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 sensory
B visceral sensory
C somatic motor
D autonomic motor
Question #2
A False
B True
Question #3
A use preganglionic and postganglionic neurons to innervate skeletal muscle.
B are composed of PNS structures only.
C contain autonomic ganglia to house ganglionic neurons.
D function only during sleep.
E are voluntary.
Question #4
A prefrontal cortex
B reticular activating system
C olfactory bulb
D premotor cortex
Question #5
A False
B True
Question #6
A axons in the PNS.
B axons in the CNS.
C myelinated axons.
D dendrites.
E unmyelinated axons.
Question #7
A True
B False
Question #8
A False
B True
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 migrate to the PNS as needed.
D can form new neurons throughout the CNS.
E have no known function.
Question #10
A weak and indistinct.
B strong and distinct.
Question #11
A Increased secretion of sex hormones promotes epiphyseal plate growth.
B Increased activity of osteoclasts occurs in response to parathyroid hormone stimulation.
C Increased absorption of dietary vitamins and minerals strengthens the matrix.
D Increased physical activity causes lengthwise growth in response to bone stress.
E Increased rate of calcium deposition occurs due to high blood calcium levels.
Question #12
A Vitamin A
B Vitamin K
C Vitamin B
D Vitamin C
E Vitamin D
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 slightest and temperature is at body temperature.
C slightest and temperature is lowest.
D steepest and temperature is highest.
E steepest and temperature is at body temperature.
Question #17
A True
B False
Question #18
A True
B False
Question #19
A negativity of the feedback.
B cause of the homeostatic imbalance.
C multiple side effects of a drug.
D effector and the set point.
Question #20
A False
B True
Question #21
A True
B False
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 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 form and muscle elasticity returns the muscle to rest length.
B crossbridges form and muscle extensibility returns the muscle to rest length.
C crossbridges stop forming and muscle extensibility returns the muscle to rest length
D crossbridges stop forming and muscle elasticity returns the muscle to rest length.
Question #26
A ACh receptors close and Ca++ channels on the sarcoplasmic reticulum open.
B ACh receptors open and Ca++ channels on the sarcoplasmic reticulum close.
C ACh receptors close and Ca++ channels on the sarcoplasmic reticulum close.
D ACh receptors open and Ca++ channels on the sarcoplasmic reticulum open.
Question #27
A False
B True
Question #28
A relaxation
B contraction
C latent
Question #29
A does not
B does
Question #30
A at the end plate.
B along the sarcolemma and down the T-tubules.
C in the mitochondria.
D within the sarcoplasmic reticulum.
Question #31
A False
B True
Question #32
A a thick filament pushing an actin filament towards the nearest Z-line.
B a thin filament shortening in length and thereby shortening the sarcomere.
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 enters through active transport pumps and triggers the release of transmitter.
B exits through active transport pumps and brings transmitter with it.
C exits through voltage-gated channels and triggers transmitter release.
D enters through voltage-gated channels and triggers the release of transmitter.
E is released from synaptic vesicles.
Question #35
A negative charge along the inside of the cell membrane, as sodium 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 potassium rapidly enters.
D positive charge along the inside of the cell membrane, as potassium rapidly enters.
Question #36
A Norepinephrine
B Acetylcholinesterase
C Serotonin
D Acetylcholine
Question #37
A recruiting a different number of motor units.
B altering the number of crossbridges each individual fiber uses.
C activating the motor units at a different frequency.
D activating different regions of the muscle.
Question #38
A Isotonic
B Isometric
Question #39
A False
B True
Question #40
A calcium enters the myofibril, it detaches from myosin, and the binding sites on myosin become inactive.
B sarcoplasm calcium levels fall, calcium is removed from troponin, and tropomyosin blocks binding sites on actin.
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 treppe effect.
B contractility.
C extensibility.
D conductivity.
E elasticity.
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 tropomyosin
D elastin
E troponin
Question #44
A elasticity.
B responsibility.
C contractility.
D conductivity.
E extensibility.
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 excitability.
B contractility.
C conductivity.
D elasticity.
E extensibility.
Question #47
A capacitance
B frequency
C intensity
D warm up time
Question #48
A False
B True
Question #49
A Pivot – attach – return – detach
B Attach – detach – pivot – return
C Return – pivot – attach – detach
D Pivot – attach – detach – return
E Attach – pivot – detach – return