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WorksheetsPhysio Final
Total questions: 71
Worksheet time: 36mins
This structure in the kidney is where the urine is concentrated
Renal tubule
Proximal convoluted tubule
Loop of Henle
Collecting ducts
This step in urine formation controls the blood pH
Glomerular filtration
Tubular resorption
Tubular secretion
Glomerular filtration rate
Where is Renin produced
Kidneys
Liver
Lungs
Gall bladder
Which of the following occurs immediately following conversion of angiotensinogen to angitension I
kidney releases renin
ACE converts angiotensin I to angiotensin II
Vasoconstriction increases blood pressure
Aldosterone is released
Chronic exercise (training) results in which of the following changes in GFR in older persons
GFR increases
GFR decreases
GFR does not change
Response is variable depending on age
This layer of the intestinal wall allows for selective uptake of nutrients, electrolytes, and water
epithelium
lamina propria
circular muscle
longitudinal muscle
Which of the following is a unique feature of the enteric nervous system
contains neurons and glia
Contains virtually every CNS neurotransmitter
is able to function independently from the CNS
there is nothing unique about the enteric nervous system
how long is the transit time of food in the stomach
2-4 hours
4-6 hours
24-72 hours
72-100 hours
What symptoms might you except if a patient had radiation to the lower GI tract
nausea, vomiting, dyspepsia
nausea, dyspepsia, abdominal pain
nausea, vomiting, diarrhea
vomiting, diarrhea, dyspepsia
This type of effusion will contain a greater concentration of proteins and cellular debris
Arachidonic acid Derivatives
Histamine
Platelet Activating Factor
Cytokines
Which of the following cells is present ONLY during an immune response and is NOT part of the inflammatory response
neutrophils
monocytes
lymphocytes
mast cells
During this phase of an immune response, the system is dampened after the antigen is cleared
recognition
amplification
effector
termination
Which intensity of exercise would likely result in suppression of NK cells
brief but intense exercise
very intense exercise
moderately intense exercise
brief but light intensity exercise
Which intensity of exercise enhances immune function
light exercise
moderate exercise
intense exercise
all of the above
This process of temperature regulation consist of a transfer of heat surfaces in direct contact with each other
conduction
convection
radiation
evaporation
In response to being in a hot environment the subcutaneous blood vessels will do which of the following in order to assist with heat loss
vasocontriction
vasodilation
no change
burst
Which of the following occurs in the cardiovascular system in response to being in a cold environment
increase in sympathetic tone
decrease in sympathetic tone
increase in peripheral perfusion
decrease in core perfusion
At which altitude is there a greater than 30% reduction in aerobic capacity
8,000 feet
10,000 feet
12,000 feet
14,000 feet
Which of the following are the characteristics displayed by an organism under a particular set of environmental factors
chromosomes
genotype
phenotype
heredity
According to the HERITAGE study, genetics can explain how much of the variability in training response
20%
30%
40%
50%
According to the TWIN studies which of the following factors is NOT influenced by genetics
Lumbar ROM
Heart rate
grip strength
sit and reach distance
According to the HERITAGE study how many SNPs accounted for the variance in VO2max train-ability
8
12
16
20
Which type of exercise is going to provide the best improvement in insulin sensitivity
Aerobic
Resistance
Aquatic
combined aerobic and resistance
Which time of day is the greatest amount of growth hormone secreted
early morning
Mid-day
afternoon
night
increases in growth hormone production and secretion is most related to which of the following exercise parameters
duration
mode (aerobic or resistance)
frequency
intensity
Resistance training has been shown to increase estrogen and progesterone during which phase of the menstrual cycle
follicular
menstruation
Luteal
pre-menstruation
in response to chronic exercise, circulating levels of estrogen and progesterone do which of the following
increase in response to moderate to vigorous exercise
decrease in response to moderate to vigorous exercise
increase in response to light to moderate exercise
decrease in response to light to moderate exercise
During which phase of the menstrual cycle have ACL injuries been reported to be the lowest rate
follicular
menstruation
luteal
ovulation
Which component of muscle structure is where the contractile unit of the muscle fiber is located
fascicles
muscle bundles
myofibrils
sarcomeres
Which of the following proteins that comprise the contractile unit is responsible for attaching myosin to the Z disk
Actin
Alpha-actinin
Nebulin
Titin
Which component of the myosin filament regulates a muscle contraction and the rate at which the contraction occurs
light chain
neck
heavy chain
globular head
Once the neuronal stimulus reaches the nerve ending, which of the following compounds is released
acetylcholine
calcium
sodium
acetyl CoA
This structure is where the action potential is carried deep into the muscle fibers
sarcoplasmic reticulum
synaptic cleft
T tubule
Motor end plate
This sensor, that is also a protein, is primarily responsible for allowing calcium to move from inside to outside of the cell
Ryanodine receptor (RyR)
Dihydropyridine (DHPR)
SERCA pump
Calcium uniporter
During the power stroke, the rate of contraction is determined by which of the following
How many myosin heads are bound to actin
How much calcium is available in the cytosol
the speed at which inorganic phosphate is released
How much overlap there is the sarcomere
Which of the following best describes the benefit of increasing capillary density in response to endurance training
decreased time needed for oxygen/carbon dioxide exchange to occur
increased time available for oxygen/carbon dioxide exchange to occur
decreased oxygen availability for metabolism
increased oxygen availability for metabolism
plateaus in muscle strength are primarily due to which structural muscle component
muscle size
pennation angle
amount of contractile proteins
