Navigation » List of Schools » East Los Angeles College » Physiology » Physiology 001 – Introduction to Human Physiology » Winter 2021 » Lab Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A radius
B viscosity
C pressure
D flow
Question #2
A stimulation by growth hormone
B controlling blood vessel radius
C decreasing calcium concentration
D increasing temperature
Question #3
A increase in blood vessel length
B increase in blood viscosity
C vasoconstriction
D vasodilation
Question #4
A laminar flow
B tunic
C lumen
D valve
Question #5
A decrease blood flow
B no change in blood flow
C increase blood flow
Question #6
A wave summation
B relative refractory period
C absolute refractory period
D tetani
Question #7
A increase force of heart contractility
B reduce force of heart contractility
C no change in force of heart contractility
Question #8
A AV bundle
B purkinje fibers
C sinoatrial node
D AV node
Question #9
A increase his heart rate
B no change in his heart rate
C reduce his heart rate
Question #10
A decrease heart rate
B increase heart rate
Question #11
A normal levels of insulin from the pancreas
B decreased insulin sensitivity by cells
C increased growth hormone production
D low levels of insulin produced by the pancreas
Question #12
A adenohypophysis
B basal cell carcinoma
C adenocarcinoma
D pheochromocytoma
E goiter
Question #13
A it would decrease TSH
B it would increase TSH
C it would cause no change
Question #14
A Giving the rat exogenous growth hormone
B Giving the rat exogenous thyroid stimulating hormone
C Giving the rat exogenous thyroxine
D Giving the rat exogenous thyroid releasing hormone
Question #15
A Giving the rat exogenous calcitonin
B Giving the rat exogenous thyroid releasing hormone
C Giving the rat exogenous growth hormone
D Giving the rat exogenous aldosterone
Question #16
A inhibits the production of thyroxine
B stimulates ovarian follicle growth
C stimulates release of aldosterone by pituitary gland
D stimulates the release of prolactin by pituitary gland
Question #17
A it stimulates the production of thyroid stimulating hormone
B inhibits the production of thyroxine
C it stimulates more production of thyroxine
D inhibits the production of thyroid releasing hormone
Question #18
A thermodynamics
B T score
C blood pressure
D heart rate
Question #19
A muscle twitch
B temporal summation
C fused tetanus
D unfused tetanus
Question #20
A incomplete tetanus
B muscle tone
C complete tetanus
D muscle twitch
Question #21
A stimulus threshold
B muscle tone
C wave summation
D muscle relaxation
Question #22
A the muscle fibers it innervates
B the spinal cord and the muscle fibers it innervates
C a motor neuron
D a sympathetic neuron
E a motor neuron and all the muscle fibers it innervates
Question #23
A the muscle tension continued to increase exponentially
B maximum muscle tension stayed the same
C muscle tension dropped back down to resting muscle tension
D the muscle burned
Question #24
A the smallest stimulus required to fused tetani
B the smallest stimulus required for a muscle to reach maximum muscle tension
C smallest stimulus required to induce an action potential on a muscle fiber’s sarcolemma
D the highest stimulus required to reach unfused tetani
Question #25
A serotonin
B acetylcholinesterase
C norepinephrine
D epinephrine
E acetylcholine
Question #26
A relative refractory period
B absolute refractory period
C tetanus
D inhibition period
Question #27
A larger axon diameter
B smaller axon diameter
Question #28
A intracellularly
B extracelluarly
C extracellular = intracellular concentrations
Question #29
A efflux of sodium ion out of the neuron
B influx of sodium ions into the neuron
C influx of potassium ions into the neuron
D efflux of potassium ion out of the neuron
Question #30
A unmyelinated axons
B myelinated axons
Question #31
A nodes of Ranvier
B synaptic cleft
C axon terminal
D axon hillock
Question #32
A sodium
B calcium
C potassium
D zinc
Question #33
A Dye D which has a molecular weight of 354.7 g/mol
B Dye A which has a molecular weight of 24.5 g/mol
C Dye B which has a molecular weight of 32.9 g/mol
D Dye C which has a molecular weight of 137.8 g/mol
Question #34
A equilibrium
B osmosis
C saturation
D osmolarity
Question #35
A a solution with the same concentration of solutes compared to the intracellular concentration
B a solution with a higher concentration of solutes compared to the intracellular concentration
C a solution with a lower concentration of solutes compared to the intracellular concentration
D none of the above
Question #36
A low; high
B high; low
C none of the above
Question #37
A water; high; low
B solute; low; high
C solute; high; low
D water; low; high
Question #38
A increased the rate of diffusion
B decreased the rate of diffusion
C increased the temperature of our solution
D no change in rate of diffusion
Question #39
A negative result
B positive result
Question #40
A No answer text provided.
B reduced amylase activity
C no change in amylase activity
D increased amylase activity
Question #41
A raising the temperature of a molecule
B freezing the substrate that binds to that enzyme
C lowering the activation energy required for a chemical reaction
D causing water to dissociate
Question #42
A lipids
B maltose
C amino acids
D starch
E protein
Question #43
A lipids
B nucleic acids
C monosaccharides
D triglycerides
E amino acids
Question #44
A protein
B starch
C lipids
D glucose
E nucleic acids
Question #45
A starch
B potassium permanganate
C lipids
D protein
E DNA
Question #46
A blue-black
B light blue
C pink
D red