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BIOL 2443 – 120 Anatomy Exam Questions on Muscles, Reflexes & Body Movements | University of Arkansas

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This document includes 120 accurately answered exam questions for BIOL 2443 – Human Anatomy at the University of Arkansas, tailored for the 2025/2026 academic year and based on the third exam in the course sequence. The material provides an in-depth overview of muscle tissue types (smooth, cardiac, skeletal), muscle fiber structure and physiology, reflex arc pathways, motor units, muscle contraction mechanisms, and anatomical lever systems. Additionally, it covers extensive anatomical identification of axial and appendicular musculature, including the muscles of the face, neck, pharynx, abdomen, limbs, and pelvic floor, supported by labeling and function-based questions. Students will find detailed references to origin, insertion, action, and classification of muscles as well as foundational content on sarcomere organization, sliding filament theory, and differences in muscle fiber types (slow vs. fast twitch). This resource is ideal for students in pre-med, nursing, kinesiology, physical therapy, exercise science, biology, and other health-related fields who need to master musculoskeletal anatomy for written exams or practical labs. The Q&A format is especially useful for active recall, self-testing, or group review ahead of midterms or finals in anatomy coursework. Keywords: BIOL 2443, anatomy exam, skeletal muscle, muscle fiber types, sarcomere, muscle contraction, reflex arc, motor unit, origin and insertion, axial musculature, appendicular musculature, muscular system, myofibrils, lever systems, university of arkansas

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Uark Becker Anatomy Exam 3 2025/2026
Exam Questions and Answers | 100%
Pass




Smooth Muscle - 🧠 ANSWER ✔✔

,Cardiac Muscle - 🧠 ANSWER ✔✔




Skeletal Muscle - 🧠 ANSWER ✔✔


Functions of Skeletal Muscle - 🧠 ANSWER ✔✔Produces movement,

maintain posture and body, support soft tissue, regulate entering and

exiting of materials, maintain body temp.

What are the 3 layers of connective tissue of skeletal muscle? - 🧠 ANSWER

✔✔an outer epimysium, a central perimysium, and an inner endomysium


What is the epimysium? - 🧠 ANSWER ✔✔a dense layer of irregular

connective tissue surrounding the entire skeletal muscle.

, What is the perimysium? - 🧠 ANSWER ✔✔connective tissue fibers that

divide the muscle into internal compartments.


What is a fascicle? - 🧠 ANSWER ✔✔bundle of muscle fibers in the internal

compartments.


What is the endomysium? - 🧠 ANSWER ✔✔connective tissue that

surrounds each muscle fiber and binds it to its neighbor.


What are myosatellite cells? - 🧠 ANSWER ✔✔stem cells that help repair

damaged muscle tissue.


What is a tendon? - 🧠 ANSWER ✔✔attaches the muscle to bone, cartilage,

skin, or another muscle.


What is sarcolemma? - 🧠 ANSWER ✔✔The plasma membrane of a muscle

fiber (cell)


What is sarcoplasm? - 🧠 ANSWER ✔✔The cytoplasm of a muscle fiber

(cell)

During development, groups of embryonic cells are called? - 🧠 ANSWER

✔✔Myoblasts




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