Module 5 Exam.docx

There are three types of muscle tissue found in the body. - correct answer true Smooth and cardiac muscle tissue are both under voluntary control. - correct answer False The musculocutaneous nerve is part of the central nervous system. - correct answer False A sensory signal is a signal that is sent from a muscle to the central nervous system. - correct answer True The cervical plexus contains nerves that innervate the thigh. - correct answer False Tendons connect which types of tissue? - correct answer Connect muscle to bone Acetylcholine is what type of substance? - correct answer Neurotransmitter During a muscle contraction which protein myofilament contains cross-bridges? - correct answer Myosin What is the name of the thick myofilament? - correct answer Myosin The return of calcium ions into the sarcoplasmic reticulum causes what to occur? - correct answer Muscle relaxation (Muscle contraction stops) Label the following five muscles: - correct answer A: Frontalis/ occipitofrontalisD: Orbicularis OrisF: Zygomaticus minorH: RisoriusI: Masseter 1. Origin 2.Insertion 3.Action 4.Innervation Psoas Major 1.____ 2.____ Obturator externus 3._____ 4._____ Semimembranosus 5(1).__ 6(2).____ 7(3)._ Flexor hallucis longus 8.(1)_ 9(3)._ 10(4)._ - correct answer 1. Transverse bodies of all lumbar vertebra 2. Lesser trochanter of the femur 3. Lateral rotation of thigh 4. Obturator nerve 5. Ischial tuberosity 6. Medial condyle of tibia 7. Knee flexion 8. Posterior fibula 9. Flexion of digit 1, inversion and plantarflexion of foot 10. Tibial nerve (deep peroneal branch) Your patient sustained an injury to their facial nerve (CN VII). Which actions would be impaired? - correct answer A&B (Orbicularis oculi & frontalis) A. Eye closure B. Raising eyebrows Your patient is in a seated position with his feet flat on the floor. He is having difficulty lifting his toes off the floor. What muscle(s) is impaired from contracting? - correct answer E. A&C Tibialis anterior & extensor digitorum longus (dorsiflexion) A. Tibialis anterior C. Extensor digitorum longus