What are the functions of a skeleton?
- produce blood cells
- provide sites for muscle attachment
- protects internal organs
Another name for the collarbone is -
clavicle
What muscle is the prime mover of the hamstrings?
biceps femoris
Order for a reflex arc -
- sensory receptors generate nerve signals
- sensory neurons pass signals to interneurons
- interneurons synapse with motor neurons
- nerve signals travel along motor fibers to an effector
- there is a response to the stimulus
A bone that is broke but does not pierce the skin is -
simple fracture
What type of receptor responds to changes in temperature?
thermoreceptor
Destruction of the macula lutea that contains the fovea centralis results in -
macular degeneration
Aphasia is characterized by the inability to -
speak
What supplies the energy for muscle contraction?
ATP
The sensory receptors for taste are located in -
taste buds
Meningitis refers to -
inflammation of the meginges
What ion is responsible for initiating muscle contraction?
Ca2+
What are the bone-eating (reabsorbing) cells?
osteoclasts
The thoracic vertebrae are associated with the ribs.
True
The brain stem contains the midbrain, the pons, and the medulla oblongata.
true
The bone of the upper arm is -
humerus
The junctions between one neuron and another neuron are called -
synapses
Which disorder of the eye is due to the cornea or lens being uneven resulting in a fuzzy image?
astigmatism
Which of the following is a condition where our own immune system attacks the myelin sheath?
multiple sclerosis
The muscle that abducts and extends the humerus is the -
deltoid
What are the lobes of the cerebral hemisphere?
- frontal
- parietal
- temporal
- occipital
The clouding of the lens is an aging condition of the eyes called -
cataracts
What do the ventricles of the brain contain?
cerebrospinal fluid
Wernicke's area is associated with -
the ability to speak
Another name for the breastbone is the sternum.
true
What is an example of a long bone?
femur
To raise the mandible during chewing you would need to contract what muscle?
the masseter
The origin of a muscle is on a stationary bone.
true
What structure attaches a muscle to bone?
tendons
What is associated with the PNS but not the CNs?
Schwann cells
Which of the following is mismatched:
- sensory nerves - afferent
- motor nerves - efferent
- somatic motor nerves - smooth muscle, cardiac muscle, glands
- somatic sensory nerves - skin, muscles, joints, special senses
- visceral sensory nerves - body organs
somatic motor nerves
The end of a long bone is the -
epiphysis
What are examples of chemoreceptors?
taste and olfaction
What is not a type of neuron?
neuroglia
The structure that produces tears is called the -
lacrimal gland
What is the name of sudden and involuntary muscular contraction, often accompanied by pain?
spasm
What are the primary tastes?
sweet, bitter, salty
The muscle that extends the forearm is the -
triceps brachii
The two types of nerves in the peripheral nervous system are cranial nerves and spinal nerves.
True
The polio virus tends to multiply in sensory neurons and can lead to paralysis.
falso
The place where the optic nerve exits the eye is the -
blind spot
The olfactory receptors are located -
on nasal mucosa cilia
In the peripheral nervous system, neuroglia called ________ form the myelin sheath.
Schwann cells
Gustation and olfaction rely on each other to give complete perceptions of taste and smell.
True
Which brain system receives sensory information from the skin, skeletal muscles and tendons?
somatic system of the PNS
Proprioceptors are involved in the sense of -
limb position
The spinal cord belongs to the -
central nervous system
The motor speech area is found in the left frontal lobe and called -
Broca's area
Photoreceptors are located in the -
retina
The part of the brain that regulates essential functions such as breathing, blood pressure, and heart rate is the -
medulla oblongata
Which is the largest part of the brain?
cerebrum
Nocioceptors
- are stimulated by chemicals released from damaged tissues
- detect pain
- are found in internal organs
A ligament connects -
bone to bone
Of the three types of muscle tissue, which is voluntary?
skeletal muscle
The feeling of pain on the body surface that has its origin in an internal organ is called -
referred pain