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Yuseira Jimenez
Anatomy Weeks 6-12
| Question | Answer |
|---|---|
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | Serratus anterior |
| The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement | Parallel |
| The common tendon of the gastrocnemius and soleus is called the | Calcaneal tendon |
| The point attachment that does not move when the muscle contracts is the | Origin |
| Muscles that move the wrist, hand, and fingers can be | Extrinsic or Intrinsic |
| The individual muscle fibers are covered by a connective tissue membrane called the | Endomysium |
| The term ___ is used to describe a muscle that directly performs a specific movement | Agonist |
| Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance | Parallel |
| The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible | Parallel |
| A muscle with fascicles that insert into the tendon from both sides categorized | Bipennate |
| This arrangements of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement | Convergent |
| The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in | Parallel |
| The innermost muscle of the abdominal wall is the | Transverse abdominis |
| In addition to the Pectoralis major, another muscle that displays this pattern of fascicles arrangement is Latissimus dorsi | Convergent |
| An example of a muscle with this type of fascicle arrangement is the orbicularis oris | Circular |
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle | Tone |
| A muscle with fascicles that insert into only one side of the tendon is categorized as | Unipennate |
| The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the | Fascia |
| The muscle fascicle arrangement for Orbicularis oris is best characterized as | Circular |
| Muscles that move the forearm include which of the following | Brachioradialis, Pronator Teres, Biceps brachii |
| The muscle that extends and adducts the arm is the | Latissimus dorsi |
| Which of the following body systems assists the muscles in maintaining posture | Digestive, Endocrine, Excretory |
| The prime mover can also be called the | Agonist |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When is contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name | Rectus and Femoris |
| The most common type of lever in the body is a ____ class lever | Third |
| In pushing (pressing) a weight from shoulder height to above the head, which following muscles is least utilized | Biceps brachii |
| The posterior arm muscle that extends the forearm is the | Triceps brachii |
| The latissimus dorsi muscle is an example of a ____ muscle | Spiral |
| Skeletal muscles constitute approximately ___% of our body weight | 50% |
| The somatic nervous system carries information to the | Skeletal muscles |
| This site of communication between neurons | Synapse |
| The glia cells that help form the blood-brain barrier are the | Astrocytes |
| These regions of the neuron direct electrical currents toward the cell body | Dendrite |
| Bundles of myelinated fibers make up the | White matter of the nervous system |
| Which is the deepest connective tissue layer of nerve | Endoneurium |
| The white matter of the nervous system is made up of | Myelinated fibers |
| The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the | Cauda equina |
| The inner protective covering of the brain is called the | Meninges |
| The ventral rami of most spinal nerves subdivide to form complex networks called | Plexuses |
| The brain has ___ major divisions | Six |
| There are ___ventricles in the brain | Four |
| Small branches from the cervical plexus join which two cranial nerves | Hypoglossal and accessory |
| Nerve fibers of the spinothalamic tract are | Sensory |
| Melanin-containing layer of the eye’s vascular tunic | Choroid |
| The hypophyseal portal veins are primarily located in the | Infundibulum |
| Which of the following minerals is essential for the formation of thyroid hormone | Iodine |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | Perfusion pressure |
| Cardiac output is determined by | Stroke volume and heart rate |
| The four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers |
| After blood leaves the lungs and returns to the heart, it enters the | Left atrium |
| The structure referred to as to as the pacemaker of the heart is(are) the: | SA node |
| The cisterna chyli originated in the | Thoracic duct |
| The primary organ of the lymphatic system is the | Thymus |
| Interferon inhibits the spread of | Viruses and Cancer |
| The lymphatic system, like the circulatory system, is a closed circuit | False |
| The lymph nodes located just above the bend of the elbow are called the ___ lymph nodes | Supratrochlear |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as ___ immunity | Cell-mediated |
| The vibrissae function as | Filters |
| The surface of the respiratory membrane inside each alveolus is coated with a fluid containing | Surfactant |
| The ___ of each lung lies against the ribs and is rounded to match the contours of the thoracic cavity | Costal surface |
| The structure that deflects air as it passes through the nose are called | Conchae |
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