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Which of these is NOT one of the main divisions of the adult brain?
Autonomic centers that control blood pressure, heart rate, and digestion are located in the ...?
The third and fourth ventricles are linked by a slender canal designated as the ....
aqueduct of the midbrain
The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the ....
What contains a spiderweb-like network of cells and fibers through which cerebrospinal fluid flows?
Which of the following is NOT a function of cerebrospinal fluid?
-provides cushioning for delicate neural tissues.
-provides buoyant support for the brain.
-acts as a transport medium for nutrients.
-provides ATP for impulse transmission
-acts as a transport medium for waste products
-provides ATP for impulse transmission.
Which of the following help to protect the brain?
-the bones of the skull
-the cranial meninges
-or all of the above
All of the above
Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the ....
The region of the cerebral cortex superior to the lateral sulcus is the ...
parietal lobe and the frontal lobe
Damage to the somatic motor association area of the frontal lobe would interfere with the ability to ....
play the piano
After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the _________ lobe.
After suffering a BLOW to the back of the head, Phil loses his vision. The blow probably caused damage to the ...
A (n) ________ is a printed record of the brain's electrical activity over a period of time.
If a friend is talking about someone she knows who lost his special senses, you would correct her when you hear her mention _____, because it is not a special sense.
-functions to maintain proper posture and equilibrium.
-receives input from the motor cortex and basal nuclei.
-compares intended movement to actual movement.
-if damaged leads to uncoordinated and jerky movements.
-has all of these characteristics
Your uncle was just diagnosed with a heart attack. One of his major symptoms is left arm pain. You are not surprised because you are familiar with the phenomenon of .....
The ___________ division of the autonomic nervous system is known as the "rest and digest" division.
Ganglionic neurons innervate such things as .....
-ALL OF THESE
A person is confronted by a dangerous dog. His heart begins to race and beat strongly, his pupils dilate, and his hairs stand up. These signs are the result of .....
-increased levels of epinephrine in the blood
-increased activity of autonomic centers in the hypothalamus.
-ALL OF THE ABOVE
Olfactory receptors send axons through the cribiform plate. They synapse on neurons in the ....
The __________ ear collects sounds waves and transmits them to the _________ ear, which contains auditory ossicles.
Which of these anatomical sequences is correct?
tympanum - malleus - incus - stapes - oval window - round window.
Which of the following descriptions best matches the term ossicles?
transmit movement of the tympanic membrane to the inner ear
The vibrations received by the tympanic membrane are transferred to the oval window by the ...
Which of the following is a function of tears?
-lubricate the eye,
-wash away debris
-nourish the cornea and conjunctiva
ALL OF THE ABOVE
__________ are chemical messengers that are released in one tissue and transported in the bloodstream to alter the activities of specific cells in other tissues.
The pituitary hormone that triggers the release of thyroid hormone from the thyroid gland is:
TSH - thyroid stimulating hormone
After brain surgery, a patient receiving postoperative care in an intensive care unit began to pass large volumes of very dilute urine. The ICU nurse administered a medicine that mimics one of the following hormones. Which one?
Identify the hormone on the picture of the hypothalamus.....
-thyroxin (thyroid hormones)
Which of the following is a function of the blood?
-transport of nutrients and wastes
-transport of body heat
-transport of gases
-defense against toxins and pathogens
ALL OF THE ABOVE
Plasma composes about _________ percent of whole blood, and water composes _________ percent of the plasma volume.
Each of the following is a characteristic of whole blood, EXCEPT a:
viscosity about the same as water.
Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it wiht various antisera. His blood cells agglutinate when mixed with the anti-A sera but not with the anti-B or anti-D sera. This means:
-Bill could receive type A negative blood in a transfusion.
-Bill could donate blood to an individual with type AB blood.
-Bill is Rh negative.
-Bill's plasma contains B antibodies
ALL OF THE ABOVE
Which of these descriptions best matches the term lymphocytes?
defend against specific pathogens or toxins
In adults, the only site of red blood cell production, and the primary site of white blood cell formation, is the:
red bone marrow
_________ involves a cascade of reactions leading to the conversion of fibrinogen to fibrin.
Oxygen, waste, nutrients, and other molecules exchange by diffusion with tissue cells in which of the following locations?
Which of the following is not a characteristic of venous valves?
channeling blood away from the heart
Which of the following breaks the rule that arteries carry oxygenated blood away from the heart?
In the middle of the thoracic cavity is a region occuppied by the heart, great vessels, thymus, esophagus, and trachea called the....
The interventricular sulci and coronary sulcus contain:
>all of the above
>none of the above
all of the above
Identify the pulmonary semilunar valve....
the valve between the right ventricle and the pulmonary arch
Identify the papillary muscles....
the muscles that pull the valves of the tricuspid valve open and shut
If a patient's tricuspid valve was leaking during systole, what would happen?
regurgitation into the right atrium
The primary function of the lymphoid system is...
defending the body against both environmental hazards and internal threats.
Compared to blood capillaries, lymph capillaries exhibit all of the following, except that they...
are larger in diameter
Lymphoid organs differ from lymphoid tissues in what way?
They are surrounded by a fibrous capsule and lymphoid tissues are not.
Examples of physical barriers against pathogens include:
>all of the above
all of the above
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