Question 1 of 32
Which of the following does not utilize active transport?
A.movement of oxygen from the lungs into the blood
B.concentrating iodine ions in the thyroid gland
C.absorbing sugar in the gut
D.water homeostasis in the kidneys
E.movement of sodium and potassium in nerve cells
Question 2 of 32
Which type of junctions must there be between cells to form a barrier?
Question 3 of 32
The assisted transport of a molecule across the cell membrane without an expenditure of energy is known as what?
Question 4 of 32
During a hurricane, salt water invades fresh water marshes causing many of the plants to die. The plants are killed because the salt water solution is __________________ to the plants, drawing water from their cells.
Question 5 of 32
What is the maximum number of ATP molecules produced during aerobic respiration?
Question 6 of 32
How large is a nuclear pore in the nuclear envelope?
A.larger than a ribosome
B.larger than the Golgi apparatus
C.larger than the endoplasmic reticulum
D.smaller than a ribosome
E.smaller than a protein
Question 7 of 32
Often when a person is admitted to the hospital, an intravenous solution of normal saline is begun. Since this does not harm the patient, what is the tonicity of normal saline compared to your blood?
Question 8 of 32
Sheree observed an amoeba feeding by engulfing the prey with its false feet or pseudopods. This process is known as
Question 9 of 32
Angela would like to look at living algae from pond water. What type of equipment should she use?
A.compound light microscope
B.transmission electron microscope
C.scanning electron microscope
E.her naked eye
Question 10 of 32
If a cell lacked ribosomes, it would not be able to
Question 11 of 32
What components make up the ribosomes?
A.proteins and rRNA
B.proteins and DNA
C.lipids and rRNA
D.carbohydrates and rRNA
E.proteins and DNA
Question 12 of 32
Which type of gland can become blocked and form a "blackhead?"
Question 13 of 32
________ glands are considered ductless glands and ______ glands contain ducts.
Question 14 of 32
Which of the following is responsible for the waterproofing of skin?
Question 15 of 32
Which of the following body parts is surrounded by a mucous membrane?
C.the cavities of freely movable joints
D.tubes of the digestive system
E.the abdominal cavity
Question 16 of 32
Jacob looked up and saw the car. This information was relayed to him via what type of tissue?
Question 17 of 32
Stretch marks are the result of tears in the integumentary layer that contains fibrous connective tissue, elastin, and collagen. What is this region of the integument called?
Question 18 of 32
The best description for the two components of blood are
Question 19 of 32
The body's ability to maintain a relative constancy of its internal environment is called
Question 20 of 32
What type of tissue receives sensory input, integrates data, and conducts impulses?
Question 21 of 32
Which type of tissue covers body surfaces and lines body cavities?
Question 22 of 32
When you put your hand on a hot stove, ____ receive signals from the sensory receptors or other neurons and ______ conduct nerve impulses.
Question 23 of 32
Which of the following is a substance that dissolves in water to release hydrogen ions?
Question 24 of 32
Too much carbon dioxide in the blood can be the result of _______.
Question 25 of 32
Which of the following systems can compensate for pH changes in the body the fastest?
Question 26 of 32
Hypoventilation results in
Question 27 of 32
Acidosis is characterized by a blood pH _______.
Question 28 of 32
What is the normal range for the partial pressure of carbon dioxide in the blood?
A.55-65 mm Hg
C.35-45 mm Hg
Question 29 of 32
Which of the following is true about "rebreathing"?
Please review Lab Exercise 10, Activity 2.
Part 4 of 5 - 5.0/ 8.0 Points Answer the following question in your own words without using any resources. Your answer should be written in complete sentences using correct grammar, spelling, and terminology.
Question 30 of 32
Define the term "buffer."
Question 31 of 32
Briefly explain how the renal system regulates acid-base balance.