Physiology 001 - Introduction to Human Physiology » Winter 2021 » Lab Exam 2
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Physiology 001 - Introduction to Human Physiology ] course for $25 USD.
Existing Quiz Clients Login here
Question #1
The amount of air remaining in the lungs after forceful and complete expiration is ________
A.
vital capacity
B.
inspiratory reserve volume
C.
residual volume
D.
tidal volume
Question #2
Tidal volume + inspiratory reserve volume + expiratory reserve volume + residual volume is equal to ____________
A.
expiratory reserve volume
B.
forced vital capacity
C.
vital capacity
D.
Total lung capacity
Question #3
What is the pathophysiology of emphysema?
A.
mucus build up in trachea
B.
constriction of trachea
C.
loss of elastic recoil in lungs
D.
constriction of bronchioles
Question #4
Surfactant is produced by _________
A.
bronchial cells
B.
type 1 alveolar cells
C.
alveolar macrophages
D.
type 2 alveolar cells
Question #5
How does tidal volume change during exercise?
A.
decreases
B.
stays the same
C.
increases
Question #6
What machine is used to measure respiratory volumes of a patient?
A.
spirometry
B.
electrocardiogram
C.
swan ganz catheter
D.
sphygmomanometer
Question #7
The volume of air that enters/exits lungs during quiet breathing
A.
max inspiratory volume
B.
tidal volume
C.
dead anatomical space
D.
total lung capacity
Question #8
What is a muscle of inspiration?
A.
rectus abdominis
B.
pectoralis major
C.
external intercostals
D.
internal intercostals
Question #9
What is the important function of surfactant?
A.
increases bronchial contstriction
B.
increases the synthesis of water in the alveoli
C.
increases surface tension in alveoli
D.
reduces surface tension in the alveoli to facilitate inflation of alveloi
Question #10
In our salivary amylase (enzyme) lab we used controls to confirm the validity of our experiment. When all the required substances are included in an experiment, a positive control should give us a
A.
positive result
B.
negative result
C.
Question #11
Lugol’s iodine (IKI) reagent is used to determine the presence of which of the following?
A.
protein
B.
starch
C.
lipids
D.
potassium permanganate
E.
DNA
Question #12
Lugol's iodine (IKI) test will turn what color in the presence of starch ?
A.
red
B.
light blue
C.
pink
D.
blue-black
Question #13
How did the activity of amylase change when we boiled the enzyme?
A.
no change in amylase activity
B.
increased amylase activity
C.
reduced amylase activity
Question #14
An unknown solution was boiled for 5 minutes with Benedict’s reagent. The color of the solution went from blue to orange. What is present in the solution?
A.
lipids
B.
maltose
C.
protein
D.
amino acids
E.
starch
Question #15
Enzymes work as biological catalysts by ________________
A.
causing water to dissociate
B.
freezing the substrate that binds to that enzyme
C.
raising the temperature of a molecule
D.
lowering the activation energy required for a chemical reaction
Question #16
What is the substrate of the amylase enzyme?
A.
lipids
B.
nucleic acids
C.
starch
D.
protein
E.
glucose
Question #17
What are the monomers of starch?
A.
lipids
B.
monosaccharides
C.
amino acids
D.
nucleic acids
E.
triglycerides
Question #18
What is the action of aldosterone?
A.
acts to increase potassium reabsorption in the nephron loop
B.
acts on the distal convoluted tubule to promote secretion of sodium and reabsorption of potassium
C.
acts on the distal convoluted tubule to promote reabsorption of sodium and secretion of potassium
D.
acts to increase the synthesis of aquaporin channels along the distal convoluted tubule
Question #19
Where is antidiuretic hormone synthesized?
A.
posterior pituitary gland
B.
anterior pituitary gland
C.
Hypothalamus
D.
pineal gland
Question #20
What is the action of antidiuretic hormone (ADH)?
A.
acts to increase the synthesis of aquaporin channels along the collecting ducts to increase the reabsorption of water
B.
acts on the distal convoluted tubule to promote secretion of sodium and reabsorption of potassium
C.
acts to increase potassium reabsorption in the nephron loop
D.
acts on the distal convoluted tubule to promote reabsorption of sodium and secretion of potassium
Question #21
Filtrate from the glomerular capillaries first collects in the ____________
A.
lumen of proximal convoluted tubule
B.
bowman's space
C.
collecting duct
D.
lumen of distal convoluted tubule
Question #22
What is the driving force that draws fluid and solutes into the lumen of the renal tubule?
A.
plasma hydrostatic pressure
B.
plasma oncotic pressure
C.
bowman's space
Question #23
What is the driving force that draws fluid and solutes back into the peritubular capillaries?
A.
B.
bowman's space hydrostatic pressure
C.
plasma oncotic pressure
D.
plasma hydrostatic pressure
Question #24
What is glomerular filtration rate?
A.
the rate of fluid filtered from the renal pelvis
B.
the rate of fluid filtered from the peritubular capillaries
C.
rate of fluid filtered from the nephron loop
D.
the rate of fluid filtered from the glomerular capillaries
Question #25
How would dilating the afferent arteriole effect GFR?
