The light microscope has a resolving power of
A.
0.1 mm.
B.
0.01 mm.
C.
0.0001 mm.
D.
0.000001 mm.
E.
0.00000001 mm.
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
A short chain of sugar attached to a protein molecule on the plasma membrane is called
A.
a protomembrane.
B.
a protosugar.
C.
a glycocalyx.
D.
a glycolipid.
E.
a glycoprotein.
What is the name of the semi-fluid medium inside the cell?
A.
nucleolus
B.
cytoplasm
C.
organelle
D.
cytoskeleton
E.
mitochondrion
Which organelle can be likened to a post office?
A.
nucleus
B.
nucleolus
C.
mitochondria
D.
endoplasmic reticulum
E.
Golgi apparatus
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.
A.
isotonic
B.
hypotonic
C.
mesotonic
D.
oligotonic
E.
hypertonic
________ are the fundamental units that make up all living things.
A.
Compartments
B.
Cells
C.
Chromosomes
D.
Coelom
E.
Cristae
If a cell lacked ribosomes, it would not be able to
A.
form a spindle apparatus.
B.
synthesize proteins.
C.
respire oxidatively.
D.
break down fats.
E.
produce ATP.
Which of the following protein fibers is used for cellular movement and are extremely thin in size?
A.
actin filaments
B.
intermediate filaments
C.
microtubules
D.
centrosome
E.
cilia
Centrosomes are associated with
A.
ribosomes.
B.
mitochondria.
C.
chromosomes.
D.
microtubules.
E.
lysosomes.
Requirements
In developing embryos such as a chicken, what restores the amount of surface area needed for exchange requirements?
A.
It is thought that President Abraham Lincoln suffered from a genetic disorder known as Marfan syndrome.
Which type of fiber is affected in this disorder?
A.
elastic fibers
B.
reticular fibers
C.
collagen fibers
D.
hyaline fibers
E.
ground fibers
Which of the following is not considered a basic tissue type?
A.
epithelial
B.
connective
C.
muscle
D.
nervous
E.
fat
Which type of epithelial tissue lines the air sacs and permits exchange of gasses?
A.
squamous epithelium
B.
columnar epithelium
C.
pseudostratified columnar epithelium
D.
cuboidal epithelium
E.
stratified cuboidal epithelium
Which type of tissues make up the epidermis?
A.
stratified squamous epithelium
B.
dense fibrous connective tissue
C.
adipose tissue
D.
elastic fibers
E.
loose connective tissue
What type of tissue receives sensory input, integrates data, and conducts impulses?
A.
Epithelial tissue
B.
Connective tissue
C.
Muscular tissue
D.
Nervous tissue
E.
Vascular tissue
What type of epithelial tissue is found in the urinary bladder and allows it to stretch?
A.
Pseudostratified epithelium
B.
Glandular epithelium
C.
Transitional epithelium
D.
Stratified epithelium
E.
Columnar epithelium
What characteristic can be used to differentiate bone and cartilage?
A.
whether the matrix is solid or liquid
B.
the presence or absence of cells
C.
the flexibility of the matrix
D.
the presence of fibers in the matrix
E.
whether it is fibrous or specialized connective tissue
What carries oxygen in the blood?
A.
platelets
B.
serum
C.
plasma
D.
white blood cells
E.
red blood cells
The pleurae would be found in which body system?
A.
the respiratory system
B.
the cardiovascular system
C.
the muscular system
D.
the urinary system
E.
the skeletal system
Carla is having problems with infections.
Which body system is failing?
A.
immune system
B.
integumentary system
C.
cardiovascular system
D.
urinary system
E.
musculoskeletal system
The epithelial lining of the small intestine is modified for what function?
A.
absorption
B.
secretion
C.
excretion
D.
removing debris
E.
protection
Respiratory acidosis is a result of _______.
A.
an increase in the H+ in the blood
B.
a decrease in H+ in the blood and an increase in blood pH
C.
a decrease in H+ in the blood
D.
an increase in blood pH
Respiratory alkalosis is a result of _______.
A.
too much oxygen in the blood
B.
too little carbon dioxide in the blood
C.
too little oxygen in the blood
D.
too much carbon dioxide in the blood
Respiratory acidosis can be a result of _______.
A.
a panic attack
B.
asthma
C.
hyperventilation
D.
travel to high altitudes
Which of the following systems can compensate for pH changes in the body the fastest?
A.
renal system
B.
respiratory system
C.
digestive system
D.
endocrine system
Which of the following occurred during rebreathing?
A.
pH increased
B.
carbon dioxide increased
C.
H+ concentration decreased
D.
oxygen increased
Acidosis is characterized by a blood pH _______.
A.
greater than 7.00
B.
greater than 7.45
C.
less than 7.35
D.
less than 7.45
Which of the following is true about "rebreathing"?
A.
Anxiety is respiratory problem that can mimic the effects of rebreathing.
B.
pH typically will decrease.
C.
it will cause the body to go into a state of alkalosis.
D.
PCO2 will typically decrease.
Briefly explain what happens to the pH and carbon dioxide levels in the blood during hypoventilation.
Briefly explain how the renal system regulates acid-base balance.
Attach your completed Lab Exercise 10, Activity 1: Hyperventilation lab report (PEX-10- 01_FirstnameLastname.pdf) as the answer to this question.