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Human Body Basics Part IX Trivia Quiz

The ninth installment of the quiz on the structure and function of the human body.

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

Author
jstagamtome

Time
6 mins

Type
Multiple Choice

Quiz #
311,424

Updated
Dec 03 21

# Qns
10

Difficulty
Difficult

Avg Score
4 / 10

Plays
1958

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What are the semicircular canals? Hint

structures in the nasopharynx involved in removing impurities from the air

inner ear structures concerned with balance and proprioception (sense of position)

channels in the kidneys which remove waste products from the blood

training site for Venetian gondoliers

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Question 2 of 10

2. Which of the following are not true of Kupffer cells? Hint

they break down red blood cells

they are star shaped or pyramidal

they are located in the spleen

they are responsible for alcohol induced liver injury

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Question 3 of 10

3. Where is the hardest bone in the body located? Hint

patella (kneecap)

eye socket

inner ear

femur

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Question 4 of 10

4. What are the Haversian canals? Hint

Channels in the spleen which allows close contact between the blood and immune cells lining the canals

Channels in bone around which compact bone forms to endow strength to support body weight

branching canals in the kidney which assist in the filtration of urine

canals in the skull which allow the circulation of cerebrospinal fluid

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Question 5 of 10

5. The opposite side of the brain is involved in all but which of the following? Hint

arm and leg sensation

sight

hearing

arm and leg movement

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Question 6 of 10

6. Which of the following organs is most important in maintaining the body's ability to produce blood clots? Hint

kidneys

pancreas

lungs

liver

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Question 7 of 10

7. The male nipple has no known function.

True

False

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Question 8 of 10

8. Which of the following makes a mature red blood cell different from most other body cells? Hint

it has no cell membrane

it has no nucleus

it contains no protein

it contains iron

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Question 9 of 10

9. Which organ produces bile? Hint

gallbladder

stomach

pancreas

liver

10. Vitamins are classified as water soluble or fat soluble. Fat soluble vitamins can be stored by the body until they are needed but water soluble vitamins must be utilized immediately or they are passed out in the urine. Which water soluble vitamin is the only exception to this rule and can be stored by the body for years? Hint

vitamin B6

vitamin C

folic acid

vitamin B12

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Quiz Answer Key and Fun Facts

1. What are the semicircular canals?

Answer: inner ear structures concerned with balance and proprioception (sense of position)

Fluid shifts in these canals with changes in position and move little hairs in the structure, similar to ocean currents causing sea anemones to drift. The movement of the hairs sends nerve impules signaling a change in orientation or position.

2. Which of the following are not true of Kupffer cells?

Answer: they are located in the spleen

Located in the hepatic (liver) sinusoids, these cells are part of the body's immune system.

3. Where is the hardest bone in the body located?

Answer: inner ear

Since the ear is very sensitive to pressure changes, it makes sense that these bones would be among the most dense.

4. What are the Haversian canals?

Answer: Channels in bone around which compact bone forms to endow strength to support body weight

The characteristic structure of these microscopic canals imparts enormous strength on the structure of bone.

5. The opposite side of the brain is involved in all but which of the following?

Answer: hearing

The central motor neurons for hearing are located on the same side of the brain, in the temporal lobe overlying the ear beneath the skull. This is why lesions in the temporal lobe can result in auditory hallucinations.

6. Which of the following organs is most important in maintaining the body's ability to produce blood clots?

Answer: liver

The liver produces all of the 12 clotting factors except one (factor 8) which is produced by the cells lining the inside of blood vessels (endothelium).

7. The male nipple has no known function.

Answer: True

Male and female development is identical until week 7 when the sex hormones begin to affect the development. Nipples have already formed in both sexes by then.

8. Which of the following makes a mature red blood cell different from most other body cells?

Answer: it has no nucleus

The nucleus of a red blood cell is extruded from the cell while it is developing in the bone marrow, so the red cell is analagous to a balloon partially filled with water, as it is nothing more than a cell membrane containing hemoglobin in solution.

9. Which organ produces bile?

Answer: liver

The gallbladder is simply a storage organ for bile which contracts in response to a fatty meal, since bile emulsifies fats, making them easier to break down. That is why gallbladder attacks are nore severe after a fatty meal as the gallbladder contracts down on stones within it.

Answer: vitamin B12

Intrinsic factor, produced by the stomach, is necessary for the absorption of vitamin B12. Persons with pernicious anemia are unable to absorb the vitamin because they lose the ability to absorb it. Since the B12 stores usually last 5 years, the deficiency manifests itself 5 years after the disease starts.

Source: Author jstagamtome

This quiz was reviewed by FunTrivia editor crisw before going online.
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