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QuestionAnswer
The covering of individual muscle fibers is the: Endomysium
The linea alba is a band of connective tissue that runs over the rectus abdominis from the xiphoid process to the pubis. True
Another name for a sphincter muscle is a _____ muscle. Circular
Skeletal muscles constitute approximately ____ of our body weight. 50%
The soleus muscle is an example of a _____ muscle. Pennate
Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: Perimysium
How many pairs of spinal nerves are connected to the spinal cord? 31
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the Gray matter of the thoracic and upper lumbar segments of the spinal cord.
A subdivision of the nervous system that regulates involuntary effectors is the _____ nervous system. Autonomic
The sensory cranial nerves include only the: Olfactory, optic, and vestibulocochlear.
Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae? Cervical
The layer of the meninges that serves as the inner periosteum of the cranial bone is the: dura mater.
Several “vital centers” are located in the: medulla
The main divisions of the central nervous system are the: Bbrain and spinal cord.
All cell bodies of the autonomic nervous system are located within the CNS. False
Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood. Subarachnoid space
Which of the following minerals is essential for the formation of thyroid hormone? iodine
Which of the following areas has the highest concentration of cones? the fovea centralis
Which endocrine gland stores enough of its hormone extracellularly to last several months? the thyroid
The basilar membrane supports the spiral organ.
Region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm. adenohypophysis
Melanin-containing layer of the eye's vascular tunic. choroid
Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells. adrenal gland
Hormone that inhibits osteoclast activity in children. calcitonin
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is erythropoietin.
The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called semilunar valves
The internal iliac artery supplies blood to the pelvis.
The four structures that compose the conduction system of the heart are the SA node, AV node, AV bundle, and Purkinje fibers.
The bulk of the heart wall is the thick, contractile middle layer called the myocardium.
In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. vascular anastomoses
After blood leaves the lungs and returns to the heart, it enters the left atrium
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 lymph nodes located in the groin are called the: inguinal lymph nodes.
Hassall corpuscles are part of the: thymus.
Antibodies are proteins of the family called immunoglobulins.
The main difference between the composition of lymph and interstitial fluid and the composition of plasma is the _____ percentage of _____ in lymph and interstitial fluid. proteins
A common condition characterized by acute inflammation of the tracheobronchial tree is acute bronchitis.
Which organ consists largely of cartilages that are attached to one another and to surrounding structures by muscles or fibrous and elastic tissue components? larynx
The small leaf-shaped cartilage that projects upward behind the tongue and hyoid bone is the epiglottis.
The smallest branches of the bronchial tree are: bronchioles.
The respiratory portion of the nasal passage is lined with a mucous membrane made up of _____ epithelium. pseudostratified columnar
Created by: edauda
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