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Human Anatomy Trivia Quiz

A very hard human anatomy quiz, unless you study anatomy, good luck!

A multiple-choice quiz by chickenkev. Estimated time: 6 mins.

Author
chickenkev

Time
6 mins

Type
Multiple Choice

Quiz #
62,135

Updated
Dec 03 21

# Qns
10

Difficulty
Difficult

Avg Score
4 / 10

Plays
14134

Awards
Top 20% Quiz

Last 3 plays: Guest 64 (4/10), Guest 124 (2/10), Guest 70 (5/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which is the longest muscle in the human body? Hint

sartorius

biceps brachii

gluteus maximus

palmaris longus

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Question 2 of 10

2. From which spinal nerves does the entire sympathetic outflow arise? Hint

C1 - S5

C8 - L4

T1 - T12

T1 - L2

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Question 3 of 10

3. Which nerve does a dentist have to anaesthetise while extracting a tooth from the lower jaw? Hint

inferior alveolar nerve

zygomaticotemporal nerve

mental nerve

facial nerve

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Question 4 of 10

4. What is the order food passes along the digestive tract? Hint

descending colon, transverse colon, ascending colon, sigmoid colon, jejunum, ileum

jejunum, ileum, ascending colon, transverse colon, descending colon, sigmoid colon

jejunum, ileum, descending colon, transverse colon, ascending colon, sigmoid colon

ascending colon, transverse colon, sigmoid colon, descending colon, ileum, jejunum

NEXT>

Question 5 of 10

5. Which nerve innervates the diaphragm? Hint

phrenic nerve

diaphragmatic nerve

vagus nerve

hypogastric plaxus

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Question 6 of 10

6. Which of these structures is found in the cerebellum? Hint

inferior olivery nucleus

dentate nucleus

lateral geniculate nucleus

putamen

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Question 7 of 10

7. The so-called pelvic floor is comprised of which functional group of muscles? Hint

levator ani

lumbricals

quadriceps

scalenes

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Question 8 of 10

8. Compression of which nerve in the carpal tunnel is referred to as carpal tunnel syndrome? Hint

vagus nerve

ulnar nerve

median nerve

phrenic nerve

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Question 9 of 10

9. The major blood supply to the arm is the continuation of the axillary artery, what is it called? Hint

brachiocephalic trunk

brachial artery

carotid artery

radial artery

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Question 10 of 10

10. Which cranial nerve provides the sensory input for the gag reflex? Hint

glossopharyngeal nerve

oculomotor nerve

vagus nerve

vestibulocochlear nerve

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Apr 24 2024 : Guest 64: 4/10
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Quiz Answer Key and Fun Facts

1. Which is the longest muscle in the human body?

Answer: sartorius

Named after the tailor, who traditionally sits cross-legged, sartorius flexes the knee and the hip.

2. From which spinal nerves does the entire sympathetic outflow arise?

Answer: T1 - L2

The sympathetic outflow is only from these 14 pairs of spinal nerves, although the sympathetic chain runs the whole length of the spinal cord and distributes sympathetic activity to all parts of the body

3. Which nerve does a dentist have to anaesthetise while extracting a tooth from the lower jaw?

Answer: inferior alveolar nerve

The inferior alveolar nerve is a branch of the mandibular nerve (CN V), you can feel where it enters the jaw by putting your finger on the inside of your back tooth, then going down about 1cm to feel a little ridge.

4. What is the order food passes along the digestive tract?

Answer: jejunum, ileum, ascending colon, transverse colon, descending colon, sigmoid colon

5. Which nerve innervates the diaphragm?

Answer: phrenic nerve

The phrenic provides motor innervation to the diaphragm, and sensory innervation to the pleura, pericardium and the peritoneum.

6. Which of these structures is found in the cerebellum?

Answer: dentate nucleus

The dentate nucleus is one of three small processing nuclei in each hemisphere of the cerebellum, so called because of its jagged outline on histological sections.

7. The so-called pelvic floor is comprised of which functional group of muscles?

Answer: levator ani

8. Compression of which nerve in the carpal tunnel is referred to as carpal tunnel syndrome?

Answer: median nerve

The median nerve supplies sensation to the thumb side of the palm and fingers, and several small muscles in the hand.

9. The major blood supply to the arm is the continuation of the axillary artery, what is it called?

Answer: brachial artery

The brachiocephalic trunk supplies the head and arm, as the name implies, it gives rise to the common carotid and subclavian (on the left these arteries arise directly from the aortic arch). The subclavian is continuous with the axillary artery which is continuous with the brachial artery which supplies the arm, splitting into it's terminal branches the ulnar and radial arteries just distal to the elbow joint.

10. Which cranial nerve provides the sensory input for the gag reflex?

Answer: glossopharyngeal nerve

The glossopharyngeal nerve is sensory to the mucosa of the oropharynx, as well as the posterior third of the tongue.

Source: Author chickenkev

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