BIO160 Intro to Human Anatomy and Physiology Lab Quiz 4

Question 1 What two bones make up the pectoral girdle?

                Sternum and clavicle

                Clavicle and humerus

                Clavicle and scapula

                Scapula and sternum

                Humerus and scapula

Question2 Which of the following correctly describes the scapula?

                It is not directly attached to the axial skeleton but only held in place by trunk muscles.

                It contains the glenoid cavity that articulates with the sternum.

                It is classified as a long bone.

                It contains the acromion process that articulates with the humerus.

                It serves as a brace to hold the arm away from the top of the thorax.

Question3 What area of the body is made up by the carpals?

                Palm of the hand

                Fingers

                Wrist

                Forearm

                Shoulder

Question4  What area of the body contains the phalanges?

                Fingers

                Ankle

                Palm of the hand

                Forearm

                Wrist

Question5 What bones make up the palm of the hand?

                Radius

                Phalanges

                Carpals

                Metacarpals

                Ulna

Question6 What area of the body contains the radius?

                Shoulder

                Neck

                Forearm

                Wrist

                Palm of the hand

Question7 What structure on the scapula holds the humerus?

                Acromion process

                Glenoid cavity

                Styloid process

                Caracoid process

                Elocranon fossa

Question8 What is the most anterior of the coxal bones?

                Ilium

                Sacrum

                Coccyx

                Ishium

                Pubis

Question9 What is the name of the cavity that holds the femur?

                Glenoid cavity

                Acromion

                Acetabulum

                Obturator

                Greater sciatic notch

Question10 Which leg bone is most medial and articulates with the femur at the knee joint?

                Tibia

                Fibula

                Ulna

                Radius

                Calcaneus

Question11 What is the heel bone?

                Talus

                Tarsal

                Cuneiform

                Navicular

                Calcaneus

Question12 Which of the following describes the elbow joint?

                It is a synovial joint, and it is a ball and socket type.

                It is a synovial joint, and it is a condyloid type.

                It is a synovial joint, and it is a hinge type.

                It is a cartilaginous joint, and it is a condyloid type.

                It is a cartilaginous joint, and it is a hinge type.

Question13 Which of the following is a structural characteristic of synovial joints?

                They are synarthrotic and lack a capsule.

                They are synarthrotic and enclosed in a two layered articular capsule.

                They are diarthrotic and lack a capsule.

                They are diarthrotic and enclosed in a two layered articular capsule.

                They are amphiarhrotic and sometimes enclosed is a two layered articular capsule.

Question14 Which of the following describes movement of the palm of the hand from an anterior position to a superior position?

                This is called supination and involves the ulna and radius forming an X.

                This is called pronation and involves the ulna and radius forming an X.

                This is called flexion and involves the ulna and radius sliding over each other.

                This is called rotation and involves the ulna and radius sliding over each other.

                This is called circumduction and involves the ulna and radius sliding over each other.

Question15 What is the joint type between most skull bones?

                Suture

                Condyloid

                Gliding

                Saddle

                Symphysis

Question16 What is a sarcomere?

                Thick myofilament

                Thin myofilament

                Place where calcium is stored

                Actual contractile unit of a muscle fiber

                Polarized muscle fiber membrane

Question17 What gives skeletal muscle fibers a striated appearance?

                Multiple nuclei

                Numerous myofibrils

                Light and dark bands

                Epimysium

                Endomysium

Question18 What is the name for a bundle of muscle fibers?

                Tendon

                Aponeuroses

                Fascicle

                Sarcomere

                Myofilament

Question19 The bulk of a muscle fiber is mostly packed with which of the following?

                Nuclei

                Mitochondria

                Fasicles

                Epimysium

                Myofibrils

Question20 What is a cord of strong collagen fibers that attach a muscle to a bone?

                Tendon

                Fascicle

                Myofibril

                Sarcolemma

                Sarcomere

Question21 Which of the following describes the endomysium?

                Connective tissue that covers a bundle of muscle fibers

                Connective tissue that covers an individual muscle fiber

                Connective tissue that covers an individual muscle

                Connective tissue that separates muscles from each other

                Connective tissue at the motor end plate

Question22 Which of the following muscles is named for its shape?

                Pectoralis major

                Gluteus maximus

                Rectus abdominis

                Deltoid

                Biceps brachii

Question23 What are antagonists?

                muscles that oppose or reverse a movement

                muscles that help maintain posture

                muscles that aid in the action of a prime mover

                muscles that have more than one insertion site

                muscles that make the primary desired movement

Question24 What is a motor unit?

                The axon of a neuron that touches a muscle fiber.

                The sarcolemma of a muscle fiber when it is stimulated by a neuron.

                A neuron and all the muscle fibers it stimulates.

                Multiple neural axons that stimulate one muscle fiber.

                The sacs at the terminal end of the neuron axon.

Question25 Synaptic vesicles of an axon contain which of the following?

                Actin

                Myosin

                Sodium ions

                Acetylcholine

                Synaptic fluid