1.Easy
How many cervical vertebrae does a typical adult have?
- A8
- B5
- C7
- D12
2.Easy
Which type of muscle tissue is both striated and involuntary?
- ASkeletal muscle
- BSmooth muscle
- CCardiac muscle
- DVisceral muscle
3.Easy
Which chamber of the heart pumps oxygenated blood into the aorta?
- ARight atrium
- BLeft atrium
- CRight ventricle
- DLeft ventricle
4.Medium
Which structure produces most of the cerebrospinal fluid?
- AChoroid plexus
- BPia mater
- CArachnoid granulations
- DPineal gland
5.Medium
Which carpal bone is most commonly fractured, typically after a fall on an outstretched hand?
- ALunate
- BPisiform
- CHamate
- DScaphoid
6.Medium
Which structure connects the middle ear to the nasopharynx?
- AExternal acoustic meatus
- BNasolacrimal duct
- CAuditory (Eustachian) tube
- DCochlear duct
7.Hard
Early appendicitis is often felt as vague pain around the umbilicus. Why?
- AThe phrenic nerve carries the pain to the umbilicus
- BInflammation spreads first to the abdominal wall at the navel region
- CIts visceral nerves enter the cord at T10, like the umbilical skin
- DThe appendix lies directly behind the umbilicus
8.Hard
A lesion of the left optic tract causes which visual field defect?
- ABitemporal hemianopia
- BRight homonymous hemianopia
- CBlindness in the left eye only
- DLeft homonymous hemianopia
Answer key
- 1. C · 7
- 2. C · Cardiac muscle
- 3. D · Left ventricle
- 4. A · Choroid plexus
- 5. D · Scaphoid
- 6. C · Auditory (Eustachian) tube
- 7. C · Its visceral nerves enter the cord at T10, like the umbilical skin
- 8. B · Right homonymous hemianopia
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