BIOL 235 MIDTERM 2 QUESTIONS WITH THE LATEST
AND UPDATED SCORE.
Between the origin and insertion which is usually located proximally in limbs ?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Origin __ __
What happens during REVERSE MUSCLE ACTION?-- Correct Answer ✔✔ specific
__ __ __ __ __ __ __ __ __ __
movements of the body the actions are reversed THEREFOR the positions of the origin
__ __ __ __ __ __ __ __ __ __ __ __ __ __
and insertion of a muscle are switched
__ __ __ __ __ __
What is a mechanical advantage using the example of a lever?-- Correct Answer ✔✔ if
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
the load is closer to the fulcrum and the effort is farther from the fulcrum only a small
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
about of effort is needed to move the load
__ __ __ __ __ __ __ __
Bones serve as levers and joints serve as ________ for the lever-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
fulcrum
Agonist (Prime Movers) _________ muscles while antagonist ____________ muscles-
__ __ __ __ __ __ __ __
- Correct Answer ✔✔ contract, relax
__ __ __ __ __
What are muscles that contract and stabilize the intermediate joints called?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ synergists __ __
What is a group of skeletal muscles, their blood vessels, and nerves called?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Compartment __ __
Origin an insertion of the masseter-- Correct Answer ✔✔ Origin = maxilla and
__ __ __ __ __ __ __ __ __ __ __ __ __
zygomatic arch __
Insertion = angle and ramus of the mandible
__ __ __ __ __ __ __
,What is the origin of the deltoid ?-- Correct Answer ✔✔ acromial extremity of clavicle,
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
acromion, and spine of scapula __ __ __ __
What are the 3 muscles that make up the hamstring ?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __
semimembranosus, semitendinosus, biceps femoris __ __ __
What 4 muscles make up the Quads ?-- Correct Answer ✔✔ rectus femoris, vastus
__ __ __ __ __ __ __ __ __ __ __ __ __ __
lateralis, vastus medialis, vastus intermedialis
__ __ __ __
What do you call a small mass of nervous tissue that is made up primarily of neuron cell
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
bodies?-- Correct Answer ✔✔ Ganglia
__ __ __ __
The somatic nervous system only sends impulses to ________ muscles-- Correct
__ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ skeletal __ __
Fight or Flight is associated with which division of the autonomic nervous system?--
__ __ __ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ Sympathetic
__ __ __
What is the ability to respond to a stimulus and convert it into an action potential?--
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ electrical excitability
__ __ __ __
What type of neurons usually have several dendrite and on axon , and are norm ally
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
found in brain and spinal cord as well as motor neurons?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Multipolar
What type of neurons have one main dendrite and one axon as well as are primarily
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
found in the retina of the eye, inner ear, and the olfactory area of brain?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Bipolar __ __
What type of neurons has dendrites and one axon that are fused together to form a
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
continuous process that emerges from the cell body?-- Correct Answer ✔✔ Unipolar or
__ __ __ __ __ __ __ __ __ __ __ __
Pseudounipolar
__
The processes of ________ make contact with blood capillaries, neurons, and the pia
__ __ __ __ __ __ __ __ __ __ __ __ __
mater-- Correct Answer ✔✔ astrocytes
__ __ __ __
, What neuroglia has these functions?
__ __ __ __
1. Contain microfilaments that give them strength and allow them to support neurons
__ __ __ __ __ __ __ __ __ __ __ __
2. Contributes to the effectiveness of BBB
__ __ __ __ __ __
3.in embryo, they secret chemicals that regulate things
__ __ __ __ __ __ __ __
4. Help maintain an appropriate chemical environment for nerve impulse generation
__ __ __ __ __ __ __ __ __ __
5. Play a role in hearing and memory-- Correct Answer ✔✔ Astrocytes
__ __ __ __ __ __ __ __ __ __ __
What neuroglia resemble astrocytes but are smaller and contain fewer processes as well
__ __ __ __ __ __ __ __ __ __ __ __ __
as are responsible for forming and maintaining myelin sheath?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __
Oligodendrocytes
What neuroglia are small cells with slender processes that give them a spine like
__ __ __ __ __ __ __ __ __ __ __ __ __ __
projections as well as act as phagocytes?-- Correct Answer ✔✔ Microglial Cells
__ __ __ __ __ __ __ __ __ __ __
What type of neuroglia cells are cuboidal and columnar arranged in a single layer that
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
possess microvilli and cilia? They produce and possibly monitor and assist in the
__ __ __ __ __ __ __ __ __ __ __ __ __
circulation of CSF-- Correct Answer ✔✔ Ependymal Cells
__ __ __ __ __ __ __
What are the 2 types of neuroglia in the PNS?-- Correct Answer ✔✔ Schwann and
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
satellite cells __
What type of motor neuron directly supplies skeletal muscle fibers?-- Correct Answer
__ __ __ __ __ __ __ __ __ __ __ __
✔✔ lower motor neurons
__ __ __
What do all of these factors contribute to?
__ __ __ __ __ __ __
1. Unequal distribution of ions in the ECF and cytosol
__ __ __ __ __ __ __ __ __
2. Inability of most anions to leave the cells
__ __ __ __ __ __ __ __
3. Electrogenic nature of the sodium potassium atpases-- Correct Answer ✔✔ Resting
__ __ __ __ __ __ __ __ __ __ __ __
membrane potential __
Hyperpolarized cells are _______ negative inside ?-- Correct Answer ✔✔ More __ __ __ __ __ __ __ __ __ __
AND UPDATED SCORE.
