eQuizShow

Spring Final Part 2

Skeletal & Muscular Systems

Question: Which is NOT a function of the skeletal system?

a. to make new blood
b. to store nutrients
c. to protect vital organs like your heart, lungs & brain
d. to move your body
Answer: d. to move your body

Question: How do pairs of skeletal muscles work together?

a. both muscles contract at the same time
b. both muscles extend at the same time
c. one muscle in the pair pulls on a bone, while the second muscle pulls on the first muscle
d. while one muscle in the pair contracts, the other relaxes
Answer: d. while one muscle in the pair contracts, the other relaxes

Question: The skeletal and muscular systems work together to enable the body to move. What is the main function of the skeletal system in relationship to the muscular system? (7.12B)

A. to provide attachment points for muscles
B. to assist muscles in growth and development
C. to produce muscle cells inside the bone marrow
D. to produce enzymes that help muscles repair themselves

Answer: A. to provide attachment points for muscles


Question: Blood cells are produced by the (7.12B)

A. Muscular system
B. Skeletal system
C. Circulatory system
D. Respiratory system

Answer: B. Skeletal system


Question: Food moves through your digestive system. What type of muscle makes this action happen? (7.9A)

A. Voluntary muscles
B. Involuntary muscles
C. Cardiac muscles
D. Skeletal muscles

Answer: B. Involuntary muscles


Digestive System

Question: Mechanical digestion breaks down food into (7.12B, 7.6B)

A. Chemicals
B. New molecules
C. Smaller pieces
D. Enzymes

Answer: C. Smaller pieces


Question: The muscular contractions that occur in the stomach churn and mix food. This is the process of _______. (7.6B)

A. Absorption
B. Chemical digestion
C. Mechanical digestion
D. Elimination

Answer: C. Mechanical digestion


Question: Food that is converted into nutrients (smaller molecules), transported by blood and absorbed by cells (7.12B, 7.6B)

A. has undergone a chemical change
B. must be eliminated from the body
C. is called solid waste
D. will cause a person to become ill

Answer: A. has undergone a chemical change


Question: Devon has cystic fibrosis or CF. It is an inherited condition that causes his body to produce excess mucus and lower than normal levels of digestive enzymes. A person with CF often experiences the following symptoms: frequent lung infections, poor energy level, low appetite. Although all of Devon’s body systems are affected by cystic fibrosis, it is mainly a disorder of which two body systems? (7.12B E)

A. Circulatory and digestive
B. Digestive and skeletal
C. Respiratory and endocrine
D. Digestive and respiratory

Answer: D. Digestive and respiratory


Question: Which correctly illustrates an energy transformations that takes place during digestion? (7.7B)

A. Radiant to mechanical
B. Radiant to chemical
C. Chemical to thermal
D. Chemical to electrical

Answer: C. Chemical to thermal


Circulatory System

Question: Which of the following is a waste product that leaves the blood and travels through the lungs before leaving the body? (7.12B)

A. CO2
B. O2
C. H2O
D. NaCl

Answer: A. CO2


Question: The main function of the circulatory system is to ______ (7.12B)

A. support and protect delicate organs such as the brain, lungs, and heart
B. supply oxygen from the lungs to the blood
C. pump oxygen and nutrients through the blood to every part of the body
D. coordinate all actions and reactions of the body

Answer: C. pump oxygen and nutrients through the blood to every part of the body


Question: Cells of the body receive nutrients as a result of which two systems working together? (7.12B)

A. Respiratory and circulatory system
B. Digestive and circulatory system
C. Muscular and skeletal system
D. Digestive and excretory system

Answer: B. Digestive and circulatory system


Question: Why must capillaries have thin walls? (7.12B)

A. So materials can diffuse in and out of the blood
B. Because not much blood moves through the capillary at one time
C. Because capillaries are far away from the heart
D. So that blood can be made mostly of plasma

Answer: A. So materials can diffuse in and out of the blood


Question: Blood cells are shaped like round discs so that they can squeeze through tiny blood vessels. This is an example of____ (7.12B)

A. Natural selection
B. Structure determining function
C. Volume
D. Diffusion

Answer: B. Structure determining function


Respiratory System

Question: The role of the respiratory system is to bring what substance into the body? (7.12B)

A. water
B. oxygen
C. carbon dioxide
D. red blood cells

Answer: B. oxygen


Question: Which provides the best description of breathing? (7.12B)

a. a chemical process of releasing energy from glucose in the cells
b. the physical process of moving air into and out of the lungs
c. the addition of oxygen to sugar for the release of energy
d. the movement of oxygen through the blood

Answer: b. the physical process of moving air into and out of the lungs


Question: During gas exchange, which substance moves from the blood into the alveoli? (7.12B)

a. Carbon dioxide
b. Water
c. Oxygen
d. Nitrogen

Answer: c. Oxygen


Question: Where in the respiratory system does gas exchange occur? (7.12B)

A. in the heart
B. in the alveoli
C. in the pharynx
D. in the trachea

Answer: B. in the alveoli


Question: How is the circulatory system involved with the respiratory system? (7.12B)

A. It moves air into the lungs
B. It moves red blood cells to the larynx so sounds can be made
C. Oxygen and carbon dioxide diffuse in and out of the capillaries that surround alveoli
D. Blood pressure keeps the C-shaped rings in the trachea from collapsing

Answer: C. Oxygen and carbon dioxide diffuse in and out of the capillaries that surround alveoli


Excretory & Nervous Systems

Question: Which substances are normally removed by the excretory system?

A. oxygen, urea, glucose
B. salts, water, urea
C. white blood cells, proteins, carbon dioxide
D. carbon dioxide, water, oxygen

Answer: B. salts, water, urea


Question: Sweat glands respond to increases in temperature and result in sweat being secreted onto the skin’s surface. How does sweating lower body temperature? (7.13B)

A. The sweat reacts with the air to form cool moisture on the skin’s surface
B. The sweat is evaporated from the skin’s surface, which cools it down
C. Heat is transported in the sweat and expelled when sweat is secreted
D. Sweating uses up heat energy and cools down the body

Answer: B. The sweat is evaporated from the skin’s surface, which cools it down


Question: The main function of the nervous system is to______. (7.12B)

A. Support and protect delicate organs such as the brain, lungs, and heart
B. Supply oxygen from lungs to the blood
C. Pump oxygen and nutrients through the blood to every part of the body
D. Coordinate all actions and reactions of the body

Answer: D. Coordinate all actions and reactions of the body


Question: A message carried by a neuron is called a (n) (7.12B)

A. Stimulus
B. Reaction
C. Impulse
D. Response

Answer: C. Impulse


Question: When you feel thirsty, what body process is the nervous system helping to carry out? (7.12B, 7.13B)

A. Delivering oxygen to the cells
B. Maintaining homeostasis
C. Moving the body
D. Supporting the body

Answer: B. Maintaining homeostasis