Leave Quiz?

Are you sure you want to leave the quiz? Your progress will be lost and you'll be redirected to the chemistry main page.

60:00
0 Left
You have 3 or more unanswered questions in a row!

Chapter 9: Support & Movement

60 Questions 60 Minutes Pass: 60%
1 The slightly lighter middle region within the A band is known as:
2 Which structure contains the blood supply and innervation in an osteon?
3 Which chemicals are necessary to sustain muscle contraction?
4 The sarcomere is the functional contractile unit found in:
5 Cardiac muscle is:
6 The repeated structural unit of myofibrils is called:
7 Which neurotransmitter triggers muscle contraction?
8 How many paired cranial bones are there?
9 Which joint permits bending/slipping movements?
10 Which bone cell secretes matrix?
11 The smoothest cartilage for tissue movement is:
12 Which bone is NOT part of the pectoral girdle?
13 The primary covering of cartilage is:
14 Which joint type matches the shoulder?
15 Bone’s role in blood cell production is due to:
16 A mature bone cell is called:
17 Total phalanges in hands and feet:
18 Joints are also called:
19 Which is NOT associated with upper limb movement?
20 Honeycomb-like bone structure is:
21 Total metacarpals + metatarsals:
22 Autoimmune arthritis is:
23 True statement about bone cells:
24 Muscle bending a joint is called:
25 Calcium’s role in contraction:
26 First step in cross-bridge cycle:
27 Tropomyosin in relaxed muscle:
28 Match: ______ filaments of ______ connected by ______
29 Skeletal muscle features:
30 Outer muscle membrane is:
31 Calcium binds to:
32 Most complex synovial joint:
33 Liver converts lactic acid to:
34 The overall muscle organ is surrounded by a membrane called:
35 Which of the following do not make cross bridges during movement?
36 Which type of muscle shows striations but is involuntary in action?
37 Observe the diagram: What is the name of the structure indicated by 2 and 4 respectively?
38 Each muscle fiber has a covering just like a cell membrane called:
39 It is the storage house for calcium ions used in muscle contraction:
40 The alternating light and dark regions in muscle fibers, known as ______, are due to the arrangement of which filaments?
41 ______ can perform voluntary movements, like neck movements?
42 ______ cells are strongly interconnected by a specialized structure called an ______ & are arranged in a branching network where cells are joined together and make a ______.
43 Observe the diagram: Identify the correct option for I, II, and III.
44 The deep invaginations of muscle fiber membranes that conduct action potentials are called:
45 Which subunit of troponin binds calcium ions?
46 ______ is a painful stiffness in a muscle due to a sudden, involuntary contraction.
47 Myofibrils run in parallel fashion and extend the entire length of the:
48 Which type of muscle cell is multinucleated?
49 When a muscle is at rest, what blocks myosin from binding to actin?
50 An actin filament consists of how many rows of actin proteins wrapped around each other?
51 ______ cells are spindle-shaped having a single nucleus.
52 Muscle fibers are gathered in groups called fascicles, surrounded by a membrane called:
53 Find the correct row:
54 Each myofibril is connected with the axon of a motor neuron at a place called:
55 Which sarcomere region contains only actin filaments?
56 What does troponin I (Tn-I) do?
57 The actin filaments are anchored at the:
58 What happens after myosin releases ADP and phosphate during the power stroke?
59 Which protein prevents continuous muscle stimulation?
60 The region between two Z lines is called: