Download the App!

Get 24/7 study help with the Numerade app for iOS and Android! Enter your email for an invite.

Sent to:
Search glass icon
  • Login
  • Textbooks
  • Ask our Educators
  • Study Tools
    Study Groups Bootcamps Quizzes AI Tutor iOS Student App Android Student App StudyParty
  • For Educators
    Become an educator Educator app for iPad Our educators
  • For Schools

  • Home
  • Textbooks
  • Biology
  • Locomotion and Support Systems

Biology

Sylvia S. Mader, Michael Windelspecht

Chapter 39

Locomotion and Support Systems - all with Video Answers

Educators


Chapter Questions

01:51

Problem 1

The coelom of an earthworm, the muscular foot of a clam, and the trunk of an elephant can all be considered what type of skeleton?
a. exoskeleton
b. hydrostatic
c. jointed
d. longitudinal

Rikhil Makwana
Rikhil Makwana
Numerade Educator
00:57

Problem 2

Which type of animal has an exoskeleton?
a. arthropod
b. cnidarian
c. earthworm
d. primate

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:23

Problem 3

Which of the following characteristics is not an advantage of a jointed vertebrate endoskeleton?
a. allows flexible movement
b. grows with the animal
c. guards against dessication
d. protects vital internal organs

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:51

Problem 4

The human skeletal system does not
a. produce blood cells.
b. store minerals.
c. help produce movement.
d. store fat.
e. produce body heat

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:20

Problem 5

Spongy bone
a. is a storage area for fat.
b. contains red bone marrow, where blood cells are formed.
c. lends strength to bones.
d. Both b and c are correct

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:22

Problem 6

Which of the following is not a bone of the appendicular skeleton?
a. the scapula
b. a rib
c. a metatarsal bone
d. the patella
e. the ulna

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:26

Problem 7

The vertebrae that articulate with the ribs are the
a. lumbar vertebrae.
b. sacral vertebrae.
c. thoracic vertebrae.
d. cervical vertebrae.
e. coccyx.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:00

Problem 8

ulna
match each bone to the location in the key
a. upper arm
b. forearm
c. pectoral girdle
d. pelvic girdle
e. thigh
f. lower leg

Rikhil Makwana
Rikhil Makwana
Numerade Educator
00:56

Problem 9

tibia
match each bone to the location in the key
a. upper arm
b. forearm
c. pectoral girdle
d. pelvic girdle
e. thigh
f. lower leg

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:15

Problem 10

clavicle
match each bone to the location in the key
a. upper arm
b. forearm
c. pectoral girdle
d. pelvic girdle
e. thigh
f. lower leg

Rikhil Makwana
Rikhil Makwana
Numerade Educator
00:49

Problem 11

femur
match each bone to the location in the key
a. upper arm
b. forearm
c. pectoral girdle
d. pelvic girdle
e. thigh
f. lower leg

Rikhil Makwana
Rikhil Makwana
Numerade Educator
02:00

Problem 12

In a muscle fiber,
a. the sarcolemma is connective tissue holding the myofibrils together.
b. the sarcoplasmic reticulum stores calcium.
c. both myosin and actin filaments have cross-bridges.
d. there is a T system but no endoplasmic reticulum.
e. All of these are correct.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
02:17

Problem 13

According to the sliding filament model, when muscles contract,
a. sarcomeres shorten.
b. myosin heads break down ATP.
c. actin slides past myosin.
d. the H zone disappears.
e. All of these are correct.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
02:29

Problem 14

Nervous stimulation of muscles
a. occurs at a neuromuscular junction.
b. involves the release of ACh.
c. results in impulses that travel down the T system.
d. causes calcium to be released from the sarcoplasmic reticulum.
e. All of these are correct

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:06

Problem 15

Acetylcholine
a. is active at somatic synapses but not at neuromuscular junctions.
b. binds to receptors in the sarcolemma.
c. precedes the buildup of ATP in mitochondria.
d. is stored in the sarcoplasmic reticulum.
e. Both b and d are correct.

Rikhil Makwana
Rikhil Makwana
Numerade Educator
01:10

Problem 16

Label this diagram of a muscle fiber, using these terms: myofibril, Z line, T tubule, sarcomere, sarcolemma, sarcoplasmic reticulum.

Rikhil Makwana
Rikhil Makwana
Numerade Educator

Get 24/7 study help with our app

 

Available on iOS and Android

About
  • Our Story
  • Careers
  • Our Educators
  • Numerade Blog
Browse
  • Bootcamps
  • Books
  • Notes & Exams NEW
  • Topics
  • Test Prep
  • Ask Directory
  • Online Tutors
  • Tutors Near Me
Support
  • Help
  • Privacy Policy
  • Terms of Service
Get started