Human Biology Multiple Choice Quiz #1

Test out your Human Biology knowledge
Quiz by gerobach
Last updated: November 8, 2021
First submittedApril 5, 2019
Times taken3,410
Average score66.7%
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1. The Hepatocyte is a functional cell of which organ?
Hepatocytes make up 80% of the liver's mass
2. What is the longest bone found in the body?
Also known as the thigh bone.
3. Alveoli are found in which organ?
They are the little air sacs in the lungs responsible for gas exchange
4. The Patella is the anatomical name for which bone?
Shoulder blade
It begins to ossify into bone at about four years of age.
5. Which body part contains the most bones?
Leg (inc. Foot)
Arm (inc. Hand)
Chest (Thorax)
Each arm as 32 bones, each leg has 30 and the chest usually has 25.
6. Which cells are also known as Thrombocytes?
White Blood Cells
Red Blood Cells
They help in stopping you from bleeding to death.
7. If someone is Masticating, what are they doing?
Increasing the number of chews per bite increases relevant gut hormones
8. Rickets is caused by a deficiency in which vitamin?
Cases of what is believed to have been rickets have been described since the 1st century
9. Malaria is an infectious disease caused by what kind of pathogen?
Caused by the 'Plasmodium' parasite, of which there are 5 speices that can cause Malaria in Humans.
10. Insulin is an example of what?
A hormone produced in the Pancreas
11. DNA comprises of 4 bases, Adenine, Thymine, Guanine and...?
12. A Myocardial infarction is the medical term for what?
Heart attack
Brain Haemorrhage
13. Where would you find the Uvula?
Its the little thing thats hanging down at the back of your throat
14. There are three kinds of blood vessels, Arteries, Veins and....?
The smallest of all vessels.
15. On average, in a healthy human, how long do red blood cells circulate before being destroyed and recycled?
30 - 50 Days
100 - 120 Days
150 - 180 Days
RBC's live for 100-120 days before being taken out of circulation by the Spleen.
Level 32
Dec 6, 2020
Quick question-

How do the arms have more bones than the chest? You have each of the separate rib-bones, counting many more than the arms.

Please explain? Q_Q

Level 72
Dec 10, 2020
The arms also include the hand which is made up of a lot of small bones, the carpals, metacarpals, and the phalanges. In total there are 64 bones in the Arm, 27 alone in the hand. The chest only has 26 bones. Hope this answers your question.,additional%20cervical%20ribs%20in%20humans.

Level 67
Sep 10, 2021
Can you please add that the arms include the hands? I had the same logic as Kazakhstankitten and excluded hands and feet when putting in the answer. Thanks
Level 81
Sep 10, 2021
Agree with above as there are different definitions of arm (and leg). First line of the wiki arm page says "In human anatomy, the arm is the part of the upper limb between the shoulder joint and the elbow joint." Maybe you should specify, otherwise it's a case of guessing which definition you're using. Great quiz though. Had never thought about the life span of a red blood cell - interesting!
Level 72
Sep 19, 2021
In common usage, the arm extends through the hand. It can be divided into the upper arm, which extends from the shoulder to the elbow, the forearm which extends from the elbow to the hand, and the hand. Also from Wiki ;-)

I have changed the answers slightly to avoid more discussion :-).

Level 74
Sep 19, 2021
The chest has 37 bones, not 26. 12 ribs per side = 24, 12 thoracic vertebrae and a sternum. The arm has 32, a clavicle, scapula, humerus, radius and ulna (makes 5) plus 8 carpal bones, 5 metacarpals and 14 phalanges. Your answer of 64 suggests that you are including both arms but the question says "arm" singular. So the answer should be chest.
Level 72
Sep 20, 2021
The answer is arm and I have changed the wording now.
Level 63
Sep 10, 2021
Nice quiz. Thanks
Level 72
Sep 19, 2021
Level 73
Sep 10, 2021
Me: ooh I'll do this quiz!! I know some biology stuff!

the first question: The Hepatocyte

Me: aha actually never mind

Edit: I got 9/15, which is much better than I thought I'd do XD