Actin filaments Study guides, Class notes & Summaries

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...

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

ex phys final exam practice questions and answers 100% pass What is a neuromuscular junction? - Correct Answer ️️ -Junction between motor neuron and muscle fiber What is a motor unit? - Correct Answer ️️ -Motor neuron and all fibers it innervates What is a motor end plate? - Correct Answer ️️ -Pocket formed around motor neuron by sarcolemma What is a neuromuscular cleft? - Correct Answer ️️ -Short gap between neuron and muscle fiber What happens when acetylcholine is rel...

NASM FINAL EXAM QUESTIONS AND CORRECT ANSWERS 2024/2025 ALREADY GRADED A+. 2 / 23 1. After leaving the left ventricle, blood enters which of the following struc-tures? Select one: a. Superior vena cava b. Aorta c. Inferior vena cava d. Pulmonary artery: Aorta 2. Which of the following joints is between the metacarpals and phalanxes? Select one: a. Condyloid b. Pivot c. Saddle d. Hinge: Condyloid 3. According to continuing education requirements, which of the following istrue? Se...

NASM FINAL EXAM Questions and Answers 2023 After leaving the left ventricle, blood enters which of the following structures? Select one: a. Superior vena cava b. Aorta c. Inferior vena cava d. Pulmonary artery Aorta Which of the following joints is between the metacarpals and phalanxes? Select one: a. Condyloid b. Pivot c. Saddle d. Hinge Condyloid According to continuing education requirements, which of the following is true? Select one: a. Accumulate 2 units...

3 Distinct Types of Muscle correct answers 1. Skeletal muscle ~ 40% BW, has striated, tubular multinucleated fibers, usually attached to skeleton, voluntary 2. Smooth muscle- narrow, atpered rod shaped cells, nonstriated, uninucleated fibers, occurs in the walls of internal organs and blood vessles, involuntary 3. Cardiac muscle (smooth + cardiac= 10% BW) - striated, tubular, branches, uninucleated fibers, occurs in the walls of the heart, involuntary Muscle is an excitable contractil...

NASM 2024 Practice Test Questions with Correct Answers A-Band - Answer-The region of the sarcomere where myosin filaments are predominantly seen with minor overlap of the actin filaments Abduction - Answer-A movement in the frontal plane away from the midline of the body Acceleration - Answer-When a muscle exerts more force than is being placed on it, the muscle will shorten. Also known as concentric contraction or force production Acidosis - Answer-The accumulation of excessive hydro...

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...

HESI A2 Anatomy and Physiology (5) Exam (Latest 2024 Update) Questions and Verified Answers| 100% correct| Grade A Q: Which of the following statements accurately describes the basics of the sliding filament model of muscle contraction? Answer: A: Myosin filaments form and break cross-bridges with actin in order to pull the actin filaments closer to the M line. Q: What is one of the characteristics of transitional epithelial tissue that differentiates it from the other t...

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 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. E Which of the following best describes the term sarcoplasmic reticulum? A) largely made of myosin m...