26 Jun Paul wishes to study the process of internal respiration in mice
Question
Question 1
Paul wishes to study the process of internal respiration in mice. Which of the following would he study?
a) Gas transfer across alveoli.
b) Gas transfer between cells and tissue fluid.
c) Gas transfer between hemoglobin and plasma.
d) Gas transfer between blood and tissue fluid.
e) Fuel breakdown within cells.
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Question 2
Carbon dioxide is considered a greenhouse gas because
a) it allows light to enter the atmosphere and heat to leave it.
b) it allows light to enter the atmosphere and prevents heat from leaving it.
c) it prevents light from entering the atmosphere.
d) it prevents heat from entering the atmosphere.
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Question 3
Organize the following in sequence of human urine transport: (1) Collecting duct, (2) bladder, (3) ureter, (4) urethra.
a) 4>3>1>2.
b) 2>3>1>4.
c) 3>1>2>4.
d) 1>3>2>4.
e) 1>3>4>2.
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Question 4
Which of the following IS NOT a function of the skeletal system?
a) to act as a storehouse for minerals such as calcium and phosphorus
b) to give rise to new red and white blood cells
c) to provide protection for internal structures
d) to contract and expand to allow movement
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Question 5
Which of the following features of a human skeleton is not true of a spider skeleton?
a) Protects internal organs.
b) Provides for muscle attachment.
c) Grows as the body grows.
d) Provides support for the body.
e) Has joints for movement.
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Question 6
The introduction of certain inorganics such as nitrogen and phosphorus into a lake:
a) causes the death of all the plant species in the lake and eventually transforms the lake into a marsh.
b) causes the death of all the plant species in the lake and causes the water to become clearer and better for recreational uses.
c) stimulates the growth of plants in the lake and eventually transforms the lake into a marsh.
d) stimulate the growth of plants in the lake and causes the water to become clearer and better for recreational uses.
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Question 7
Which reason best explains why scientists study research animals in order to understand human disease?
a) Animals have the same basic organ structure as humans
b) Animals are more susceptible to disease than humans
c) Animals are less expensive to work with than humans
d) Animals get diseases that humans to not
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Question 8
Which of the following is true about the digestive systems of some simple animals such as flatworms?
a) They have a mouth and anus
b) Food passes along in one direction
c) They have one opening used as a mouth and an anus
d) They develop two separate digestive systems that either breaks down or absorbs food
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Question 9
Sara is a heart surgeon exploring a chest cavity during an operation to identify the main arteries and veins. Which criterion best distinguishes arteries from veins?
a) Arteries carry oxygen-rich blood and veins carry oxygen-poor blood.
b) Arteries carry oxygen-poor blood and veins carry oxygen-rich blood.
c) Arteries convey blood away from the heart and veins convey blood into the heart.
d) Arteries convey blood into the heart and veins convey blood away from the heart.
e) Veins convey blood into capillary beds and arteries convey blood away from capillary beds.
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Question 10
Which of the following IS NOT a function of excretion?
a) maintain the proper concentrations of dissolved substances in the blood
b) maintain the proper concentration of water throughout the body
c) remove metabolic wastes such as CO2
d) remove digestive wastes such as fiber
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Question 11
Sequence the following in the pathway from egg production to giving birth: (1) vagina, (2) oviduct, (3) cervix, (4) ovary.
a) 1>2>3>4.
b) 3>2>4>1.
c) 2>1>4>3.
d) 4>3>2>1.
e) 4>2>3>1.
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Question 12
Greg noticed that the eye pupils of his elderly dog failed to constrict when subjected to bright light. Which brain region may be failing?
a) Cerebellum.
b) Thalamus.
c) Basal ganglia
d) Midbrain.
e) Hypothalamus.
