Anatomy & Physiology Exam 1

Anatomy & Physiology Exam 1- Practice Test Another word for "Arm" is: brachium A sagittal plane divides your body into _________ sections: right and left A abdomen is _______ to the gluteal region and _________ to the cervical region. Ventral, caudal Which of the following statements about synovial joints is FALSE? -They contain a space -They are lined with articular cartilage -They are freely movable -They are stronger than immovable joints -They can be tri-, bi-, or uni-axial They are stronger than immovable joints. Which joints are considered ball and socket joints? the shoulder and hip Movements of the elbow joint around a horizontal axis produces... Pronation Movement of the hip joint around a vertical axis produces..... lateral rotation Rotation of the forearm such that the palm faces UP is.... Supination What structure(s) provides primary shock absorption at the knee joint? Menisci The stronger the joint, the ________ the joint. More stable and less mobile The primary component of connective tissue is: Extracellular matrix All of the following are functions of connective tissue EXCEPT: support transport framework storage communication Communication Tendons are composed of what type of connective tissue? Dense regular The cell type in cartilage that dissolves cartilage matrix is the: chondroclast All of the following are characteristics of cartilage EXCEPT: -It is solid -It is avascular -It is surrounded by perichondrium -It can only grow by addition of layers to the periphery -It has a gel-like consistency or medium It can only grow by addition of layers to the periphery Which type of cartilage is best suited for shock-absorption? Fibrocartilage Which type of cell produces new bone? Osteoblast An osteon ________. -Is the basic unit of compact bone -Contains blood vessels -Is composed of concentric lamellae (of bone) -Contains osteocytes Concerning endochondral ossification.... It begins with a cartilage model. Which muscle type is nonstriated, contains a single nucleus and is involuntary (not under conscious control)? Smooth The nerve's action potential is distributed deep into the muscle fiver by the ______. Myofilaments Calcium is stored in which muscle cell organelle? Sarcoplasmic reticulum Which connective tissue wrapping surrounds the whole (entire) muscle? Epimysium The ______ contains the thick protein filaments. A band What is the action of the orbicularis oculi? Closes the eye The temporalis is a muscle of ________? Mastication The most superficial abdominal muscle of the group listed below is the _________? External oblique 1/2 The abdominal muscle whose fibers run vertically is the _________. Rectus abdominis Muscles of the vertebral column _______. Extend As a posterior trunk muscle, the trapezius can do all of the following, EXCEPT __________ the scapula. Depress Elevate Retract Protract Protract Which of the following best describes what the triceps brachii can do? -Flexes and extends arm (sh.) -Pronates and supinates the arm (sh.) -Flexes the arm and forearm (sh. & elb.) -Extends the arm and forearm (sh. & elb.) -Flexes and extends the forearm (elb.) Extends the arm and forearm (sh. & elb.) Anterior muscles that insert on the carpal bones ______. Flex the wrist As posterior thigh muscles, the hamstrings _______. Extend the hip and flex the knee joints Plantar foot muscles _________. Flex the toes 2/2