Between the origin and insertion which is usually located proximally in limbs ?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Origin __ __
What happens during REVERSE MUSCLE ACTION?-- Correct Answer ✔✔ specific
__ __ __ __ __ __ __ __ __ __
movements of the body the actions are reversed THEREFOR the positions of the origin
__ __ __ __ __ __ __ __ __ __ __ __ __ __
and insertion of a muscle are switched
__ __ __ __ __ __
What is a mechanical advantage using the example of a lever?-- Correct Answer ✔✔ if
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
the load is closer to the fulcrum and the effort is farther from the fulcrum only a small
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
about of effort is needed to move the load
__ __ __ __ __ __ __ __
Bones serve as levers and joints serve as ________ for the lever-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
fulcrum
Agonist (Prime Movers) _________ muscles while antagonist ____________ muscles-
__ __ __ __ __ __ __ __
- Correct Answer ✔✔ contract, relax
__ __ __ __ __
What are muscles that contract and stabilize the intermediate joints called?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ synergists __ __
What is a group of skeletal muscles, their blood vessels, and nerves called?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Compartment __ __
Origin an insertion of the masseter-- Correct Answer ✔✔ Origin = maxilla and
__ __ __ __ __ __ __ __ __ __ __ __ __
zygomatic arch __
Insertion = angle and ramus of the mandible
__ __ __ __ __ __ __
,What is the origin of the deltoid ?-- Correct Answer ✔✔ acromial extremity of clavicle,
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
acromion, and spine of scapula __ __ __ __
What are the 3 muscles that make up the hamstring ?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __
semimembranosus, semitendinosus, biceps femoris __ __ __
What 4 muscles make up the Quads ?-- Correct Answer ✔✔ rectus femoris, vastus
__ __ __ __ __ __ __ __ __ __ __ __ __ __
lateralis, vastus medialis, vastus intermedialis
__ __ __ __
What do you call a small mass of nervous tissue that is made up primarily of neuron cell
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
bodies?-- Correct Answer ✔✔ Ganglia
__ __ __ __
The somatic nervous system only sends impulses to ________ muscles-- Correct
__ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ skeletal __ __
Fight or Flight is associated with which division of the autonomic nervous system?--
__ __ __ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ Sympathetic
__ __ __
What is the ability to respond to a stimulus and convert it into an action potential?--
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Correct Answer ✔✔ electrical excitability
__ __ __ __
What type of neurons usually have several dendrite and on axon , and are norm ally
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
found in brain and spinal cord as well as motor neurons?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __ __ __
Multipolar
What type of neurons have one main dendrite and one axon as well as are primarily
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
found in the retina of the eye, inner ear, and the olfactory area of brain?-- Correct
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Answer ✔✔ Bipolar __ __
What type of neurons has dendrites and one axon that are fused together to form a
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
continuous process that emerges from the cell body?-- Correct Answer ✔✔ Unipolar or
__ __ __ __ __ __ __ __ __ __ __ __
Pseudounipolar
__
The processes of ________ make contact with blood capillaries, neurons, and the pia
__ __ __ __ __ __ __ __ __ __ __ __ __
mater-- Correct Answer ✔✔ astrocytes
__ __ __ __
, What neuroglia has these functions?
__ __ __ __
1. Contain microfilaments that give them strength and allow them to support neurons
__ __ __ __ __ __ __ __ __ __ __ __
2. Contributes to the effectiveness of BBB
__ __ __ __ __ __
3.in embryo, they secret chemicals that regulate things
__ __ __ __ __ __ __ __
4. Help maintain an appropriate chemical environment for nerve impulse generation
__ __ __ __ __ __ __ __ __ __
5. Play a role in hearing and memory-- Correct Answer ✔✔ Astrocytes
__ __ __ __ __ __ __ __ __ __ __
What neuroglia resemble astrocytes but are smaller and contain fewer processes as well
__ __ __ __ __ __ __ __ __ __ __ __ __
as are responsible for forming and maintaining myelin sheath?-- Correct Answer ✔✔
__ __ __ __ __ __ __ __ __ __ __ __
Oligodendrocytes
What neuroglia are small cells with slender processes that give them a spine like
__ __ __ __ __ __ __ __ __ __ __ __ __ __
projections as well as act as phagocytes?-- Correct Answer ✔✔ Microglial Cells
__ __ __ __ __ __ __ __ __ __ __
What type of neuroglia cells are cuboidal and columnar arranged in a single layer that
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
possess microvilli and cilia? They produce and possibly monitor and assist in the
__ __ __ __ __ __ __ __ __ __ __ __ __
circulation of CSF-- Correct Answer ✔✔ Ependymal Cells
__ __ __ __ __ __ __
What are the 2 types of neuroglia in the PNS?-- Correct Answer ✔✔ Schwann and
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
satellite cells __
What type of motor neuron directly supplies skeletal muscle fibers?-- Correct Answer
__ __ __ __ __ __ __ __ __ __ __ __
✔✔ lower motor neurons
__ __ __
What do all of these factors contribute to?
__ __ __ __ __ __ __
1. Unequal distribution of ions in the ECF and cytosol
__ __ __ __ __ __ __ __ __
2. Inability of most anions to leave the cells
__ __ __ __ __ __ __ __
3. Electrogenic nature of the sodium potassium atpases-- Correct Answer ✔✔ Resting
__ __ __ __ __ __ __ __ __ __ __ __
membrane potential __
Hyperpolarized cells are _______ negative inside ?-- Correct Answer ✔✔ More __ __ __ __ __ __ __ __ __ __