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Question 13
Natalie saw that the blood of a fly was almost color-free. Why?
a) Flies use hemocyanin to transport oxygen.
b) The blood was oxygen-rich.
c) Flies uses hemoglobin to transport oxygen.
d) Flies do not have oxygen-carrying pigments in their hemolymph.
e) Flies lack hearts.
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Question 14
An increase in literacy and education is directly correlated with all of the following EXCEPT:
a) women having healthier babies.
b) the birth rate falling.
c) the death rate falling.
d) women having smaller families.
e) two of the above
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Question 15
Why is there no tundra in the Antarctic?
a) There is too much rainfall.
b) The temperatures are too warm.
c) There is no land at the right latitude.
d) The land is permanently frozen.
e) two of the above
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Question 16
Which of the following statements IS NOT true concerning toxic substances that pollute surface waters?
a) Most toxic pollutants degrade or break down relatively quickly.
b) Toxic substances come from a variety of industrial and natural sources.
c) Some organisms accumulate these toxic pollutants in their fatty tissues.
d) The effects on humans from drinking polluted water range from numbness and deafness to cancer.
e) both A and C are not true.
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Question 17
Which of the following IS NOT something that a population ecologist studies?
a) sequence of the DNA of specific organisms
b) the interactions between organisms and their environment
c) the theoretical basis for the distribution and growth of living things
d) mathematical models of interactions between organisms and their environment
e) “e” is definitely NOT the correct answer
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Question 18
All respiring organisms have the following feature required for gas exchange:
a) Lungs
b) A moist, thin membrane
c) Alveoli
d) A countercurrent system
e) two of the above
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Question 19
Charles ate a pizza containing 80 grams of fat @ 8 calories per gram. How many grams of fat is he allowed for the rest of the day without exceeding the recommended maximum daily energy intake from fat (35%) on a 2000 calorie/day diet?
a) 7.5
b) 35.2
c) 75
d) 120
e) 200
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Question 20
Infection with HIV:
a) is the same as saying that the person has AIDS.
b) can be cured by appropriate drug treatments.
c) is usually fatal within months.
d) can occur from mother to fetus across the placenta.
e) none of the above
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Question 21
Low air pressure in the lungs permits the following to occur:
a) Exhaustion
b) Inspiration
c) Expiration
d) Diffusion
e) two of the above
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Question 22
Yani has damaged his soleus muscle, which originates on the fibula and inserts on the calcaneus. What would be the consequence?
a) Pain upon flexing the knee.
b) Pain upon extending the foot.
c) Pain upon flexing the femur.
d) Pain upon extending the elbow.
e) Pain upon rotating the wrist.
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Question 23
When a person has type I diabetes:
a) the pancreas does not produce enough insulin.
b) the pancreas does not produce enough glucagons.
c) the pancreas overproduces insulin.
d) the pancreas overproduces glucagons.
e) none of the above
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Question 24
Janak fell from a horse and received a spinal cord injury. How would you classify this injury in terms of a division of the nervous system?
a) Peripheral.
b) Autonomic.
c) Sympathetic.
d) Parasympathetic.
e) Central.
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Question 25
Darren is a wildlife technician who is sampling specimens from a deer to determine reproductive condition. Where in the deer would he observe meiosis?
a) Bulbourethral glands.
b) Seminal vesicles.
c) Prostate gland.
d) Urethra.
e) Seminiferous tubules.
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Question 26
In the gills of a fish, the blood flows in the opposite direction to the flow of water. What is the advantage of this in terms of gas exchange in comparison to a system in which blood and water flow in the same direction?
a) Water pressure on the blood is higher.
b) Blood entering the gill encounters a high concentration gradient which rapidly diminishes during transit through the gill.
c) Blood entering the gill is oxygen-rich and therefore can maximize gas exchange with the water.
d) A concentration gradient is maintained over a larger gill area.
e) Less blood pressure is required.
