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Billie Gonzalez
Anatomy Week 6-12
| Question | Answer |
|---|---|
| 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 |
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Billie Gonzalez
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