Question 1

Four of the five answers listed below are molecules that directly participate in muscle contraction within a muscle fiber. Select the exception.

Accepted Answer

A) acetylcholine 
B) ATP 
C) calcium 
D) actin 
E) myosin 
A) acetylcholine 
B) ATP 
C) calcium 
D) actin 
E) myosin

Question 2

Calcium release from bones is triggered by _____.

Accepted Answer

A) estrogen 
B) progesterone 
C) testosterone 
D) parathyroid hormone 
E) growth hormone 
A) estrogen 
B) progesterone 
C) testosterone 
D) parathyroid hormone 
E) growth hormone

Question 3

The main energy for prolonged muscle work comes from ____.

Accepted Answer

A) stored ATP 
B) stored creatine phosphate 
C) fermentation of carbohydrates 
D) aerobic respiration of carbohydrates and fats 
E) stored ADP 
A) stored ATP 
B) stored creatine phosphate 
C) fermentation of carbohydrates 
D) aerobic respiration of carbohydrates and fats 
E) stored ADP

Question 4

Match the following bone/joint terms with the proper description.
-bone is built and broken down throughout life

Accepted Answer

A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis 
A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis

Question 5

​Fast and ____ muscle fibers contract rapidly but do not produce sustained contractions, whereas slow and ____ muscle fibers contract slowly but can produce energy for long periods of time via aerobic respiration.

Accepted Answer

A) ​white; red 
B) ​red; white 
C) ​striated; unstriated 
D) voluntary; involuntary 
E) ​unstriated; striated​ 
A) ​white; red 
B) ​red; white 
C) ​striated; unstriated 
D) voluntary; involuntary 
E) ​unstriated; striated​

Question 6

The bone in the upper arm is the ____.

Accepted Answer

A) radius 
B) ulna 
C) tibia 
D) humerus 
E) femur 
A) radius 
B) ulna 
C) tibia 
D) humerus 
E) femur

Question 7

The ability to control defecation is possible because the anal sphincter is made of ____.

Accepted Answer

A) skeletal muscle 
B) elastic connective tissue 
C) fibrous connective tissue 
D) tendon 
E) cardiac muscle 
A) skeletal muscle 
B) elastic connective tissue 
C) fibrous connective tissue 
D) tendon 
E) cardiac muscle

Question 8

What is the specific site of blood cell formation?

Accepted Answer

A) heart 
B) blood vessel walls 
C) red bone marrow 
D) compact bone 
E) yellow bone marrow 
A) heart 
B) blood vessel walls 
C) red bone marrow 
D) compact bone 
E) yellow bone marrow

Question 9

Match the following bone/joint terms with the proper description.
-chronic inflammation of a joint

Accepted Answer

A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis 
A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis

Question 10

Match the following bone/joint terms with the proper description.
-autoimmune disorder where the body attacks the synovial joints

Accepted Answer

A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis 
A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis

Question 11

The ability to extend a leg originates from ____.

Accepted Answer

A) contraction of ligaments 
B) contraction of tendons 
C) contraction of a muscle 
D) lengthening of a muscle 
E) relaxation of a synovial joint 
A) contraction of ligaments 
B) contraction of tendons 
C) contraction of a muscle 
D) lengthening of a muscle 
E) relaxation of a synovial joint

Question 12

The arrival of an action potential causes the release of ____ by the ____.

Accepted Answer

A) calcium; myofibrils 
B) calcium; sarcoplasmic reticulum 
C) sodium; myofibrils 
D) sodium; sarcoplasmic reticulum 
E) actin; myosin heads 
A) calcium; myofibrils 
B) calcium; sarcoplasmic reticulum 
C) sodium; myofibrils 
D) sodium; sarcoplasmic reticulum 
E) actin; myosin heads

Exam 32: Structural Support and Movement

Four of the five answers listed below are molecules that directly participate in muscle contraction within a muscle fiber. Select the exception.

Calcium release from bones is triggered by _____.

The main energy for prolonged muscle work comes from ____.

Match the following bone/joint terms with the proper description. -bone is built and broken down throughout life

​Fast and ____ muscle fibers contract rapidly but do not produce sustained contractions, whereas slow and ____ muscle fibers contract slowly but can produce energy for long periods of time via aerobic respiration.

The bone in the upper arm is the ____.

The ability to control defecation is possible because the anal sphincter is made of ____.

What is the specific site of blood cell formation?

Match the following bone/joint terms with the proper description. -chronic inflammation of a joint

Match the following bone/joint terms with the proper description. -autoimmune disorder where the body attacks the synovial joints

The ability to extend a leg originates from ____.

The arrival of an action potential causes the release of ____ by the ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

Fast and muscle fibers contract rapidly but do not produce sustained contractions, whereas slow and muscle fibers contract slowly but can produce energy for long periods of time via aerobic respiration.

The arrival of an action potential causes the release of by the .