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