BIO 105 STUDY EXAMS GUIDE ALL QUESTIONS AND
ANSWERS SURE A+
✔✔Areolar tissue - ✔✔Loose connective tissue with elastic, reticular & some collagen
fibers
✔✔Dense connective tissue - ✔✔Collagenous tissue that forms tendons & ligaments
✔✔Cartilage - ✔✔Contains chondrocytes housed in lacuna
✔✔Compact bone - ✔✔composed of osteons & osteocytes
✔✔Adipose tissue - ✔✔collection of fat cells, composed of adipocytes
✔✔Blood tissue - ✔✔contains red/white blood cells & platelets
✔✔Nervous tissue - ✔✔Responsible for generating electrical impulses
✔✔Muscular tissue - ✔✔Primary function is to allow body movement
✔✔Contraction of skeletal muscles cannot occur without? - ✔✔ATP or calcium
, ✔✔The thick myofilament is known as? - ✔✔Myosin
✔✔The thin myofilament is known as? - ✔✔Actin
✔✔CNS is composed of the - ✔✔Brain & spinal cord
✔✔The autonomic nervous system is composed of the - ✔✔sympathetic &
parasympathetic nervous system
✔✔Action potentials use what part of the neuron to send signals to a second neuron? -
✔✔Axon
✔✔Cell membranes must reach what threshold in order to fire? - ✔✔-55mv
✔✔The resting membrane potential of a neuronal cell is? - ✔✔-70mv
✔✔Depolarization happens when the membrane voltage becomes? - ✔✔Positive
✔✔When depolarization happens what ion enters the cell? - ✔✔Sodium
✔✔When repolarization happens, sodium channels close and then - ✔✔The sodium
potassium pump, pumps sodium & potassium against their gradient (potassium higher
in the cell, sodium higher outside)
✔✔The parasympathetic system is known as - ✔✔Rest & digest
✔✔The sympathetic nervous system is known as - ✔✔Fight or flight
✔✔Parasympathetic uses what neurotransmitter for its chemical signal? -
✔✔Acetylcholine
✔✔Sympathetic uses what neurotransmitter for its chemical signal? -
✔✔Norepinephrine
✔✔Cerebellum - ✔✔Maintains balance & coordination
✔✔Cerebrum - ✔✔Composed of frontal, parietal, temporal & occipital lobes
✔✔Frontal lobe - ✔✔Allows for higher order mental function like decision making &
problem solving
✔✔White matter - ✔✔Composed of mostly myelinated axons
ANSWERS SURE A+
✔✔Areolar tissue - ✔✔Loose connective tissue with elastic, reticular & some collagen
fibers
✔✔Dense connective tissue - ✔✔Collagenous tissue that forms tendons & ligaments
✔✔Cartilage - ✔✔Contains chondrocytes housed in lacuna
✔✔Compact bone - ✔✔composed of osteons & osteocytes
✔✔Adipose tissue - ✔✔collection of fat cells, composed of adipocytes
✔✔Blood tissue - ✔✔contains red/white blood cells & platelets
✔✔Nervous tissue - ✔✔Responsible for generating electrical impulses
✔✔Muscular tissue - ✔✔Primary function is to allow body movement
✔✔Contraction of skeletal muscles cannot occur without? - ✔✔ATP or calcium
, ✔✔The thick myofilament is known as? - ✔✔Myosin
✔✔The thin myofilament is known as? - ✔✔Actin
✔✔CNS is composed of the - ✔✔Brain & spinal cord
✔✔The autonomic nervous system is composed of the - ✔✔sympathetic &
parasympathetic nervous system
✔✔Action potentials use what part of the neuron to send signals to a second neuron? -
✔✔Axon
✔✔Cell membranes must reach what threshold in order to fire? - ✔✔-55mv
✔✔The resting membrane potential of a neuronal cell is? - ✔✔-70mv
✔✔Depolarization happens when the membrane voltage becomes? - ✔✔Positive
✔✔When depolarization happens what ion enters the cell? - ✔✔Sodium
✔✔When repolarization happens, sodium channels close and then - ✔✔The sodium
potassium pump, pumps sodium & potassium against their gradient (potassium higher
in the cell, sodium higher outside)
✔✔The parasympathetic system is known as - ✔✔Rest & digest
✔✔The sympathetic nervous system is known as - ✔✔Fight or flight
✔✔Parasympathetic uses what neurotransmitter for its chemical signal? -
✔✔Acetylcholine
✔✔Sympathetic uses what neurotransmitter for its chemical signal? -
✔✔Norepinephrine
✔✔Cerebellum - ✔✔Maintains balance & coordination
✔✔Cerebrum - ✔✔Composed of frontal, parietal, temporal & occipital lobes
✔✔Frontal lobe - ✔✔Allows for higher order mental function like decision making &
problem solving
✔✔White matter - ✔✔Composed of mostly myelinated axons
