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