Anatomy Assignment 1 Study Notes
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Questions and Answers

Which of the following muscles does NOT primarily contribute to flexing the leg at the knee?

  • Semimembranosus
  • Biceps femoris
  • Rectus femoris (correct)
  • Semitendinosus

    • What is the anatomical term for the structure that directly allows a bone to increase in diameter?

  • Osteon
  • Endosteum
  • Articular cartilage
  • Periosteum (correct)

    • Which of the following is a key characteristic of the occipital bone?

  • It forms the zygomatic arch.
  • It contains condyles that articulate with C1. (correct)
  • It articulates with the radius bone.
  • It contains the foramen ovale.

    • The release of acetylcholine from a neuron's membrane directly results from which of these?

    <p>A nerve impulse reaching the axon terminal. (D)</p> Signup and view all the answers

    Which bone of the body contains the sockets for the upper teeth?

    <p>Maxilla (A)</p> Signup and view all the answers

    What is the primary effect of curare on muscle function at the neuromuscular junction?

    <p>Causes paralysis by blocking NM receptors. (A)</p> Signup and view all the answers

    Which of the following best describes the function of the diaphysis of a long bone?

    <p>It is the shaft of the long bone. (D)</p> Signup and view all the answers

    Which statement is true regarding the carpal bones?

    <p>They are the bones of the wrist. (D)</p> Signup and view all the answers

    Which muscle originates from the clavicle, upper ribs, and sternum and inserts on the anterior humerus?

    <p>Pectoralis major (A)</p> Signup and view all the answers

    What is the primary mechanism that leads to muscle relaxation?

    <p>Calcium ions are actively transported back into the sarcoplasmic reticulum. (C)</p> Signup and view all the answers

    Study Notes

    Assignment 1 Study Notes

    • Question 1: The outer lining of connective tissue surrounding the diaphysis of a long bone, containing blood vessels supplying the bone, is the periosteum.

    • Question 2: The biceps femoris, semitendinosus, and semimembranosus are the hamstring muscles, located on the posterior thigh.

    • Question 3: The scapula and humerus meet at the shoulder joint.

    • Question 4: The maxilla is a cranial bone, containing the upper teeth, and articulates with the temporal bone at the TMJ.

    • Question 5: The femur and tibia meet at the tibiofemoral joint.

    • Question 6: The occipital bone is a cranial bone, containing the foramen magnum, and articulates with the frontal bone at the coronal suture.

    • Question 7: Soft spots in a baby's skull are called fontanels.

    • Question 8: The shoulder muscle like a shoulder pad is the deltoid muscle.

    • Question 9: The rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius are part of the quadriceps femoris muscle group. They extend the knee.

    • Question 10: Acetylcholine release is triggered by a nerve impulse, and involves the release of calcium from the sarcoplasmic reticulum.

    • Question 11: The olecranon process is associated with the elbow joint.

    • Question 12: Curare, affecting the neuromuscular junction, causes paralysis.

    • Question 13: The diaphysis is the shaft of a long bone.

    • Question 14: Carpals are short bones, located in the wrist, that articulate with the radius and ulna.

    • Question 15: The large anterior chest muscle is the pectoralis major.

    • Question 16: The incorrect group is 'Bones of the lower extremities: femur, tibia, clavicle'. The clavicle is in the upper extremity.

    • Question 17: The muscle that flattens the cheek and positions food is the buccinator muscle.

    • Question 18: The occipital bone contains the foramen magnum and articulates with the frontal bone.

    • Question 19: The mandible is the lower jaw, forming the TMJ, and articulates with the temporal bone.

    • Question 20: The olecranon process is associated with the humeroulnar joint.

    • Question 21: Muscle relaxation is caused by calcium being pumped back into the sarcoplasmic reticulum, preventing further actin-myosin interaction.

    • Question 22: Intercostal muscles are located between the ribs and alter rib cage size during breathing.

    • Question 23: Rectus, transversus, internal oblique, and external oblique are abdominal muscles.

    • Question 24: The hallux and pollex (thumb) are both digits.

    • Question 25: The ulna is not in the lower limbs.

    • Question 26: Myosin is not a component of the thin filament.

    • Question 27: The flexor carpi radialis and flexor carpi ulnaris flex the hand at the wrist.

    • Question 28: Osteoblast, osteoclast, osteocyte, and osseous tissue relate to bone formation, resorption, and cells.

    • Question 29: The joints listed (tibiofemoral, hip, glenohumeral, and humeroulnar) are all freely movable.

    • Question 30: Calcium is stored in the sarcoplasmic reticulum of a relaxed skeletal muscle.

    • Question 31: Contracting the trapezius muscle would achieve the "scarecrow" pose.

    • Question 32: The humerus length is measured from the acromion to the olecranon process.

    • Question 33: Fascicles are muscle fibres bound together by connective tissue.

    • Question 34: The calcaneus is part of the foot.

    • Question 35: The incorrect group is "spinal curvatures: cervical, thoracic, lumbar, sacral” and “bones of the vertebral column: atlas, axis, coxal bone" .

    • Question 36: The hamstring muscles extend the thigh at the hip joint.

    • Question 37: The greater and lesser trochanters are on the femur.

    • Question 38: The palatine process of the maxilla forms the anterior part of the hard palate.

    • Question 39: The greater trochanter is a bony protuberance.

    • Question 40: The biceps brachii muscle flexes the forearm.

    • Question 41: The incorrect group is "Bones of the lower extremities: femur, tibia, fibula, and Bones of the vertebral column: atlas, axis, coxal bone.", as the coxal bone is part of the pelvic girdle.

    • Question 42: The incorrect group is "Muscles involved in breathing: diaphragm, intercostals, hamstrings.” Hamstrings are in the lower extremities.

    • Question 43: Ossification is the replacement of cartilage by bone.

    • Question 44: The gastrocnemius and soleus are called the "toe dancer's muscles".

    • Question 45: The humeroulnar, not the radiocarpal, describes the scapula and humerus meeting.

    • Question 46: Myoglobin stores oxygen in muscle tissue.

    • Question 47: Tendons attach muscles to bone.

    • Question 48: The orbicularis oris muscle surrounds the mouth.

    • Question 49: Recruitment increases the number of activated motor units, leading to increased muscle force.

    • Question 50: A tendon attaches muscle to bone.

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    A&P101-E Assignment 1 PDF

    Description

    This quiz covers key concepts in human anatomy, including bone structures, muscle groups, and joint articulations. Topics include the periosteum, hamstring muscles, and cranial bones among others. Perfect for students preparing for exams in anatomy and physiology.

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