Free Support and Movement MCQs with Answers
738 Support and Movement MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
Last updated
Read the Support and Movement notesFree MDCAT chapter notes with key terms738 questions · page 20 of 37
- A. Sarcomere
- B. Sarcolemma
- C. Sarcoplasm
- D. Muscle Fiber
Explanation: Sarcomeres are the basic unit of muscle tissue, and are present between two z-lines in a muscle.
Correct answer: Sarcomere- A. Myosin
- B. Actin
- C. Tropomyosin
- D. Troponin
Explanation: Calcium ions which are released bond to troponin, which in turn allows the tropomyosin to give way, thus allowing the muscle to stay…
Correct answer: Troponin- A. Tetany
- B. Muscle Fatigue
- C. Cramp
- D. Tetanus
Explanation: As the muscles keep working constantly, they run out of oxygen, which leads to them respiring anaerobically, which in turn causes lactic…
Correct answer: Muscle Fatigue- A. Cervical
- B. Thoracic
- C. Lumber
- D. Sacrum
Explanation: There are 7 cervical vertebrae in the human neck.
Correct answer: Cervical- A. Elastic cartilage
- B. Chondral cartilage
- C. Fibrous Cartilage
- D. Hyaline Cartilage
Explanation: A translucent bluish-white type of cartilage present in the joints, the respiratory tract, and the immature skeleton is known as hyaline…
Correct answer: Hyaline Cartilage- A. Sarcomere
- B. Sarcolemma
- C. Zyomere
- D. Cross bridges
Explanation: A sarcomere is the basic functional unit of a muscle. It is the repeating unit within myofibrils, which are thread-like structures found…
Correct answer: Sarcomere- A. Myosin
- B. Actin
- C. Troponin
- D. Tropomyosin
Explanation: Ca2+ ions attach to troponin during muscle fiber contraction. Troponin is a regulatory protein complex found on the actin filaments in…
Correct answer: Troponin- A. In the mid of A band
- B. In I band
- C. Besides the Z line
- D. Along the I band
Explanation: The H zone appears as a lighter band bisecting the A-band at the center of a sarcomere.
Correct answer: In the mid of A band- A. Atlas
- B. Sacral
- C. Thoracic
- D. Axis
Explanation: The first vertebra of the cervical region is known as the atlas. It supports the skull and allows for nodding movements of the head.
Correct answer: Atlas- A. Tendon
- B. Ligament
- C. Clavicle
- D. Sternum
Explanation: Tendon is a tough, fibrous, cord-like tissue that connects muscle to bone or another structure, such as an eyeball.
Correct answer: Tendon- A. Back bone
- B. Skull
- C. Pelvic girdle
- D. Pectoral girdle
Explanation: A pectoral girdle, also referred to as the shoulder girdle, connects your upper limbs to the bones along the axis of your body.
Correct answer: Pectoral girdle- A. Atlas
- B. Axis
- C. Neck vertebra
- D. Floating rib
Explanation: The cervical spine (neck region) consists of seven bones (C1-C7 vertebrae), which are separated from one another by intervertebral discs.
Correct answer: Axis- A. I band
- B. A band
- C. M band
- D. Z band
Explanation: The myosin and actin filaments overlap in peripheral regions of the A band, whereas a middle region (called the H zone) contains only…
Correct answer: A band- A. Lupus
- B. Scleroderma
- C. Ankylosis spondylotis
- D. Juvenile dermatomyositis
Explanation: An autoimmune disorder in which stiffness and inflammation of vertebrae occur is called Ankylosis spondylitis.
Correct answer: Ankylosis spondylotis- A. Respiratory system
- B. Nervous system
- C. Circulatory system
- D. Bones and muscles
Explanation: Tetanus is an infection of the nervous system with the potentially deadly bacteria Clostridium tetani.
Correct answer: Nervous system- A. Cervical vertebrae -7
- B. Floating ribs in human - 3
- C. Auditory ossicles - 8
- D. Cranium bones - 4
Explanation: There are two pairs of floating ribs, The ossicles are three bones, There are eight cranial bones, The cervical spine is comprised of…
Correct answer: Cervical vertebrae -7- A. Released from sarcoplasmic reticulum into Sarcoplasm
- B. Forced back from the sarcoplasm to sarcoplasmic reticulum
- C. Further Forced from sarcoplasmic reticulum into sarcoplasm
- D. Neither released more nor forced back but remain constant
Explanation: When muscles relax, the calcium ions are forced / pumped back from the sarcoplasm into the sarcoplasmic reticulum so that the globular…
Correct answer: Forced back from the sarcoplasm to sarcoplasmic reticulum- A. Frontal, occipital, ethmoid and sphenoid
- B. Frontal, ethmoid, sphenoid and zygomatic
- C. Ethmoid, sphenoid, zygomatic and frontal
- D. Temporal, sphenoid, frontal and ethmoid
Explanation: Skull consists of 8 bones. Unpaired Bones Paired Bones Frontal Parietal Occipital Temporal Sphenoid Ethmoid
Correct answer: Frontal, occipital, ethmoid and sphenoid- A. Maxilla
- B. Frontal bone
- C. Mandible
- D. Zygomatic
Explanation: Mandible is the only movable portion of the skull
Correct answer: Mandible- A. Bone
- B. Joints
- C. Muscle fiber
- D. Heart
Explanation: The sarcolemma is the plasma membrane of the muscle cell and is surrounded by basement membrane and endomysial connective tissue.
Correct answer: Muscle fiber