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