True & False Final Questions Flashcards
The highest level of structural organization in humans is the organ level.
False.
The endocrine system is the fastest acting body control system.
False.
The spleen and the tonsils are part of the digestive system.
False.
The lymphatic system collects fluids leaked by the cardiovascular system and return them to the bloodstream.
True.
Excretion is the process of removing waste from the body.
True.
Most homeostatic control mechanisms are negative feedback reactions.
True.
As body temperature drops below normal, chemical reactions proceed to rapidly and body proteins begin to break down.
False.
The sacral region is on the ventral anterior body surface.
False.
The heel of the foot constitutes the planter region.
False.
Proximal means farther from the origin of a body part.
False.
The hypogastric region is directly superior to the umbilical region.
False.
The thoracis cavity is separated from the of Domino pelvic cavity by the diaphragm.
True.
The spinal cavity is part of the ventral body cavity.
False.
The dorsal body cavity is subdivided into four quadrants and nine regions.
F
There is no physical structure that separates the abdominal cavity from the pelvic cavity.
True
Myla nation of nerve fibers is the central nervous system is the job of the oligodendrocyte.
True.
Oligodendrocytes produce myelin sheaths in the PNS.
False.
The nodes of ranvier are found at regular intervals only on myelinated peripheral nerve fibers.
True.
Cell bodies of sensory neurons are always located in ganglia lying outside the central nervous system.
True.
And afferent sensory neuron carry stimuli from the central nervous system to the effector.
False.
Sensory neurons carry information away from the CNS.
False.
Bipolar neurons are rare in adults.
True.
Be all or none phenomenon is applied to nerve condition states that the whole nerve cell must be stimulated for conduction to take place.
False.
Reflexes are rapid predictable an automatic responses to stimuli.
True.
Saltatory conduction occurs due to the presence of salt NaCL around the neuron.
False.
A polarized neuron has fewer positive ions inside in comparison to the outside of the neuron.
True.
Difficulty in breathing may reflect damage to respiratory centers located in the cerebellum.
False.
One of the major functions of the pons is to produce releasing factors that control the function of the anterior pituitary.
False.
Part of the diencephalon structure is formed by the hypothalamus.
True.
Cerebrospinal fluid circulates within the ventricles of the brain and also in the subarachnoid space outside the brain.
True.
The collection of spinal nerves at the inferior end of the spinal cord is called the cuada equina.
True.
There is no possibility of damaging the spinal cord below the third lumbar vertebra.
True.
The glossopharyngeal nerve is the only carnal nerve pair that contains sensory fibers.
False.
Carnial nerve XI is the accessory nerve that controls tongue movement.
False.
There are 31 pairs of Carniel nerves and 12 pairs of spinal nerves.
False.
The musculocutaneous nerve is a major nerve of the branchial plexus.
True.
Sympathetic postganglionic fibers release norepinephrine and the preganglionic axon releases acetylcholine.
True.
In contrast to the parasympathetic division, The synthetic division has numerous ganglionic neurons in the gray matter of the spinal cord.
False.
Most body organs are innervated by only the sympathetic division of the nervous system.
False.
Neurons in adults do not undergo mitosis.
True.
Exit crane glands are considered ductless glands because they release their hormones into the blood or lymph.
True.
The endocrine system is generally faster than the nervous system and coordinating the activities of body cells.
False.
Most hormones are regulated by a negative feedback mechanism.
True.
Releasing and inhibiting hormones produced by the hypothalamus travel to the anterior pituitary through the blood of the portal circulation.
True.
The pituitary gland is found in the brain closely associated with the hypothalamus.
True.
Hypersecretion of growth hormone during childhood leads to pituitary dwarfism.
False.
The target tissue of prolactin is the female breast.
True.
Neurosecretory cells transport oxytocin and antidiuretic hormone to the anterior pituitary gland for storage.
False.
The posterior pituitary gland stores the hormones it releases, but does not manufacture them.
True.
Vasopressin is another name for antidiuretic hormone.
True.
Hyposecretion of FSH or LH leads to sterility in both females and males.
True.
Alcohol can suppress the production of antidiuretic hormone.
True.
Diabetes insipidus is caused by hypersecretion of insulin.
False.