A&P Third Nine Weeks Exam
which phrase correctly describes cellulose?
a polymer made of glucose
in this organic molecule, which element is identified by each X?
carbon
all carbohydrates are made of -
carbon, hydrogen, and oxygen
which statement about the periodic table of elements is true?
metals are found on the left side of the periodic table
Where does oxygen-rich blood go after leaving the lungs?
the heart
emphysema is a severe respiratory system disease. The disease causes damage that directly prevents the transfer of oxygen to the bloodstream? Which part of the respiratory system does emphysema damage?
alveoli
proteins are made of long chains of -
amino acids
the diagram of a protein molecule is shown above. The units labeled "X" which bond together to form the protein molecule are called-
amino acids
that blood vessel indicated by number5 is known as the
aorta
in the modern Period Table, the elements are arranged according to
atomic number
according to the periodic table, the neutral atom of what element has 4 protons, 5 neutrons, and 4 electrons?
beryllium
which of these transports nutrients to the cells of a squid?
blood
in which of the following ways does perspiring help the body to maintain homeostasis?
by decreasing body temoerature
which sequence represents normal blood flow between the two sides of the heart?
c->d->f->a->i
which element is found at the positions marked by the dots in the molecule?
carbon
which element is the main component of all organic molecules?
carbon
the levels of organization in the human body are arranged from least complex to most complex. Which is the lowest level?
cell
which structure is responsible for allowing materials into and out of an animal cell?
cell membrane
which of the following best represents the correct order of organizational levels?
cells, tissue, organ, system
which of the following is a lipid
cholesterol
which body function is most affected by arteriosclerosis (clogged arteries)?
circulating blood to tissues
in the human body, which of these systems transports sugars to the cells where they are used?
circulatory
capillaries are part of which body system?
circulatory system
which of the following elements is a nonmetal?
fluorine
fatty acids are one of the products that result from the action of lipase in the digestive system. What is one way that fatty acids are used in the body?
for storing energy
lipids are composed of fatty acids and-
glycerol
the ability of the human body to regulate the level of blood glucose is an example of
homeostasis
what does the heart do for the body?
it moves blood through the body
which body part belongs to the skeletal system?
jawbone
the heart chamber indicated by number 4 is the
left ventricle
A fat molecule belongs to which category of organic molecules?
lipids
one category of organic compounds contains molecules composed of long hydrogen chains. The hydrocarbon chains may be saturated or unsaturated. Which of the following categories of organic compounds contains these molecules?
lipids
which group of organic compounds contains fatty acids?
lipids
which of the following is not a carbohydrate?
lipids
which of the following elements is classified as a metal?
lithium
when the blood is pumped out of changer 2, it will circulate directly to the
lungs
glucose is a building block of carbohydrates. Which of these best describes glucose?
monosaccharide
a person who is cold shivers to generate body heat. Which of the following to maintain homeostasis in the situation?
muscular, circulatory, and nervous
RNA and DNA are which type of organic compound
nucleic acid
in the human body, fibrinogen is necessary for sealing cuts and stopping the loss of blood. Since fibrinogen is made of chains of amino acids, it is an example of which type of organic molecule?
protein
which of the following categories of organic molecules is correctly paired with one of its functions?
proteins- provide structure in skin, hair, and nails
the blood vessel that carries oxygenated blood to the left atrium is known as the
pulmonary vein
which of these is an example of homeostasis in a multicellular organism?
regulating body temperature
which diagram represents the highest level of organization within an organism?
small intestine
which of the following structures demonstrates the highest level of organization in organisms?
small intestine
using the chart, which is the best comparison to cells?
students
the major role of carbohydrates in the human diet is to?
supply energy for the body
a woman with Type AB blood marries a man with Type B blood. According to the Punnett square, their children could have each of these blood types except-
type O
The numbered drawings below show the organization within a multicellular organism from simple too complex. Which of these numbered drawings represents a tissue?
1
which numbers indicate the aorta
1 and 3
the chamber that pumps blood to all parts of the body except the lungs is represented by number
2
when the equation NH3+O2-> HNO3+H20 is completely balanced using smallest whole numbers, the coefficient of O2 would be
2
in which region of the table would nonmetals be found?