A.
decrease GFR
B.
not change GFR
C.
increase GFR
Question #26
What is the enzyme that converts CO2 + water --> carbonic acid
A.
carbonic anhydrase
B.
aromatase
C.
hexokinase
D.
alpha reductase
Question #27
Respiratory alkalosis can be brought upon by
A.
paralysis of the respiratory muscles
B.
hypoventilation
C.
hyperventilation
D.
emphysema
Question #28
Chronic diarrhea which results in the loss of bicarbonate with the elimination of intestinal contents can lead to a state of
A.
metabolic alkalosis
B.
metabolic acidosis
C.
respiratory acidosis
Question #29
How might the respiratory system compensate in a state of metabolic acidosis?
A.
hypoventilate to retain more oxygen in the blood
B.
hyperventilation to get rid of CO2
C.
lower respiratory rate to retain more CO2 in the blood
D.
decrease the depth of breathing to retain more potassium in the lungs
Question #30
Rebreathing (as in rebreathing your air from a paper bag) may help with hyperventilation because ____________
A.
increases volume of oxygen inspired
B.
you rebreath your carbon dioxide which helps to increase your CO2 levels in your blood
C.
reduces the strain on your respiratory muscles
D.
none of the above
Question #31
What is the normal range of blood pH
A.
7.35 - 7.45
B.
7.45 - 7.65
C.
6.45 - 7.0
D.
7.05-7.15
Question #32
Chronic vomiting can lead to a state of
A.
metabolic alkalosis
B.
respiratory alkalosis
C.
metabolic acidosis
D.
none of the above
Question #33
Carbonic anhydrase (enzyme) facilitates the reaction of mixing water with carbon dioxide to form ________
A.
carbohydrate
B.
carbon monixde
C.
carbonic acid
D.
monohydroxide
Question #34
Respiratory acidosis is caused by
A.
decreased carbon dioxide in the blood
B.
increased potassium in the lungs
C.
increased potassium in the blood
D.
increased carbon dioxide in the blood
Question #35
The clinical term for a patient with lower than normal hematocrit is ___________
A.
anemia
B.
thrombocytopenia
C.
polycythemia
D.
thrombocytosis
Question #36
____________ measures the settling of RBCs in a vertical stationary tube in one hour
A.
cell blood count
B.
hemoglobin levels
C.
erythrocyte sedimentation rate
D.
hematocrit
Question #37
A.
erythrocyte sedimentation rate
B.
hemoglobin
C.
fibrin clotting time
D.
hematocrit
Question #38
A 68 year old obese male is suffering from chronic congested heart failure. How might we expect his hemoglobin levels?
A.
elevated
B.
decreased
C.
normal levels
Question #39
What is the closest to a normal hematocrit for a healthy male?
A.
8%
B.
75%
C.
45%
D.
62%
E.
35%
Question #40
In a blood typing test , we notice a positive agglutination (clumping) test when we add anti-A antibodies and anti-B antibodies. What blood type is this individual?
A.
AB
B.
B
C.
A
D.
O
Question #41
What is closest to a normal hemoglobin level for a healthy female?
A.
10 g/100 ml of blood
B.
22 g/100 ml of blood
C.
14 g/100 ml of blood
D.
8 g/100 ml of blood
Question #42
When we centrifuge a blood sample the buffy coat contains __________
A.
plasma proteins
B.
leukocytes
C.
plasma
D.
erythrocytes
Question #43
ELISA in our serology lab stands for :
A.
Enteric lymphocytes immunosorbent assay
B.
Enzyme linked immunosorbent Assay
C.
Enzymatic lattice iron sulphur assay
D.
Exoskeleton lattice immunosuppressive assay
Question #44
What lab equipment is used to separate proteins based on their size and charge?
A.
gel electrophoresis
B.
ELISA
C.
centrifugation
D.
sedimentation rate
Question #45
Left untreated Chlamydia can lead to ____________
A.
sterility
B.
cancer
C.
anemia
D.
pregnancy
Question #46
A.
to detect RNA
B.
to detect mRNA
C.
to detect protein
D.
to detect DNA
Question #47
A common application of the direct ELISA is a home pregnancy test which detects the presence of ______________
A.
fetal red blood cells
B.
fetal aldosterone
C.
human chorionic gonadtropin (hCG)
D.
fetal thyroid hormones
Question #48
The Ouchterlony technique in our serological testing lab is used to deterrmine _______
A.
the hematocrit of a blood sample
B.
the concentration of neutrophils in a blood sample
C.
the concentration of antibodies in a sample
D.
whether antigens are identical, related or unrelated
Question #49
An indirect ELISA test :
A.
designed to detect the foreign antigen directly
B.
designed to detect the presence of eosinophils
C.
designed to detect antibodies that the patient has made against the antigen
D.
designed to detect the presence of macrophages
Question #50
An antigen binds to the ____________ region of an antibody
A.
constant
B.
variable
C.
mid
Question #51
What is the important function of surfactant?
A.
increases bronchial contstriction
B.
reduces surface tension in the alveoli to facilitate inflation of alveloi
C.
increases surface tension in alveoli
D.
increases the synthesis of water in the alveoli
Question #52
The amount of air remaining in the lungs after forceful and complete expiration is ________
A.
vital capacity
B.
inspiratory reserve volume
C.
tidal volume
D.
residual volume
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Physiology 001 - Introduction to Human Physiology ] course for $25 USD.
Existing Quiz Clients Login here