o" refers to lobe (subdivision of brain, lung, or liver).
8. The combining form "lumb/o" means:
1. Neck
2. Lower back ✅
3. Thorax
4. Hip
Rationale: "Lumb/o" = lumbar region of the spine (low back).
9. The combining form "mening/o" refers to:
1. Nerve root
2. Meninges ✅
3. Brain
4. Spinal cord
Rationale: "Mening/o" = meninges (protective membranes around brain and spinal cord).
10. The combining form "myel/o" can mean:
1. Skull
2. Spinal cord / bone marrow ✅
3. Brain lobe
4. Nerve root
Rationale: "Myel/o" = spinal cord or bone marrow, depending on the context. Example: myelitis (spinal
cord inflammation).
, ESTUDYR
11. The combining form "neur/o" means:
1. Brain
2. Skull
3. Nerve ✅
4. Spine
Rationale: "Neur/o" = nerve. Example: neuropathy (nerve disease).
12. The combining form "papill/o" refers to:
1. Lobe
2. Brain
3. Papilla ✅
4. Spine
Rationale: "Papill/o" = papilla (small nipple-like projection, like optic disc).
13. The combining form "radicul/o" means:
1. Spine
2. Nerve root ✅
3. Cerebellum
4. Brain lobe
Rationale: "Radicul/o" refers to nerve root (origin of a nerve).
14. The combining form "scler/o" means:
1. Hardening
2. Hardening ✅
3. Sensation