3
what is the coefficient infant of the CaSO4 when the equation is completely balanced with the smallest whole-number coefficients?
3
when the equation NH3+O2-> N2+H20 is completely balanced using the smallest whole numbers, the coefficient if O2 will be
3
when the reaction is completely balanced using the smallest whole numbers, the coefficient of H3PO4 will be
3
a chart listing the characteristics of four molecules is shown below. which molecule listed in the chart is a protein?
4
deoxygenated blood from the lower part of the body returns to the heart by way to structure
8
A blood-typing test is performed on the patient. One of the patient's parents has type O blood and the other parent has type AB blood. What are the possibilities for the patient's blood type?
A or B
The respiratory system brings oxygen into the body from the environment. Which of these body systems is directly involved in the delivery of oxygen to the major organs of the human body?
the circulatory system
which of the following statements best explains why oxygen diffuses from the alveoli into the blood?
the concentration of oxygen is greater in the alveoli than in the blood.
atherosclerosis is a condition in which substances such as fats and cholesterol are deposited on the inside walls of arteries, resulting in a decrease in the internal diameter of the arteries. This directly interferes with which of the following processes in the body?
the delivery of oxygen to body tissues
which of the following statements is supported by the data?
the greatest increase in pulse rates occurred after subjects consumed 18 oz. of coffee
the atomic number of iron is 26, and the atomic mass is 55.847. what do these numbers mean in regard to protons, electrons, and neutrons?
there are 26 protons and 26 electrons. Some atoms of iron have 29 neutrons; the .847 shows that there is more than one isotope of iron.
what do the elements sulfur, nitrogen, phosphorus, and bromine have in common?
they are nonmetals
when contracted, the left ventricle, pumps oxygenated blood to the body. What is the purpose of the aortic valve that separates the left ventricle from the aorta?
to prevent blood from flowing back into the left ventricle
which is a function of the cardiovascular system?
to transport gases throughout the body
the circulatory system is directly responsible for which of the following?
transporting nutrients to cells
backflow of blood from the ventricles to the atria is prevented by the action of
valves
in humans, the right atrium receives deoxygenated blood from the body through the
vena cava
the diagram shows blood flow in a human heart and in a frog heart. Which statement is correct?
Both hearts pump blood throughout the body, but only the human heart keeps oxygenated and deoxygenated blood separate.
which letter indicates a pulmonary artery?
F
A person with which blood type can donate to any other individual, regardless of the recipient's blood type?
Type O
human bodies have complex structures that support growth and survival. what is the most basic structure of the human body that supports growth and survival?
a cell
doctors lower a patient's body temperature during some surgical procedures. Which of these is the most likely benefit of lowering body temperature for surgery?
a decrease in blood circulation
which of the following is the best example of an organism maintaining homeostasis?
a wolf panting after a chase
which of the following levels of organization best represents the sequence from smallest to unit to largest?
Cell, tissue, organ, organ system.
which structures normally contain oxygenated blood?
B,D,G, and H
which of the following is a harmful waste material that leaves the blood and travels through the lungs before leaving the body?
CO2
Which structure completes the circulatory pathway? Heart-Artery-?-vein-heart
Capillary
what does the heart do for the body?
It moves blood throughout the body
When a cyclist rides up a steep hill, the cyclist's circulation and breathing rate increase, allowing a greater amount of oxygen to reach the cyclist's muscles. In order to generate energy from this extra oxygen, skeletal muscle must contain a greater number of a certain cell part than other tissues. Which of the following cell parts is more numerous in skeletal muscle than in orher tissues?
Mitochondira
in the balanced equation 2Na+2H20-> H2+2X, the compound represented by X is
NaOH
Which list shows different levels of organization within a population ordered from least to most complex?
Organelles, organs, organ systems, organisms.
How do the circulatory system and the respiratory system depend on one another?
Oxygen collected by the respiratory system is carried throughout the body by the circulatory system.
