Solved by a verified expert:LAB QUIZ 4

BIO160
Intro to Human Anatomy and Physiology
Lab Quiz 4

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Question
1 of 25
What two bones make up the pectoral girdle?

Sternum and clavicle

Clavicle and humerus

Clavicle and scapula

Scapula and sternum

Humerus and scapula

Question
2 of 25
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.

Question
3 of 25
What area of the body is made up by the carpals?

Palm of the hand

Fingers

Wrist

Forearm

Shoulder

Question
4 of 25
What area of the body contains the phalanges?

Fingers

Ankle

Palm of the hand

Forearm

Wrist

Question
5 of 25
What bones make up the palm of the hand?

Radius

Phalanges

Carpals

Metacarpals

Ulna

Question
6 of 25
What area of the body contains the radius?

Shoulder

Neck

Forearm

Wrist

Palm of the hand

Question
7 of 25
What structure on the scapula holds the humerus?

Acromion process

Glenoid cavity

Styloid process

Caracoid process

Elocranon fossa

Question
8 of 25
What is the most anterior of the coxal bones?

Ilium

Sacrum

Coccyx

Ishium

Pubis

Question
9 of 25
What is the name of the cavity that holds the
femur?

Glenoid cavity

Acromion

Acetabulum

Obturator

Greater sciatic notch

Question
10 of 25
Which leg bone is most medial and articulates
with the femur at the knee joint?

Tibia

Fibula

Ulna

Radius

Calcaneus

Question
11 of 25
What is the heel bone?

Talus

Tarsal

Cuneiform

Navicular

Calcaneus

Question
12 of 25
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.

Question
13 of 25
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.

Question
14 of 25
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.

Question
15 of 25
What is the joint type between most skull bones?

Suture

Condyloid

Gliding

Saddle

Symphysis

Question
16 of 25
What is a sarcomere?

Thick myofilament

Thin myofilament

Place where calcium is stored

Actual contractile unit of a muscle fiber

Polarized muscle fiber membrane

Question
17 of 25
What gives skeletal muscle fibers a striated
appearance?

Multiple nuclei

Numerous myofibrils

Light and dark bands

Epimysium

Endomysium

Question
18 of 25
What is the name for a bundle of muscle fibers?

Tendon

Aponeuroses

Fascicle

Sarcomere

Myofilament

Question
19 of 25
The bulk of a muscle fiber is mostly packed with
which of the following?

Nuclei

Mitochondria

Fasicles

Epimysium

Myofibrils

Question
20 of 25
What is a cord of strong collagen fibers that
attach a muscle to a bone?

Tendon

Fascicle

Myofibril

Sarcolemma

Sarcomere

Question
21 of 25
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

Question
22 of 25
Which of the following muscles is named for its
shape?

Pectoralis major

Gluteus maximus

Rectus abdominis

Deltoid

Biceps brachii

Question
23 of 25
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

Question
24 of 25
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.

Question
25 of 25
Synaptic vesicles of an axon contain which of
the following?

Actin

Myosin

Sodium ions

Acetylcholine

Synaptic fluid

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