Navigation » List of Schools » Prince George Community College » Biology » Bio 2050 – Anatomy and Physiology » Fall 2022 » Final Lecture Exam
Below are the questions for the exam with the choices of answers:
Question #1
A somatic motor
B visceral sensory
C autonomic motor
D somatic sensory
Question #2
A True
B False
Question #3
A are composed of PNS structures only.
B use preganglionic and postganglionic neurons to innervate skeletal muscle.
C contain autonomic ganglia to house ganglionic neurons.
D are voluntary.
E function only during sleep.
Question #4
A olfactory bulb
B reticular activating system
C prefrontal cortex
D premotor cortex
Question #5
A False
B True
Question #6
A myelinated axons.
B axons in the PNS.
C axons in the CNS.
D unmyelinated axons.
E dendrites.
Question #7
A False
B True
Question #8
A False
B True
Question #9
A can migrate to the PNS as needed.
B can form new neurons in only certain portions of the CNS such as the hippocampus.
C can only form glial cells.
D have no known function.
E can form new neurons throughout the CNS.
Question #10
A weak and indistinct.
B strong and distinct.
Question #11
A Increased absorption of dietary vitamins and minerals strengthens the matrix.
B Increased rate of calcium deposition occurs due to high blood calcium levels.
C Increased physical activity causes lengthwise growth in response to bone stress.
D Increased activity of osteoclasts occurs in response to parathyroid hormone stimulation.
E Increased secretion of sex hormones promotes epiphyseal plate growth.
Question #12
A Vitamin D
B Vitamin B
C Vitamin C
D Vitamin A
E Vitamin K
Question #13
A True
B False
Question #14
A True
B False
Question #15
A greater
B lesser
Question #16
A steepest and temperature is at body temperature.
B slightest and temperature is at body temperature.
C slightest and temperature is highest.
D steepest and temperature is highest.
E slightest and temperature is lowest.
Question #17
A True
B False
Question #18
A True
B False
Question #19
A multiple side effects of a drug.
B negativity of the feedback.
C effector and the set point.
D cause of the homeostatic imbalance.
Question #20
A True
B False
Question #21
A False
B True
Question #22
A False
B True
Question #23
A voltage-gated Na+ channels.
B chemically gated K+ channels.
C chemically gated Na+ channels.
D voltage-gated K+ channels.
Question #24
A be much like those in the eye muscles.
B generally contain less than ten fibers.
C generally contain several hundred fibers.
D contain several motor neurons.
Question #25
A crossbridges stop forming and muscle extensibility returns the muscle to rest length
B crossbridges form and muscle extensibility returns the muscle to rest length.
C crossbridges stop forming and muscle elasticity returns the muscle to rest length.
D crossbridges form and muscle elasticity returns the muscle to rest length.
Question #26
A ACh receptors open and Ca++ channels on the sarcoplasmic reticulum open.
B ACh receptors close and Ca++ channels on the sarcoplasmic reticulum open.
C ACh receptors open and Ca++ channels on the sarcoplasmic reticulum close.
D ACh receptors close and Ca++ channels on the sarcoplasmic reticulum close.
Question #27
A False
B True
Question #28
A relaxation
B contraction
C latent
Question #29
A does not
B does
Question #30
A within the sarcoplasmic reticulum.
B at the end plate.
C in the mitochondria.
D along the sarcolemma and down the T-tubules.
Question #31
A False
B True
Question #32
A a thin filament shortening in length and thereby shortening the sarcomere.
B a thick filament pushing an actin filament towards the nearest Z-line.
C a myosin head pulling a thin filament toward the center of the sarcomere.
D an actin molecule pulling a myosin molecule toward the M-line.
Question #33
A False
B True
Question #34
A exits through voltage-gated channels and triggers transmitter release.
B exits through active transport pumps and brings transmitter with it.
C is released from synaptic vesicles.
D enters through voltage-gated channels and triggers the release of transmitter.
E enters through active transport pumps and triggers the release of transmitter.
Question #35
A positive charge along the inside of the cell membrane, as potassium rapidly enters.
B negative charge along the inside of the cell membrane, as sodium rapidly enters.
C positive charge along the inside of the cell membrane, as sodium rapidly enters.
D negative charge along the inside of the cell membrane, as potassium rapidly enters.
Question #36
A Acetylcholinesterase
B Acetylcholine
C Norepinephrine
D Serotonin
Question #37
A activating different regions of the muscle.
B altering the number of crossbridges each individual fiber uses.
C recruiting a different number of motor units.
D activating the motor units at a different frequency.
Question #38
A Isometric
B Isotonic
Question #39
A False
B True
Question #40
A extracellular calcium levels fall, calcium is pumped into the myofibril, and tropomyosin slides away from actin.
B sarcoplasm calcium levels fall, calcium is removed from troponin, and tropomyosin blocks binding sites on actin.
C calcium enters the myofibril, it detaches from myosin, and the binding sites on myosin become inactive.
D calcium leaves the sarcoplasmic reticulum, and troponin binds calcium and blocks the binding sites on actin.
Question #41
A elasticity.
B conductivity.
C contractility.
D extensibility.
E treppe effect.
Question #42
A Immediately preceding the power stroke.
B Immediately preceding the detachment of the myosin head.
C Immediately preceding the resetting of the myosin head.
Question #43
A elastin
B tropomyosin
C myosin
D troponin
E actin
Question #44
A responsibility.
B elasticity.
C extensibility.
D contractility.
E conductivity.
Question #45
A by rapid diffusion when a voltage-gated ion channel opens for it.
B through exocytosis when a vesicle fuses with the membrane.
C by conduction through a gap junction from nerve to muscle.
D by a primary active transport pump.
Question #46
A extensibility.
B elasticity.
C contractility.
D excitability.
E conductivity.
Question #47
A warm up time
B intensity
C frequency
D capacitance
Question #48
A True
B False
Question #49
A Pivot – attach – detach – return
B Attach – pivot – detach – return
C Attach – detach – pivot – return
D Return – pivot – attach – detach
E Pivot – attach – return – detach