BIO 201 Study Guide - Trapezius Muscle, Vastus Medialis, Biceps Femoris Muscle

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jadetoad929

30 Oct 2014

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Muscles review: identify the muscles that comprise the rotator cuff : _________________________________ _______________________________: identify four muscles used for forceful inspiration: _________________________________ _______________________________: identify four muscles used for forceful expiration: Circle the term that does not belong with the others and briefly state why it does not belong: biceps femoris vastus lateralis extends leg vastus medialis rectus femoris. Explanation: ___________________________________________________________: brachialis flexes forearm brachioradialis triceps brachii biceps brachii. Explanation: ___________________________________________________________: latissimus dorsi pectoralis major deltoid teres major inserts on scapula. Explanation: ___________________________________________________________: sternocleidomastoid levator scapulae splenius capitis trapezius. Explanation: ___________________________________________________________: fascia, deltoid, hamstrings, diaphragm, aponeurosis, biceps brachii, gastrocnemius, biceps femoris, adductor longus. Match each description with the proper name or term: Some terms may be used more than once and some descriptions may identify more than one term match all that apply. _____ elevates the corner of the mouth in smiling. _____ long, vertical muscle of the anterior abdomen. _____ most superficial and lateral muscle of the thigh.

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A well-studied autoimmune and neuromuscular disease affects the neuromuscular junction of afflicted individuals. It turns out that antibodies attack the ligand receptor found on the skeletal muscle cells and reduces the number of these receptors, leading to weakness in eye muscles, facial muscles and in severe cases affects respiratory muscles.

The name and location of the receptor this disease attacks.

What neurotransmitter binds the affected receptors?

In comparing the monosynaptic pathway for an individual without the disease and with the disease, if the sensory neuron in both individuals received the same stimulus (both in intensity and frequency), would the relative amount of neurotransmitter released at the neuromuscular junction differ? Why or why not (meaning explain using the physiology)? (

Would the end plate potential (EPP) differ in a person without the disease versus someone with this disease? How, explain.]

Given the scenario, what branch of the nervous system does this disease affect, central or peripheral? Somatic, parasympathetic, or sympathetic?

Propose a targeted drug treatment for an individual with this disease that would help to improve the effects of the disease. Said in a different way, what is the mechanism that is failing in this disease, and what could be changed to bring it back to ânormalâ.

sangriakangaroo204

What ways are the tissues surrounding the knee affected by the operation

Bone

Muscle

Ligaments

How does the surgeon assure that the correct âmechanical axisâ is retained (i.e., rotates in correct plane)?

What power tools are used in the operation (Name 2)?

Name 3 tools that were designed specifically for the operation and state what they are used for (e.g., cutting guide to assure a flat, level surface for the tibial component).

How and why is the patella modified in the operation?

What changes in geometry of the joint occur due to the operation that would affect the forces in the muscles in the knee?

ultramarinespider901

James S. Tiff, a 19-year old male, is immobile and hospitalizedfor pneumonia. He has a long history of progressive weakening ofhis muscles. In the first year of his life, James reached manygross motor skill milestones, such as holding his head up, rollingover, sitting, and standing, at normal times. However, he did notwalk until age 16 months, and by age two, started to assume alordotic posture while standing but not while sitting. A Gower'ssign was noted by age four, as was a Trendelenberg gait. Over thenext several years, he suffered progressive muscle weakness, mostnotably in the proximal musculature of the arms, pelvis, and legs.By age 9, he required orthotic braces to assist his walking, and byage 11, he was confined to wheelchair ambulation. In his early teenyears, James was still able to use eating utensils, write, and typeon a keyboard, though these functions have declined over the pastyear. At 16, he was hospitalized with bronchitis requiringantibiotic treatment, but recovered. Throughout the years, Jameshas had no history of muscle pain or spasm, chest pain, orirregular heartbeat. He was diagnosed with a learning disability inthe fourth grade, but has progressed through the grades withtutorial assistance. The only medications that he normally takesare calcium and fluoride supplements. James has a younger sister ingood health and a younger brother (age 10) who is confined to awheelchair with problems similar to James's. No other immediate ordistant family members have musculoskeletal difficulties.?

a) What disease does James suffer from?
b) What muscles are most severely affected by this diseaseprocess?
c) Why did James's calves enlarge? What is the conditioncalled?
d) Why is it important for James to take calcium and fluoridesupplements?

crimsoncockroach955

BIO 201 Study Guide - Trapezius Muscle, Vastus Medialis, Biceps Femoris Muscle

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