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Billie Gonzalez

Anatomy Week 6-12

QuestionAnswer
This arrangement of muscle fascicles tends to be triangular in shape. The Pectoralis major is an example of a muscle with this type of muscle fascicle arrangement. convergent
Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance. parallel
The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in parallel.
The common tendon of the gastrocnemius and soleus is called the calcaneal tendon
The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible. parallel
The point of attachment that does not move when the muscle contracts is the origin.
The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the serratus anterior.
The fibrous connective tissue that surrounds the entire muscle and is outside the epimysium and tendon is called the fascia.
A muscle with fascicles that insert into only one side of the tendon is categorized as unipennate.
Muscles that move the forearm include which of the following? brachioradialis, pronator teres, biceps brachii
The individual muscle fibers are covered by a connective tissue membrane called the endomysium
Muscles that move the upper arm originate on the: clavicle and scapula.
All of the following muscles are part of the rotator cuff muscles except the: deltoid.
The flexor muscles that move the fingers are mostly located on the: anterior medial surface of the forearm.
Which is true of a reflex arc? It always consists of an afferent neuron and an efferent neuron.
Nerves that contain mostly afferent fibers are called _____ nerves. sensory
The afferent pathways of the autonomic nervous system: carry feedback information to integrating centers in the brain.
The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the somatic nervous system.
Neurons in the CNS have less chance of regenerating for all of the following reasons except: microglia lay down scar tissue
Most unipolar neurons are usually: sensory neurons.
The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. sympathetic and parasympathetic
Which of the following is the deepest connective tissue layer of a nerve? Endoneurium
Dendrites conduct impulses _____ cell bodies. toward
In the human nervous system: there are almost equal numbers of glia cells and neurons.
Effectors that have single innervation by the autonomic nervous system are innervated only by the parasympathetic division. False
Spinal nerves are _____ fibers. motor and sensory
There are _____ ventricles in the brain. four
Cerebrospinal fluid is found in all of the following except the: subdural space.
The nerve commonly called the vagus nerve is the _____ cranial. tenth
Visceral effectors are innervated by sympathetic fibers. True
The areas specializing in language functions are found in the left cerebral hemisphere in: about 90% of the population.
All cell bodies of the autonomic nervous system are located within the CNS False
All of the following are characteristics of sympathetic preganglionic neurons except: they have long fibers from CNS to ganglion.
The brainstem does not include the: cerebellum.
The main divisions of the central nervous system are the: brain and spinal cord.
Parasympathetic neuron cell bodies are located in: nuclei of the brainstem and the lateral gray columns of the sacral cord.
Class of hormones secreted during chronic stress that depress immune function. glucocorticoids
Endocrine gland of the thorax that is also important in immune function. thymus gland
Region of the adrenal cortex that secretes DHEA zona reticularis
Which of the following endocrine glands develops primarily from the endoderm of the pharynx? thyroid and parathyroids
Endolymph is made in the stria vascularis.
Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? hypothalamic appetite centers
Receptors for hearing are located in the cochlear duct
Fluid filling the posterior segment of the eye. vitreous humor
Which endocrine gland stores enough of its hormone extracellularly to last several months? the thyroid
Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: hematopoietic stem cells.
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
Atria are often called _____ because they receive blood from vessels called veins. receiving chambers
A decrease in the amount of white blood cells is called leukopenia.
The brachiocephalic vein drains blood from the head, neck, and upper extremity
The normal ECG is composed of all of the following except a E wave.
The internal iliac artery supplies blood to the pelvis.
Which division of the autonomic nervous system sends fibers to the heart? sympathetic and parasympathetic
A graphic record of the heart’s electrical activity is a(n) ECG
Chemotaxis is the process by which a cell navigates toward the source of the chemotactic factor by way of detecting and then moving toward higher concentrations of the factor
Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses are known as natural killer cells.
During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. thymocytes
Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a germinal center.
The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense skin
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
Recognition of antigens by antibodies occurs when an antibody’s epitopes fit into and bind to an antigen molecule’s antibody-binding site
Activities that result in central movement or flow of lymph are called immunoglobulins
Which of the following is true of the intrinsic muscles of the larynx? They serve in voice production.
The respiratory portion of the nasal passage is lined with a mucous membrane made up of _____ epithelium. pseudostratified columnar
the anatomical division of the pharynx that is located behind the mouth from the soft palate above to the level of the hyoid bone below is called the oropharynx.
The approximate length of the trachea, or windpipe, is _____ cm. 11
The upper respiratory tract includes all of the following structures except the: trachea.
The hollow nasal cavity is separated by a midline partition called the: septum
The structures that deflect air as it passes through the nose are called: conchae
Gas exchange, the lungs’ main and vital function, takes place in the: alveoli.
Paranasal sinuses are normally filled with: air.
In the right lung, the superior and middle lobes are separated by the: horizontal fissure
The lower border of the cavity of the larynx is formed by the: cricoid cartilage.
The function of surfactant is to: prevent each alveolus from collapsing as air moves in and out during respiration.
The function of the vibrissae in the vestibule is to: provide an initial “filter” to screen particulate matter from air that is entering the system.
Which of the following is true of the cribriform plate? It separates the nasal and cranial cavities
The more common name for the pharynx is the: throat.
The small, leaf-shaped cartilage behind the tongue and hyoid bone is the: epiglottis
Which of the following is not a function of the pharynx? Determines the quality of the voice
Created by: Billie Gonzalez
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