Tag: skeletal system and muscles

Questions Related to skeletal system and muscles

Anxiety and eating spicy food together in an otherwise normal human may lead to

  1. Indigestion

  2. Jaundice

  3. Diarrhea

  4. Vomiting


Correct Option: A
Explanation:
When the food is not properly digested leading to a feeling of fullness, that condition, is indigestion. The causes of 
indigestion are inadequate enzyme secretion, anxiety, food poisoning, over eating and spicy food.

Lumbar vertebrae are found in:

  1. neck region

  2. abdominal region

  3. hip region

  4. thorax


Correct Option: A
Explanation:

Lumbar vertebrae are found in the 'abdominal region'.

So the correct answer is 'Neck region'.

The fore arm has two bones.

  1. True

  2. False


Correct Option: A
Explanation:
The forearm is the region of the upper limb between the elbow and the wrist. The forearm contains two long bones, the radius and the ulna, forming the radioulnar joint. The ulna is the longer and larger of the two bones, residing on the medial side of the forearm. Compared to the ulna, the radius is slightly shorter, thinner, and extends from the lateral side of the elbow. 
So, the answer is true.

The finger bones do not have joints.

  1. True

  2. False


Correct Option: B
Explanation:
The hand and wrist are made up of many different bones, muscles and ligaments that enable a wide range of movements. Rather than a single joint, each of the fingers has three joints: Metacarpophalangeal joint (MCP)- joint at the base of the finger, Proximal interphalangeal joint (PIP)- joint in the middle of the finger and Distal interphalangeal joint (DIP)- joint closest to the fingertip. Each thumb has two joints.
So, the answer is false.

Read the following statements and find out the incorrect statement.
A. About $45-50\%$ of the body weight of a human adult is contributed by muscles.
B. Muscles have special properties like excitability, contractility, extensibility and elasticity.
C. Based on their location, three types of muscles are identified: skeletal, smooth and cardiac.
D. Based on appearance, cardiac muscles are striated. They are involuntary in nature as the nervous system does not control their activity directly.

  1. B & C

  2. A & C

  3. Only A

  4. A & D


Correct Option: A
Explanation:
  1. A major bulk of body weight; 45−50% is contributed by muscles.
    2. All muscle cells share four primary properties that distinguish them from other cells : excitability, contractility, extensibility and elasticity.
    3. Based on their location, three types of muscles are identified: skeletal, smooth and cardiac.
    4. Cardiac muscles are striated in appearance and myogenic in nature.
    So, none of the given options are incorrect.

The longest bone in our body is

  1. Thigh bone

  2. Fore arm bone

  3. Sternum

  4. Girdle bone


Correct Option: A
Explanation:

Femur or thighbone is the longest bone in the body. The head of the femur fits into the hip socket and the bottom end connects to your knee. The two bones beneath the knee that make up your shin are tibia and fibula. The upper and lower leg are connected by a hinge joint.

So, the correct answer is 'Thigh bone'.

The only movable part of the skull is

  1. Upper jaw

  2. Lower jaw

  3. Both A & B

  4. None of the above


Correct Option: B
Explanation:
  • The mandible or lower jaw, is the only movable part of the skull, forming the temporomandibular joint with the temporal bone.
  • The mandible is the largest, strongest and lowest bone in the human face. It forms the lower jaw and holds the lower teeth in place.
  • So, the correct answer is 'Lower jaw'.

Which of the bone structures protect the lungs in our body?

  1. Rib cage

  2. Skull

  3. Vertebral column

  4. All of the above


Correct Option: A
Explanation:

All human beings respire air through the process of inhalation and exhalation. That is inhaled passes through the entire respiratory tract and reaches the lungs. Lungs are respiratory organs located in the thoracic cavity of our body.  The partial pressure of the air inside the lungs guides the process of inhalation and exhalation. They are surrounded by ribs. Ribs are bones that together form the rib cage in our thorax. The rib cage protects the lungs.

So, option A "Rib cage" is the correct answer.

Vertebral column is made up of

  1. Bones

  2. Tissue of muscles

  3. Neurons

  4. Chlorophyll


Correct Option: A
Explanation:

The backbone or vertebral column or spine is a part of the axial skeleton. The backbone is made up of the bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The backbone encloses the spinal cord and the fluid surrounding the spinal cord.

The most appropriate answer is that the vertebral column is made up of bones.

The enclosed body part below the stomach is occupied by

  1. Ribcage

  2. Pelvic bones

  3. Shoulder bones

  4. All of the above


Correct Option: B
Explanation:
  • The stomach is a muscular organ located on the left side of the upper abdomen.
  • The bones of the pelvis or pelvic bones are the hip bones, sacrum, and coccyx. Each hip bone contains three bones— the ilium, ischium, and pubis.
  • The pelvis  It's located between the abdomen and the legs. This area provides support for the intestines and also contains the bladder and reproductive organs.
  • Hence The enclosed body part below the stomach is occupied by the pelvis.
  • So, the correct answer is 'Pelvis'.