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 autonomic motor
B visceral sensory
C somatic motor
D somatic sensory
Question #2
A True
B False
Question #3
A function only during sleep.
B contain autonomic ganglia to house ganglionic neurons.
C are voluntary.
D use preganglionic and postganglionic neurons to innervate skeletal muscle.
E are composed of PNS structures only.
Question #4
A premotor cortex
B olfactory bulb
C reticular activating system
D prefrontal cortex
Question #5
A False
B True
Question #6
A dendrites.
B unmyelinated axons.
C axons in the CNS.
D myelinated axons.
E axons in the PNS.
Question #7
A False
B True
Question #8
A False
B True
Question #9
A can only form glial cells.
B can form new neurons throughout the CNS.
C can form new neurons in only certain portions of the CNS such as the hippocampus.
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 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 C
B Vitamin A
C Vitamin D
D Vitamin B
E Vitamin K
Question #13
A False
B True
Question #14
A False
B True
Question #15
A greater
B lesser
Question #16
A slightest and temperature is highest.
B steepest and temperature is highest.
C steepest and temperature is at body temperature.
D slightest and temperature is at body temperature.
E slightest and temperature is lowest.
Question #17
A True
B False
Question #18
A True
B False
Question #19
A effector and the set point.
B cause of the homeostatic imbalance.
C multiple side effects of a drug.
D negativity of the feedback.
Question #20
A False
B True
Question #21
A True
B False
Question #22
A False
B True
Question #23
A voltage-gated Na+ channels.
B voltage-gated K+ channels.
C chemically gated K+ channels.
D chemically gated Na+ channels.
Question #24
A generally contain several hundred fibers.
B be much like those in the eye muscles.
C contain several motor neurons.
D generally contain less than ten fibers.
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 elasticity returns the muscle to rest length.
D crossbridges form and muscle extensibility 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 close.
C ACh receptors close and Ca++ channels on the sarcoplasmic reticulum open.
D ACh receptors open and Ca++ channels on the sarcoplasmic reticulum open.
Question #27
A False
B True
Question #28
A latent
B contraction
C relaxation
Question #29
A does not
B does
Question #30
A along the sarcolemma and down the T-tubules.
B within the sarcoplasmic reticulum.
C in the mitochondria.
D at the end plate.
Question #31
A True
B False
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 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 enters through active transport pumps and triggers the release of transmitter.
B enters through voltage-gated channels and triggers the release of transmitter.
C is released from synaptic vesicles.
D exits through voltage-gated channels and triggers transmitter release.
E exits through active transport pumps and brings transmitter with it.
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 positive charge along the inside of the cell membrane, as potassium rapidly enters.
D negative charge along the inside of the cell membrane, as potassium rapidly enters.
Question #36
A Norepinephrine
B Acetylcholine
C Serotonin
D Acetylcholinesterase
Question #37
A activating different regions of the muscle.
B recruiting a different number of motor units.
C altering the number of crossbridges each individual fiber uses.
D activating the motor units at a different frequency.
Question #38
A Isotonic
B Isometric
Question #39
A True
B False
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 extensibility.
B conductivity.
C contractility.
D elasticity.
E treppe effect.
Question #42
A Immediately preceding the detachment of the myosin head.
B Immediately preceding the resetting of the myosin head.
C Immediately preceding the power stroke.
Question #43
A actin
B myosin
C troponin
D elastin
E tropomyosin
Question #44
A contractility.
B conductivity.
C elasticity.
D extensibility.
E responsibility.
Question #45
A by rapid diffusion when a voltage-gated ion channel opens for it.
B by a primary active transport pump.
C through exocytosis when a vesicle fuses with the membrane.
D by conduction through a gap junction from nerve to muscle.
Question #46
A extensibility.
B excitability.
C conductivity.
D elasticity.
E contractility.
Question #47
A warm up time
B intensity
C frequency
D capacitance
Question #48
A False
B True
Question #49
A Return – pivot – attach – detach
B Attach – detach – pivot – return
C Attach – pivot – detach – return
D Pivot – attach – detach – return
E Pivot – attach – return – detach