Sarcolemma Study guides, Class notes & Summaries

What is a sarcolemma? A calcium storage unit in the muscle A contractile cell in the muscle Connective tissue putting muscle fibers into groups The cell membrane which encloses a muscle fiber - correct answer The cell membrane which encloses a muscle fiber ` You make a 1:5 dilution of a serum sample and measure the urea nitrogen. The analyzer reads that the concentration of urea nitrogen is 30 mg/dl. What is the urea nitrogen level of the patient's serum? 35 mg/dl 120...

ISSA STRENGTH AND CONDITIONING STUDY GUIDE QUESTIONS AND ANSWERS stretch-shortening cycle - ANS eccentric contraction followed immediately by concentric contraction intradiscal pressure - ANS Pressure present between vertebral discs. insulin - ANS A hormone produced by the pancreas or taken as a medication by many diabetics sinoatrial node - ANS a mass of cardiac muscle cells that lies at the junction of the superior vena cava with the right atrium and that initiates and r...

What structure runs from Z line to Z line? - Answer-Sarcomere The movement of the troponin-tropomyosin complex requires _______ - Answer-Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ - Answer-Gactin. A myofilament is the _________. - Answer-Protein strand composed of actin or myosin T tubules ________. - Answer-Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplas...

Which of the following is a recognized function of skeletal muscle? 1) A) guard body entrances and exits B) maintain posture C) maintain body temperature D) produce movement E) all of the above - Answer-E Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the A) myofibrils. B) sarcolemma. C) endomysium. D) sarcomere. E) perimysium. - Answer-E Which of the following best describes the term sarcoplasmic reticulum? A) largely made of myosin...

NSCA CSCS Practice Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A Q: Where are the contractile proteins in striated muscle located? Answer: The sarcomere Q: What does the sarcoplasmic reticulum store that is significant for muscular contraction? Answer: Calcium ions Q: What protein is significant for initiating muscular contraction? Answer: Troponin Q: What is the all or nothing principle of muscular cont...

1. To which of the following structures do the cross-bridges attach during muscle action? a. actin b. myosin c. M-bridge d. sarcolemma - correct answeractin 2. Which of the following substances regulates muscle actions? a. potassium b. calcium c. troponin d. tropomyosin - correct answercalcium 3. Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? a. acetylcholine b. ATP c. creatine phosphate d. ser...

Bio 264 Exam 3 Questions and Answers Already Passed What structure runs from Z line to Z line? Sarcomere The movement of the troponin-tropomyosin complex requires _______ Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ G- actin. A myofilament is the _________. Protein strand composed of actin or myosin T tubules ________. Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calci...

Which of the following is a recognized function of skeletal muscle? 1) A) guard body entrances and exits B) maintain posture C) maintain body temperature D) produce movement E) all of the above - ANSWER E Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the A) myofibrils. B) sarcolemma. C) endomysium. D) sarcomere. E) perimysium. - ANSWER E Which of the following best describes the term sarcoplasmic reticulum? A) larg...

1. To which of the following structures do the cross-bridges attach during muscle action? a. actin b. myosin c. M-bridge d. sarcolemma Answer actin 2. Which of the following substances regulates muscle actions? a. potassium b. calcium c. troponin d. tropomyosin Answer calcium 3. Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? a. acetylcholine b. ATP c. creatine phosphate d. serotonin Answer acet...

2024 VTNE Exam Prep Surgical Nursing Part 1 New Full Questions and Answers ( Included ) 100% Correct 1. A very young puppy presents with a history of milk coming from his noseand seems to cough and gurgle when he eats. What deformity commonly results in this presentation? Persistent right aortic arch Occluded sinus Esophageal stricture Cleft palate Stenotic nares Answer: A common presentation for cleft palate is milk coming from apuppy's (or kitten's) nose after or during eating....