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 decreasing calcium concentration
C stimulation by growth hormone
D controlling blood vessel radius
Question #3
A vasoconstriction
B vasodilation
C increase in blood vessel length
D increase in blood viscosity
Question #4
A tunic
B valve
C laminar flow
D lumen
Question #5
A decrease blood flow
B no change in blood flow
C increase blood flow
Question #6
A wave summation
B tetani
C relative refractory period
D absolute refractory period
Question #7
A increase force of heart contractility
B no change in force of heart contractility
C reduce force of heart contractility
Question #8
A AV bundle
B purkinje fibers
C AV node
D sinoatrial node
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 low levels of insulin produced by the pancreas
B decreased insulin sensitivity by cells
C increased growth hormone production
D normal levels of insulin from the pancreas
Question #12
A adenohypophysis
B pheochromocytoma
C basal cell carcinoma
D adenocarcinoma
E goiter
Question #13
A it would cause no change
B it would increase TSH
C it would decrease TSH
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 growth hormone
C Giving the rat exogenous thyroid releasing hormone
D Giving the rat exogenous aldosterone
Question #16
A inhibits the production of thyroxine
B stimulates release of aldosterone by pituitary gland
C stimulates ovarian follicle growth
D stimulates the release of prolactin by pituitary gland
Question #17
A inhibits the production of thyroxine
B it stimulates more production of thyroxine
C it stimulates the production of thyroid stimulating hormone
D inhibits the production of thyroid releasing hormone
Question #18
A thermodynamics
B T score
C blood pressure
D heart rate
Question #19
A fused tetanus
B temporal summation
C unfused tetanus
D muscle twitch
Question #20
A complete tetanus
B muscle twitch
C muscle tone
D incomplete tetanus
Question #21
A muscle tone
B stimulus threshold
C muscle relaxation
D wave summation
Question #22
A a sympathetic neuron
B the spinal cord and the muscle fibers it innervates
C the muscle fibers it innervates
D a motor neuron and all the muscle fibers it innervates
E a motor neuron
Question #23
A maximum muscle tension stayed the same
B the muscle tension continued to increase exponentially
C the muscle burned
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 for a muscle to reach maximum muscle tension
C the highest stimulus required to reach unfused tetani
D the smallest stimulus required to fused tetani
Question #25
A acetylcholinesterase
B serotonin
C norepinephrine
D epinephrine
E acetylcholine
Question #26
A absolute refractory period
B tetanus
C inhibition period
D relative refractory period
Question #27
A smaller axon diameter
B larger axon diameter
Question #28
A extracellular = intracellular concentrations
B extracelluarly
C intracellularly
Question #29
A influx of potassium ions into the neuron
B efflux of potassium ion out of the neuron
C influx of sodium ions into the neuron
D efflux of sodium ion out of the neuron
Question #30
A unmyelinated axons
B myelinated axons
Question #31
A synaptic cleft
B axon hillock
C nodes of Ranvier
D axon terminal
Question #32
A zinc
B calcium
C potassium
D sodium
Question #33
A Dye D which has a molecular weight of 354.7 g/mol
B Dye B which has a molecular weight of 32.9 g/mol
C Dye C which has a molecular weight of 137.8 g/mol
D Dye A which has a molecular weight of 24.5 g/mol
Question #34
A osmosis
B saturation
C equilibrium
D osmolarity
Question #35
A a solution with a lower 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 the same 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 solute; low; high
B water; low; high
C water; high; low
D solute; high; low
Question #38
A increased the rate of diffusion
B increased the temperature of our solution
C decreased the rate of diffusion
D no change in rate of diffusion
Question #39
A positive result
B negative result
Question #40
A No answer text provided.
B increased amylase activity
C reduced amylase activity
D no change in amylase activity
Question #41
A lowering the activation energy required for a chemical reaction
B freezing the substrate that binds to that enzyme
C causing water to dissociate
D raising the temperature of a molecule
Question #42
A starch
B protein
C amino acids
D lipids
E maltose
Question #43
A amino acids
B triglycerides
C nucleic acids
D monosaccharides
E lipids
Question #44
A glucose
B nucleic acids
C lipids
D starch
E protein
Question #45
A protein
B lipids
C potassium permanganate
D DNA
E starch
Question #46
A light blue
B red
C pink
D blue-black