Myofibrils Study guides, Study notes & Summaries

Which of the following is the largest? a. myofilament b. myofibril c. muscle cell d. fasicle correct answer: muscle cell muscle cells correct answer: Shorten to cause movement of the body. They move the skeleton, heart, and internal organs Sacrolemma correct answer: muscle cell membrane scaroplasm correct answer: cytoplasm of a muscle cell sarcoplasmic reticulum (SR) correct answer: specialized smooth endoplasmic reticulum, which stores, releases, and retrieves Ca++ wha...

CSCS Exam Practice Questions 2024, NSCA CSCS - Study Review Rated A+ Perimysium (surrounding group of fibers/fascicules) Endomysium (surrounding individual fibers) Fascia Delicate "cobwebby" tissue Motor Unit Motor Neuron and the muscle fibers it innervates Typically several hundred muscle fibers in a single motor unit Sarcolemma The plasma membrane of a cell Transverse Tubules Connect to plasma membrane to interior Action potentials travel through Ensures AP exci...

How many separate bones are in the skull? - Answer- 37-38 How many cervical vertebrae do ALL mammals have? - Answer- 7 Name the 5 regions of the spinal column - Answer- Cervical - Thoracic - Lumbar- Sacral - Coccygeal Name the thoracic limb bones (from proximal to distal) - Answer- Scapula - humerus - Radius - Ulna - Carpal bones - Metacarpal bones - Phalanges Fibrous connective tissue that attaches muscle to bone - Answer- Tendon Well defined group of cells (muscle fibers) surrou...

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 - Answer-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 blood pressure during exercise b. increase in heart rate after blood loss c. decrease in blood pressure a...

NSCA CSCS Vocabularies Review (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A Q: perimysium Answer: covers bundles of muscle fibers (fascicli) Q: endomysium Answer: surrounds each individual muscle fiber Q: sarcolemma Answer: continuous with the muscle fibers membrane and endomysium Q: motor neuron Answer: nerve cell Q: neuromuscular junction Answer: where a nerve cell innervates muscle fibers, ...

GMS 6474 Questions and Answers Rated A+ Lecture 2 Muscles can either be ____ or ____? 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? FALSE! what two factors determine the force pro...

Myocyte - ANSWER Muscle cell Sarcolemma - ANSWER Plasma membrane of myocyte Sarcoplasm - ANSWER Cytoplasm of myocyte Myofibril - ANSWER Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. Sarcoplasmic reticulum - ANSWER Site of calcium storage in a muscle cell. Surrounds the myofibrils Transverse tubules (T-tubule) - ANSWER Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a...

CSCS Exam Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% Correctwhat are the major muscles and muscle groups? Where are they located - ANSWERupper body: abdominal, pectoral, trapezius, latissimus dorsi, erector spinae, biceps, and triceps lower body: quadriceps, hamstrings...

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...

When spotting a client doing barbell squats, the trainer should be positoined where? - In front of the client. At the side of the client. Behind the client Away from the client. A soft tissue structure called a ligament connects what? - Muscle to bone Bone to bone Muscle to organ Bone to organ Which of the following is BEST recommended for an obese and sedentary client? - Lunges. Olympic lifts. Plyometric training Low intensity aerobics Which of the following would be the MOST professional way f...