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Question 27
Which of the following is an explanation of why deserts have low rainfall?
a) Equatorial air mass inflow has previously lost much water.
b) Deserts have cool nights and warm days.
c) The earth rotates in an easterly direction.
d) Water is locked in permafrost deep in the ground.
e) Deserts are impoverished of soil nutrients.
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Question 28
Which of the following statements IS NOT true concerning ocean currents?
a) Surface currents in the ocean are called gyres.
b) The circulation in the ocean moves in great spiral patterns or loops.
c) The gyres move counterclockwise in the northern hemisphere and clockwise in the southern hemisphere.
d) The surface currents move around zones of high pressure between 30 degrees north and 30 degrees south latitude.
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Question 29
High amounts of organics introduced into a pond or lake result in:
a) growth of bacteria and a reduction in oxygen levels.
b) growth of bacteria and an increase in oxygen levels.
c) the death of bacteria and a reduction in oxygen levels.
d) the death of bacteria and an increase in oxygen levels.
e) none of the above
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Question 30
The stimulation of uterine contractions by oxytocin is an example of:
a) Negative feedback
b) Positive feedback
c) Anatogonism
d) Synergism
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Question 31
Which of the following is not an example of systemic circulation?
a) Blood flow to the kidneys.
b) Blood flow to the heart muscle.
c) Blood flow to the brain.
d) Blood flow to the lungs.
e) Blood flow to the liver.
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Question 32
Which of the following would you classify as an endoskeleton?
a) The shell of a clam.
b) The shell of a crab.
c) The muscles of an earthworm.
d) The ribs of a fish.
e) The shell of an armadillo.
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Question 33
Gabrielle noticed that her dog began to salivate whenever it smelled the barbeque. What triggered salivation?
a) Secretin.
b) Cholecystokinin.
c) Chemoreception.
d) Salivary amylase.
e) Gastrin.
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Question 34
Olivia is inspecting some specimens under the microscope. Which of the following could she classify as part of an organ rather than as a tissue?
a) a single layer of flattened cells and a basement membrane.
b) Granulocytes and agranulocytes.
c) Fibroblasts and osteocytes.
d) Dendrites and nerve fibers.
e) platelets and red blood cells.
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Question 35
The role of interneurons is to:
a) receive information and transmit it to the central nervous system.
b) transmit commands away from the central nervous system to the muscles.
c) integrate incoming information with the outgoing messages within the brain.
d) protect the function of the neuron and allow it to transmit rapidly.
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Question 36
Gabriella is studying the sensory responses of hibernating bears. Which of the following would she classify as a “general” sense?
a) Reaction to a noxious odor.
b) Limb movement away from a hot probe.
c) Head movement in response to a loud noise.
d) Head movement in response to a flash of light.
e) Head movement in response to lemon juice placed on the tongue.
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Question 37
The integument of aquatic vertebrates is adapted:
a) to generate its own body heat.
b) to retard the movement of water into their bodies.
c) to reduce water loss.
d) to manufacture vitamin D in the presence of sunlight.
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Question 38
Which of the following would be considered a disorder of the endocrine gland system?
a) Inflamed pancreatic duct.
b) Swollen salivary gland.
c) Inadequate sweat secretion.
d) Failure of the stomach to produce gastrin.
e) Overproduction of earwax.
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Question 39
A sedentary person takes in food in excess of blood glucose and glycogen reserves. It is very likely that any extra glucose taken in the diet will have the following fate:
a) It is burned as useless energy
b) It is stored as fat
c) It makes the person hyperactive
d) It is passed out through the kidney
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Question 40
All of the following organisms are likely to be wiped out by a new disease or climate change EXCEPT for:
a) organisms that have been selectively bred for specific characteristics such as hardiness.
b) organisms that have been cultivated to the exclusion of all other varieties or species of the same type.
c) organisms that are already endangered.
d) organisms with high genetic diversity.
