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Morgan Smith
Week 6-12 Anatomy
| 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 |
| The Sartorius muscle, a thin straplike muscle would have muscle fascicles arranged in | parallel |
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior |
| The point of attachment that does not move when the muscle contracts is the | origin. |
| The innermost muscle of the abdominal wall is the | transverse abdominis. |
| A muscle with fascicles that insert into the tendon from both sidesis categorized as | bipennate. |
| The term _____ is used to describe a muscle that directly performs a specific movement | agonist |
| The long axes of the fascicles run parallel to the long axis of the muscle is a description of this type of fascicle arrangement. | circular |
| The action of the brachialis muscle is to _____ the forearm. | flex |
| Which of the following statements about the muscles of the head is incorrect? | The splenius capitis muscle is sometimes called the prayer muscle because it causes the head to bow. |
| The pectoralis major muscle is an example of a _____ muscle. | convergent |
| The teres major and teres minor muscles move the: | arm. |
| The flexor muscles that move the fingers are mostly located on the: | anterior medial surface of the forearm. |
| Muscles that contract at the same time as the prime mover are called: | synergists. fixators. |
| Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs. |
| Which of the following is not a posterior muscle that acts on the shoulder girdle? | Pectoralis minor |
| The somatic nervous system carries information to the | skeletal muscles. |
| Which of the following is not a structural classification of neurons? | polar |
| These regions of the neuron direct electrical currents toward the cell body. | dendrite |
| The afferent pathways of the autonomic nervous system: | carry feedback information to integrating centers in the brain. |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n): | sensory neuron |
| Which letter indicates the aortic plexus? | D |
| Which letter indicates a lamellar corpuscle (Pacinian corpuscle) that rapidly adapts to deep pressure stimuli? | D |
| Which letter indicates the cranial nerve with nerve fibers that pass through the hypoglossal canal? | E |
| Which letter indicates the celiac ganglion and plexus? | C |
| Which letter indicates Wernicke's area, which is important for understanding spoken words? | D |
| The three divisions of the brain that make up the brainstem are the | medulla oblongata, midbrain, and pons. |
| Which letter indicates the primary somatosensory cortex? | C |
| “Fight-or-flight” physiological changes include all of the following except: | constriction of respiratory airways. |
| Parasympathetic neuron cell bodies are located in: | nuclei of the brainstem and the lateral gray columns of the sacral cord. |
| Which of the following is not true of the lateral corticospinal tract fibers? | Most inhibit the lower motor neuron. |
| Conduction to autonomic effectors requires only one efferent neuron. | False |
| Cerebrospinal fluid is found in all of the following except the: | subdural space. |
| The pyramids are formed in the: | medulla. |
| The innermost layer of the meninges is the: | pia mater. |
| Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae? | Cervical |
| The peripheral nervous system includes: | only cranial nerves, spinal nerves, and their branches. |
| In the diagram above #6 indicates | Olfactory neurons |
| Identify the letter that indicates a gland that regulates circadian rhythms. | C |
| Identify the letter that indicates a gland that secretes melatonin. | C |
| Which of the following is not part of the flow of taste sensation along the gustatory pathway to the cerebral cortex? | hypothalamic appetite centers |
| Identify the letter that indicates a gland that secretes corticosteroids. | D |
| The hormone produced by the heart | increases the excretion of sodium in the urine. |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| Hormone that inhibits osteoclast activity in children. | calcitonin |
| Pancreatic cell type that produces insulin. | beta cells |
| Which of the following statements does not correctly describe the spiral organ of Corti? | The tectorial membrane bends with vibrations, whereas the basilar membrane is rigid and fixed. |
| Endolymph is made | in the stria vascularis. |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| Which of the following areas has the highest concentration of cones? | the fovea centralis |
| Identify the letter that indicates the fraction of leukocytes that represents basophils. | C |
| Starling’s law of the heart states that, within limits, the longer, or more stretched, the heart fibers are at the beginning of the contraction, the | stronger the contraction. |
| Which are the two baroreceptors that are located near the heart? | aortic baroreceptors and carotid baroreceptors |
| Identify the letter that indicates formed elements of the blood that are important in blood clotting. | E |
| The brachiocephalic vein drains blood from the | head, neck, and upper extremity. |
| Which division of the autonomic nervous system sends fibers to the heart? | sympathetic parasympathetic |
| From which vessels do myocardial cells receive blood? | coronary arteries |
| The type of membranous tissue that lines the heart and blood vessels is the | endothelium. |
| During fetal circulation, what opening in the septum, between the right and left atria, directs most of the blood so that it bypasses the fetal lungs? | foramen ovale |
| The normal ECG is composed of all of the following except a | E wave. |
| Identify the letter that indicates collagen fibers that anchor lymphatic capillaries to surrounding connective tissue. | D |
| Identify the letter that indicates the smallest lymphatic vessel that collects lymph in the peripheral tissue. | B |
| Identify the letter that indicates where most nutrient and waste exchange occurs between the tissue and blood. | A |
| Identify the letter that indicates a vessel that carries oxygenated blood to peripheral tissues. | C |
| 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. |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. antibody-mediated | cell-mediated |
| The _____ postulates that when an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and to thereby produce more antibodies. | clonal selection theory |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | immunoglobulin M |
| Recognition of antigens by antibodies occurs when an | Antigen's epitopes fit into and bind to an antibody molecule's antigen-binding sites |
| The presentation of an antigen by an antigen-presenting cell activates the T cell. The cell then divides repeatedly to form a clone of identical sensitized T cells that form | effector T cells and memory cells. |
| An inflammation of the lower respiratory tract that involves the airways of the lungs is called | pneumonia. |
| The air-containing spaces that open, or drain, into the nasal cavity are called | paranasal sinuses. |
| The _____ of each lung lies against the ribs and is rounded to match the contours of the thoracic cavity. | costal surface |
| Identify the letter that indicates Ciliated cells in this layer transport mucus laden with dust, bacteria, pollen, and viruses towards the pharynx. | C |
| Identify the letter that indicates the vocal fold, or true vocal cord. | E |
| The surface of the respiratory membrane inside each alveolus is coated with a fluid containing | surfactant. |
| Gas exchange occurs only in the | alveoli |
| The vibrissae function as | filters. |
| If you were to trace the movement of air through the nose into the pharynx, it would pass through the following structures in which order? | anterior nares, vestibule, meatus, and posterior nares |
| The roof of the nose is separated from the cranial cavity by a portion of the ethmoid bone called the | cribriform plate. |
| The smallest branches of the bronchial tree are: | bronchioles. |
| 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 |
| In the right lung, the superior and middle lobes are separated by the: | horizontal fissure. |
| The small openings in the cribriform plate function to: | allow branches of the olfactory nerve to enter the cranial cavity and reach the brain. |
| Which of the following lists the correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |
| Which of the following is not a function of the pharynx? | Determines the quality of the voice |
| The hollow nasal cavity is separated by a midline partition called the: | septum. |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
Created by:
morgank00
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