3 Aug 2016

Anatomy Quiz / Answers # 1

1. Which is the largest internal organ of the human body?

    Ans:  Liver (It is also the heaviest organ, with an average of 1.6 kilograms).

2. Where is the location of the mitral valve?

   Ans:  It lies between the left atrium and the left ventricle of Heart.

3. What are the three parts of the small intestine?

    Ans:  Duodenum, Jejunum and ileum.

4. How many bones in wrist and name each one?

    Ans:  Eight small carpal bones, (scaphoid, lunate, triquetral, trapezium, 

trapezoid, capitate, hamate, pisiform)

5. How many pairs of cranial nerves are there in the human body?

    Ans: The twelve pairs of cranial nerves (olfactory nerve, optic nerve, oculomotor nerve, trochlear nerve, trigeminal nerve, abducens nerve, facial nerve, vestibulocochlear nerve, glossopharyngeal nerve, vagus nerve, spinal accessory nerve, and hypoglossal nerve.)

6. What are the parts of the large intestine in order?

    Ans: The cecum, colon, rectum and anal canal (Colon: Ascending colon, Transverse colon, Descending colon, Sigmoid colon)

7. Which is the largest bone in the human body?

    Ans: Femur, (Also strongest and heaviest bone)

8. How many types of muscles are there in the human body?

    Ans: Three types (skeletal, cardiac, and smooth muscles)

9. What are the organs found in the abdominal cavity?

    Ans: The stomach, liver, gallbladder, spleen, pancreas, small intestine, kidneys, the large intestine, and adrenal glands.

10.  Which is the largest organ in the human body?

       Ans: Skin (Largest external organ)

11.  Which is the smallest organ in the human body?

       Ans: Pineal gland (8 mm size)

12.  How many bones in the vertebral column?

       Ans: 26 Bones (Cervical: 7, Thoracic: 12, Lumbar: 5, Sacram: 1, Coccyx: 1)

13.  How many pairs of ribs in the human body?

       Ans: 12 Pairs of ribs (True Ribs: First 7 pairs, False Ribs: 8th to 10th pairs, Floating Ribs: 11th & 12th pairs)

14.  Which is the master gland in the human body?

       Ans: Pituitary (Master gland)

15.  Which is the longest nerve in the human body?

       Ans: Sciatic nerve (also largest nerve, From the Top of the leg to the foot)

16.  How many valves present in the heart?

       Ans: 4 Valves (The mitral valve, tricuspid valve, aortic valve and pulmonary valve)

17.  What are the different types of cells present in the blood?

      Ans: RBC, WBC and platelets

18.  What is the excretory system made up of?

       Ans: The kidneys, Ureters, Bladder, and Urethra.

19.  How many tarsal bones in the foot?

       Ans: 7 Bones (Calcaneus, Talus, Cuboid, Navicular, Medial, middle, and lateral cuneiforms)

20.  Which is the smallest bone in the human body?

       Ans: Stapes (3 mm long)

21.  Which is the largest muscle in the human body?

       Ans: The Gluteus Maximus muscle (is located at the back of the hip

22.  Where is the location of the spleen?

       Ans: Left upper quadrant of the abdomen, under the ribcage and above the stomach.

23.  How many lobes are found in human lung?

      Ans: The right lung has 3 lobes. The left lung only has 2 lobes.

24.  Which is the largest sesamoid bone in the human body?

       Ans: Patella (Present within the quadriceps tendon in Knee)

25.  What are the special senses of the human body?

       Ans: Eyes, Ears, Tongue, Skin, and Nose

26.  What are the parts of nervous system?


       Ans: The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of the nerve fibres that branch off from the spinal cord and extend to all parts of the body.

27.  What are the parts of the brain?

       Ans: The cerebrum is divided into four lobes: frontal, parietal, temporal, and occipital, the cerebellum is located under the cerebrum, the brainstem (midbrain, pons, and medulla).

28. Which is the strongest ligament in the body?

      Ans: Iliofemoral ligament (Hip Joint)

29.  What are the two bones of the forearm?

       Ans: The radius and ulna

30.  What are the major organs found in the thoracic cavity?

       Ans: Trachea, Bronchi, Lungs, Esophagus, Heart and Thymus gland

31.  Which is the largest vein in the human body?

       Ans: Inferior Vena Cava (Returns blood to the right atrium of the heart)

32.  Which is the smallest muscle in human body?

       Ans: The stapedius (1 mm length) located in the middle ear. 

33.  What are the three types of joints in the body?

       Ans: Fibrous (immovable), Cartilaginous (partially moveable) and the Synovial (freely moveable) joint.

34. What is a tendon?

       Ans: A tough band of the fibrous connective tissue that usually connects muscle to bone.

35.  What are meninges?

       Ans: The meninges are the coverings of the brain (Dura mater, Arachnoid, and Pia mater)

36.  What are the three parts of a long bone?

       Ans: The Metaphysis, Diaphysis and Epiphysis

37.  What are the ligaments of the knee?

       Ans: Anterior cruciate ligament (ACL), Posterior cruciate ligament (PCL), Medial collateral ligament (MCL), Lateral collateral ligament (LCL).

38.  What is the normal respiration rate in adults?

       Ans: 12 to 16 breaths per minute.

39.  What is the normal blood pressure of human body?

       Ans: 120/80 mm Hg

40.  What is the normal body temperature of human?

       Ans: 98.6 *F (37 *C)

41.  What is a cervical rib?

       Ans: an extra rib that forms above the normal first rib

42.  Which is called shoulder blade?

       Ans: The Scapula (a triangular, flat bone of shoulder girdle)

43.  What is an autonomic nervous system composed of?

      Ans: Sympathetic Nervous System (SNS) and Parasympathetic Nervous System (PNS)

44. What is a bursa?

      Ans: Sac filled with lubricating fluid.

45.  What are the major organs of endocrine system?

       Ans: Hypothalamus, Pituitary, Thyroid, Parathyroids, Adrenals, Pineal body, pancreas and the reproductive organs (ovaries/testes).

46.  Which structure is the natural pacemaker of the heart?

       Ans: The Sinoatrial Node

47.  Which muscle is called peripheral heart?

       Ans: The soleus (pumping venous blood back into the heart from the periphery

48.  Which muscle is responsible for respiration?

       Ans: The diaphragm (a thin, dome-shaped muscle that separates the 

abdominal cavity from the thoracic cavity).


49.  What are the accessory organs of digestion?

       Ans: The tongue, salivary glands, pancreas, liver, and gallbladder.

50.  What are the major salivary glands?

       Ans: The parotid, submandibular, and sublingual glands.