number of neural connections
This type of muscle hypertrophy primarily involves increases in enzymes and stored nutrients as well as increases in cellular water content
Type I
Type II
Type III
Type IV
This type of muscle injury is characterized by symptoms of soreness or pain and decreased function, with an onset of between 24-48 hours following activity
Type Ia
Type Ib
Type 2a
Type 2b
Which phase of muscle healing is characterized by rupture and necrosis of the muscle fibers
Degeneration & Inflammation
Regeneration
Proliferation
Remodeling
Which phase of muscle healing is characterized by maturation of regenerated myofibers and fibrosis and scar tissue formation
degeneration and inflammation
regeneration
proliferation
remodeling
During which phase of muscle healing are satellite cells and myoblasts/myotubes most prevalent
Phase I
Phase II
Phase III
Phase IV
According to the literature which of the following is MOST effective in reducing the patient/client perceived soreness related to DOMS
active recovery
cold exposure
massage
myofascial release
What exercise VO2max intensity is necessary to see an increase in norepinephrine during a single episode of exercise
20% VO2max
30% VO2max
60% VO2max
70% VO2max
In response to exercise (both acute and chronic) what is the overall change in neurotransmitters
baseline levels permanently decrease
Baseline levels permanently increase
Baseline levels temporarily decrease
Baselines levels temporarily increase
Which direction of axonal transport carries neurotransmitters and structural proteins
anterograde flow
retrograde flow
bidirectional flow
multidirectional flow
the greatest effect of neural input on strength occurs between 0-4 weeks. This is primarily due to which of the following
optimization of motor neuron recruitment
Optimization of action potential generation
Hypertrophy has not yet occurred
Hypertrophy occurs earlier than neural input changes
Which of the following types of exercise demonstrates an increase in strength when the muscle action is not actually performed
isometric
imagined practice
neuromuscular re-education
eccentric
In response to swelling following a whiplash injury, which part if the nerve cell is damaged
axon
dendrite
nucleus
Schwann cell
Which of the following cells are unique to the neuroimmune response
neutrophils
monocytes
T & B cells
Microglia
Which of the following pressures is sufficient to slow the flow of axoplasm
5 mmHg
10 mmHg
20 mmHg
30 mmHg
Proximal nerve regeneration occurs at what rate
1-2 mm/day
2-3 mm/day
3-4 madam
4-5 mm/day
Following a TBI, how long is the recommended rest period before resuming aerobic exercise
24-48 hours
48-72 hours
2-3 days
4-5 days
Which of the following is a key difference between skeletal and cardiac muscle
has a striated appearance
contains myosin and actin filaments
contracts in an all-or-none manner
Contains intercalated discs
Which of the following is contributor to vasodilation during exercise
low carbon dioxide
low oxygen in muscles
building of ATP
hormonal decreases
When the sympathetic (adrenergic) nervous system is stimulated during exercise, which of the following is true
alpha 1 receptors in smooth muscle elicit vasodilation
Beta 1 receptors in the heart decrease the heart rate
alpha 1 receptors in smooth muscle elicit vasoconstriction
M2 receptors in the atria decrease heart rate
This reflex is responsible for monitoring oxygen and carbon dioxide content and pH of the blood
baroreceptors
chemoreceptors
Endocrine receptors
mechanoreceptors
Transit time occurs in less than 1 second because of which of the following
large lung alveolar surface area AND thin alveolar membrane
Large lung alveolar surface area AND which alveolar membrane
Small lung alveolar surface area AND thin alveolar membrane
small lung alveolar surface area AND thick alveolar membrane
Which of the following is a clinical concern following bed rest, due to the cardiovascular changes
decreased heart rate
orthostatic hypertension
increase in preload
orthostatic hypotension
Which phase of healing is characterized by proteolytic enzymes, ROS, and chemotactic factors, and removal of damaged cells and debris
clotting
inflammation
proliferation
healing
In response to supine positioning, which of the following is true
oxygen intake increases with prolonged bed rest
change in muscle orientation contributes to decreased muscle efficiency
abdominal contents shift away from the diaphragm
positioning increases physiological dead space
During an ischemic event in the heart, prior to reperfusion, which cells become activated and migrate to the area of injury
neutrophils and endothelial cells
platelets and neutrophils
macrophages and endothelial cells
platelets and macrophages
Which phase of lung healing is characterized by production of epithelial dysfunction and damage
initiation
amplification
response
injury
which nerve cells has a primary function to produce molecules preventing axon growth in the CNS
microglia
neurons
astrocytes
oligodendrocytes
When inflammation occurs following neuronal injury, which cells respond first
microglia
leukocytes
Schwann cells
Neutrophils
In order for their to be the best chance of peripheral nerve regeneration following a laceration which of the following has to occur
preservation of the basement membrane
growth cone meeting the endoneurial tube
complete clearing of all nerve cell debris
nerve cells do not regenerate
During chemotherapy induced peripheral neuropathy, which of the following are involved in the neuronal inflammation
altered calcium homeostasis
Microglia release TNF-alpha
altered mitochondria function
loss of peripheral sensory fibers
During exercise which of the following components changes the least
heart rate
stroke volume
a-vO2 diff
resting heart rate
Which of the following controls cardiac contraction, regulates HR, and blood pressure
Central Nervous System
Enteric Nervous System
Somatic Nervous System
Autonomic Nervous System
This component of ventilation exchange is responsible for preventing lung collapse and keeping the alveoli open
Expiratory reserve volume
Tidal Volume
Vital capacity
residual volume
During exercise, blood flow is increased to which of the following
kidneys
other internal organs
bones
central nervous system (brain)
