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Sharice Dominguez
Human Anatomy Week 6-14
| Question | Answer |
|---|---|
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Flexor |
| The latissimus dorsi muscle is an example of a _____ muscle. | Spiral |
| The soleus muscle is an example of a _____ muscle. | Pennate |
| Another name for a skeletal muscle cell is? | Muscle fiber |
| The muscle(s) assisting in rotating the arm outward is? | Teres minor |
| he pectoralis major muscle is an example of a _____ muscle. | Convergent |
| The muscle that raises or lowers the shoulders or shrugs them is? | Trapezius |
| The posterior arm muscle that extends the forearm is? | Triceps brachii |
| Another name for a sphincter muscle is a _____ muscle. | Circular |
| Groups of skeletal muscle fibers are bound together by a connective tissue envelope called? | Perimysium |
| The covering of individual muscle fibers is? | Endomysium |
| Gray matter in the brain and spinal cord consists primarily of? | Cell bodies |
| Nerves that contain mostly afferent fibers are called _____ nerves. | Sensory |
| Dendrites conduct impulses _____ cell bodies. | Toward |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | Sympathetic and parasympathetic |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n)? | Sensory neuron |
| A neuron that has only one axon but several dendrites is classified as a _____ neuron. | Multipolar |
| The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is? | Somatic nervous system |
| Small distinct regions of gray matter in the CNS are called? | Nuclei |
| The largest and most numerous types of neuroglia are? | Astrocytes |
| Along a neuron, the correct pathway for impulse conduction is? | Dendrite, cell body, and axon. |
| Fascicles are held together by a connective tissue layer called? | Perineurium |
| Regeneration of nerve fibers will take place only if the cell body is intact and the fibers have? | neurilemma |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| The main divisions of the central nervous system are? | Brain and spinal cord |
| Spinal nerves are _____ fibers. | Motor and sensory |
| The innermost layer of the meninges is? | Pia mater |
| Cerebrospinal fluid circulates through the ventricles, into the central canal, and _____, and is absorbed back into the blood. | Subrarachnoid space |
| There are _____ ventricles in the brain. | Four |
| Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae? | Cervical |
| The spinal ganglion can be found on the _____ of the spinal nerve. | Dorsal nerve root |
| The spinal tract is located on the side of the cord, originates in the brain, and terminates in the spinal cord in the _____ tract. | Lateral corticospinal |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is? | Dura mater |
| The brain has _____ major divisions. | Six |
| The phrenic nerve is found in the _____ plexus. | Cervical |
| The nerve commonly called the vagus nerve is the _____ cranial. | Tenth |
| The part(s) of the cerebrum associated with anger, fear, and sorrow are? | Limbic system |
| The lumbar plexus gives rise to the _____ nerve. | Femoral |
| Which part of the brain releases the hormone melatonin? | Pineal gland |
| Receptors for hearing are located in the? | Cochlear duct |
| Which of the following minerals is essential for the formation of thyroid hormone? | Iodine |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | Thyroid |
| Hormone that inhibits osteoclast activity in children? | Calcintonin |
| Which types of arteries are also called conducting arteries and include the aorta? | Elastic arteries |
| The normal cardiac impulse that initiates mechanical contraction of the heart arises in the? | SA node |
| Which mature cell has no nucleus, mitochondria, or ribosomes? | Erythrocyte |
| From which vessels do myocardial cells receive blood? | Coronary arteries |
| 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 |
| Which layer of the larger blood vessels is made up of endothelium? | Tunica intima |
| The _____ is(are) supplied with blood from the left subclavian artery. | Head and upper extremities |
| The _____ drains much of the superficial leg and foot. | Great saphenous vein |
| In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. | Vascular anastomoses |
| The internal environment of the human body is protected by the _____, which is(are) referred to as the first line of defense. | Skin |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | Thymocytes |
| Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? | Hydrochloric acid |
| The spleen is located in the _____ region. | Left hypochondriac |
| An infection in the thumb may result in enlargement of the _____ nodes. | Superficial cubital |
| The lymph nodes located just above the bend of the elbow are called the _____ lymph nodes. | Supratrochlea |
| The tonsils located near the posterior opening of the nasal cavity are called the _____ tonsils. | Pharyngeal |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. | Cell-mediated |
| The respiratory system can be divided into what two parts? | Upper respiratory tract and lower respiratory tract |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
| Which of the following is not lined with a ciliated mucous membrane? | Vestibule |
| Which of the following structures is anatomically the longest? | Ileum |
| The type of tissue designed for absorption and secretion found throughout much of the GI tract is _____ epithelium. | Simple columnar |
| Phagocytic cells lining liver sinusoids are called _____ cells. | Kupffer |
| The walls of the GI tract are composed of ____ layers of tissue. | Four |
| The part of the colon that lies in the vertical position, on the left side of the abdomen, extending from a point below the stomach and spleen to the level of the iliac crest is the _____ colon. | Descending |
| Which of the following papillae of the tongue lack taste buds? | Filiform |
| Approximately how much saliva do the three pairs of compound tubuloalveolar glands (parotids, submandibulars, and sublinguals) secrete each day? 200 ml | 1 liter |
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sharicedominguez