Sarcomeres - Study guides, Class notes & Summaries

What are the vessels that bring blood back to the heart? - ANSWERS: Superior and inferior vena cava what chamber of the vena cava go into? - ANSWERS: right atrium what determines heart rate? - ANSWERS: SA Node where is the SA node located? top of right atrium below where the superior vena cava comes in - ANSWERS: what structures are the end of cardiac cells joined at? - ANSWERS: Intercalated disks what is a desmosome? - ANSWERS: contained in intercalated disks - collagen fibers...

NBME 27 Questions and Answers Graded A+ defect in development of the first pharyngeal arch leads to? - hypoplasia of mandible and micrognathia leading to posterior displacement of the tongue --> airway obstruction, hypoxia, feeding difficulty, and respiratory distress **Pierre Robin Syndrome 2nd pharyngeal arch leads to development of? middle ear, hyoid bone, temporal styloid process, and muscles including facial muscles, stapedius, platysma, and stylohyoid; CN VII 3rd pharyngeal arch lead...

ISSA CORRECTIVE EXERCISE FINAL EXAM QUESTIONS AND CORRECT ANSWERS GRADED A+| LATEST UPDATE 2024. ISSA Corrective Exercise Final Tendons and ligaments are similar because they both have: A limited blood supply and low metabolism What is the name of the outer layer of connective tissue on skeletal muscle? Epimysium The functional units of skeletal muscle that allow it shorten are: Sarcomeres In terms of muscle actions at the knee joint, the quadriceps and hamstrings are: antagonists Skel...

What are the three types of joints? -ellipsoidal - ball and socket -hinge and joint What are skeletal movements controlled by? skeletal muscles What are muscles connected to bone by _____? tendons Each muscle is a large bundle of many smaller _______? muscle fibers Muscles exert force by ______ - they can only ______ a limb not ______ it. contracting - shortening of the fibers - pull not push it What are the two antagonistic muscles? flexors Extensors Flexors contraction bends the joint - ...

Interrelation of nervous, muscular, and skeletal systems to create movement correct answers Kinetic chain brain and spinal cord, coordinates activity of body parts correct answers Central nervous system all nerves branching off spinal cord, extending out to the body correct answers Peripheral nervous system sense distortion in body tissues correct answers mechanoreceptors mechanoreceptor that senses changes in tension correct answers Golgi tendon organs mechanoreceptor that senses...

A&P 1 Final Exam, Straighterline Anatomy and Physiology 1, Straighterline A&P 1 Cumulative Final 100% Pass What is the smallest level of organization in the body that contains the body's genetic information? Select one: a. chemical b. cellular c. tissue d. organism B. Cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated...

_____ is not striated - smooth muscle ______ results as calcium is pumped into the s. reticulum when an AP stops - relaxation _______ shorten during contraction as thin filaments on sides of sarcomeres pulled toward middle - H bands __________ occurs at same time as QRS complex so it typically doesnt register - atrial repolarization 2 sources of cystolic calcium that initiate smooth muscle contraction - sarcoplasmic reticulum, extracellular calcium 3 main functions of cardiovascular syst...

Kin 1A03 McMaster Final Exam Review UPDATED ACTUAL Exam Questions and CORRECT Answers excitation-contraction coupling - CORRECT ANSWER- AP from NS turns into muscle contraction -MAP propagated along sarcolemma into t-tubules -Ca+ channels in SR open and release into sarcoplasm -Ca+ binds to troponin and tropomyosin detaches -X bridge forms myofibril - CORRECT ANSWER- entire muscles length - series of sarcomeres

ISSA Corrective Exercise Final Exam Questions and Answers 1. Tendons and ligaments are similar because they both have: *correct answer*A limited blood supply and low metabolism 2. What is the name of the outer layer of connective tissue on skeletal muscle? *correct answer*Epimysium 3. The functional units of skeletal muscle that allow it shorten are: *correct answer*Sarcomeres

Generalities of Congestive Heart Failure correct answers -Common end point of many forms of heart disease -2% of population in USA; 300,000 deaths -Impaired function renders heart unable to maintain output sufficient for metabolic requirements of body or when it can only do it at elevated filling pressures -Diminished cardiac output (forward failure) or accumulation of blood in venous system (backward failure) or both Initially adaptive compensatory mechanisms for congestive heart failure ...