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 flow
B radius
C pressure
D viscosity
Question #2
A increasing temperature
B stimulation by growth hormone
C controlling blood vessel radius
D decreasing calcium concentration
Question #3
A vasoconstriction
B vasodilation
C increase in blood viscosity
D increase in blood vessel length
Question #4
A valve
B lumen
C laminar flow
D tunic
Question #5
A decrease blood flow
B no change in blood flow
C increase blood flow
Question #6
A absolute refractory period
B wave summation
C tetani
D relative refractory period
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 bundle
B AV node
C sinoatrial node
D purkinje fibers
Question #9
A no change in his heart rate
B reduce his heart rate
C increase his heart rate
Question #10
A decrease heart rate
B increase heart rate
Question #11
A normal levels of insulin from the pancreas
B increased growth hormone production
C low levels of insulin produced by the pancreas
D decreased insulin sensitivity by cells
Question #12
A goiter
B pheochromocytoma
C adenohypophysis
D basal cell carcinoma
E adenocarcinoma
Question #13
A it would increase TSH
B it would decrease TSH
C it would cause no change
Question #14
A Giving the rat exogenous thyroxine
B Giving the rat exogenous growth hormone
C Giving the rat exogenous thyroid stimulating hormone
D Giving the rat exogenous thyroid releasing hormone
Question #15
A Giving the rat exogenous aldosterone
B Giving the rat exogenous thyroid releasing hormone
C Giving the rat exogenous calcitonin
D Giving the rat exogenous growth hormone
Question #16
A stimulates release of aldosterone by pituitary gland
B inhibits the production of thyroxine
C stimulates the release of prolactin by pituitary gland
D stimulates ovarian follicle growth
Question #17
A it stimulates more production of thyroxine
B it stimulates the production of thyroid stimulating hormone
C inhibits the production of thyroxine
D inhibits the production of thyroid releasing hormone
Question #18
A thermodynamics
B heart rate
C blood pressure
D T score
Question #19
A fused tetanus
B temporal summation
C muscle twitch
D unfused tetanus
Question #20
A complete tetanus
B incomplete tetanus
C muscle tone
D muscle twitch
Question #21
A stimulus threshold
B wave summation
C muscle relaxation
D muscle tone
Question #22
A a motor neuron
B the muscle fibers it innervates
C the spinal cord and the muscle fibers it innervates
D a motor neuron and all the muscle fibers it innervates
E a sympathetic neuron
Question #23
A the muscle burned
B maximum muscle tension stayed the same
C the muscle tension continued to increase exponentially
D muscle tension dropped back down to resting muscle tension
Question #24
A smallest stimulus required to induce an action potential on a muscle fiber’s sarcolemma
B the smallest stimulus required to fused tetani
C the highest stimulus required to reach unfused tetani
D the smallest stimulus required for a muscle to reach maximum muscle tension
Question #25
A acetylcholine
B norepinephrine
C epinephrine
D serotonin
E acetylcholinesterase
Question #26
A inhibition period
B tetanus
C absolute refractory period
D relative refractory period
Question #27
A smaller axon diameter
B larger axon diameter
Question #28
A extracellular = intracellular concentrations
B intracellularly
C extracelluarly
Question #29
A efflux of potassium ion out of the neuron
B efflux of sodium ion out of the neuron
C influx of sodium ions into the neuron
D influx of potassium ions into the neuron
Question #30
A myelinated axons
B unmyelinated axons
Question #31
A synaptic cleft
B nodes of Ranvier
C axon terminal
D axon hillock
Question #32
A zinc
B potassium
C calcium
D sodium
Question #33
A Dye C which has a molecular weight of 137.8 g/mol
B Dye B which has a molecular weight of 32.9 g/mol
C Dye D which has a molecular weight of 354.7 g/mol
D Dye A which has a molecular weight of 24.5 g/mol
Question #34
A osmolarity
B equilibrium
C osmosis
D saturation
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 solute; low; high
B solute; high; low
C water; low; high
D water; high; low
Question #38
A increased the rate of diffusion
B increased the temperature of our solution
C no change in rate of diffusion
D decreased the rate of diffusion
Question #39
A negative result
B positive result
Question #40
A No answer text provided.
B increased amylase activity
C no change in amylase activity
D reduced amylase activity
Question #41
A freezing the substrate that binds to that enzyme
B causing water to dissociate
C lowering the activation energy required for a chemical reaction
D raising the temperature of a molecule
Question #42
A protein
B maltose
C starch
D lipids
E amino acids
Question #43
A amino acids
B nucleic acids
C monosaccharides
D lipids
E triglycerides
Question #44
A nucleic acids
B starch
C glucose
D lipids
E protein
Question #45
A starch
B protein
C lipids
D potassium permanganate
E DNA
Question #46
A red
B pink
C light blue
D blue-black