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Question 41
If a woman ovulates on day 14 of her 28 day cycle, the sperm must be present:
a) on days 1-7 in order to fertilize the egg.
b) on days 8-15 in order to fertilize the egg.
c) on days 16-21 in order to fertilize the egg.
d) on days 22-28 in order to fertilize the egg.
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Question 42
The stimulation of uterine contractions by oxytocin is an example of:
a) Negative feedback
b) Positive feedback
c) Antagonism
d) Synergism
e) two of the above
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Question 43
Why do so many people have inadequate amounts of food?
a) the earth’s population is too large to feed everyone
b) not enough of the earth can be cultivated for food
c) weather conditions do not permit enough food to be grown
d) the distribution of the available food is unequal
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Question 44
Which of the following statements IS NOT true about tropical rainforests?
a) The rainforest floor is thick and lush with vegetation.
b) The top layer of the forest is called the canopy.
c) Rainforests occur in regions of high temperature and rainfall.
d) The soil of the rainforest is very poor.
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Question 45
The purpose of vaccination is to:
a) elicit an antibody response while causing a mild form of the disease.
b) elicit an immune response without causing the disease.
c) prime the immune system to respond to any type of infection.
d) allow passive immunity while causing a mild form of the disease.
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Question 46
Jeanne has just recovered from a cold. Likely, if she encountered the same cold virus on a future occasion she could more promptly resist it because of what immune system component?
a) Macrophages.
b) Lymphokine.
c) Plasma cells.
d) Memory cells.
e) Cytotoxic T cells.
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Question 47
The vagus nerve is a cranial nerve that carries:
a) only sensory fibers.
b) only motor nerve fibers.
c) both sensory and motor nerve fibers.
d) only specialized sensory fibers from the eye.
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Question 48
A desert rodent’s loop of Henle is:
a) much longer than a human one in order to concentrate the urine.
b) much shorter than a human one in order to concentrate the urine.
c) the same as a human one.
d) absent.
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Question 49
The name of the structure within the inner ear that determines whether you are upside down or right side up is called the:
a) organ of Corti.
b) oval window.
c) tympanic canal.
d) vestibule.
e) tympanic membrane.
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Question 50
What visual disadvantage does a lizard face with one eye on each side of the head and no overlap in their fields of view?
a) Lack of bipolar cells.
b) Lack of cone cells.
c) Lack of rod cells.
d) Lack of a fovea.
e) Lack of depth perception.
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Question 51
Which of the following is a density independent environmental condition?
a. parasitism
b. predation
c. competition for a food source
d. a tornado
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Question 52
A graph of exponential population growth looks similar to the letter:
a. U
b. L
c. Z
d. J
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Question 53
When competition occurs between Paramecium aurelia and Paramecium caudatum, it is called:
a. commensalism
b. parasitism
c. intraspecific competition
d. interspecific competition
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Question 54
Based on the results of the blood pressure exercise, which of the following blood pressure readings are significantly above normal, indicating hypertension?
a. 130/84
b. 122/80
c. 150/92
d. all of the above
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Question 55
Diastolic pressure is measured:
a. when blood flow just returns to normal in the artery
b. as soon as the cuff is completely tightened
c. by lightly tapping the arm
d. none of the above
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Question 56
When measuring blood pressure, the pressure is measured in:
a. millimeters of mercury
b. grams
c. liters
d. pounds
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Question 57
In the opened mouth of the leopard frog, one can see:
a. The nostrils
b. The glottis
c. The vomerine teeth
d. All of the above
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Question 58
The skin of a frog is part of its respiratory system.
a. true
b. false
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Question 59
An oscilloscope:
a. Provides stimulus to a tested muscle
b. Adds weight (load) to a tested muscle
c. Measures a twitch response of a tested muscle
d. A and C
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Question 60
In response to a stimulus, skeletal muscle fibers:
a. Always contract to 25% of their potential ability
b. Always contract to 50% of their potential ability
c. Always contract 100% of their potential ability
d. None of the above
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