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Human Anatomy

QuestionAnswer
Which are the two baroreceptors that are located near the heart? aortic baroreceptors and carotid baroreceptors
The vagus is said to act as a “brake” on the heart. This situation is called vagal inhibition.
Which two factors promote the return of venous blood to the heart? blood-pumping action of respirations and skeletal muscle contractions
Endolymph-filled structure containing receptors for hearing. cochlear duct
Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. adrenal gland
Transparent structure of the eye containing regularly aligned collagen fibers. cornea
Which of the following areas has the highest concentration of cones? the fovea centralis
Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called tonsils.
The cisterna chyli: originates in the thoracic duct.
The spleen is located in the _____ region. left hypochondriac
Lymph ducts empty into the circulatory system, draining into the: subclavian veins
Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the lymphocyte
The breast—the mammary gland and surrounding tissue—is drained by the: lymphatics that originate in and drain the substance of the breast itself, as well as the skin of the areola and nipple. lymphatics that originate in and drain the skin over the breast with the exception of the areola and nipple.
Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? Hydrochloric acid
The structure referred to as the pacemaker of the heart is(are) the: SA node
Which layer of the larger blood vessels is made up of endothelium? tunica intima
_____ is used to determine the volume percentage of red blood cells in whole blood. Hematocrit
The outermost layer of the larger blood vessels is the tunica adventitia
Created by: sebastianley
 

 



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