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Anatomy Weeks 6-12
Study Stack aids for weeks 6-12
| Question | Answer |
|---|---|
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle | Tone |
| The common tendon of the gastrocnemius and soleus is called the | calcaneal tendon |
| 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 |
| A muscle with fascicles that insert into only one side of the tendon is categorized as | unipennate |
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior |
| Movement is one of the most distinctive and easily observed " characteristics of life" | True |
| A signal conduction route to and from the central nervous system is a(n) | reflex arc |
| Which of these glia cells are located in the peripheral nervous system | Schwann cells |
| The _______ of a neuron is a single process that usually extends from a tapered portion of the cell body | Axon |
| Nerves that originate from the brain are called _____ nerves | cranial |
| The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions |
| Individual nerves that emerge from the ______ plexus innervate the lower part of the shoulder and the entire arm. | brachial |
| How many pairs of spinal nerves are connected to the spinal cord | 31 |
| Gel-like structure embedded with the tips of the cochlear hair cells | tectorial membrane |
| The basilar membrane supports the | spiral organ |
| 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 |
| Transparent mucous membrane covering the inner surface of the eyelid. | conjuctiva |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | the thyroid |
| Pancreatic cell type that produces insulin. | beta cells |
| The difference between systolic pressure and diastolic pressure is called | pulse pressure |
| Which are the two baroreceptors that are located near the heart? | Aortic baroreceptors and carotid baroreceptors |
| Which two factors promote the return of venous blood to the heart? | Blood- pumping action of respirations and skeletal muscles contractions |
| Factors that affect the strength of myocardial contraction are called | inotropic factors. |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | perfusion pressure. |
| 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 |
| Cardiac output is determined by | stroke volume and heart rate. |
| The vagus is said to act as a "brake" on the heart. This situation is called | vagal inhibition |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of | vasodilation |
| The primary organ of the lymphatic system is the | thymus |
| The lymph nodes locate in the groin are called the: | inguinal lymph nodes. |
| The size of lymph nodes varies from ____ mm to more than ____mm in diameter. | 1;20 |
| An infection in the thumb may result in enlargement of the _____nodes. | superficial cubital |
| Masses of lymphoid tissue located in a protective ring under the mucus membranes in the mouth and the back of the throat are called, | tonsils. |
| An inflammation of the lower respiratory tract that involves the airways of the lungs is called | pnuemonia |
| The roof of the nose is separated from the cranial cavity by a portion of the ethmoid bone called the | cribriform plate. |
| The trachea divides at its lower end into two | primary bronchi |
| 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 |
| A common condition characterized by acute inflammation of the tracheobronchial tree is | acute bronchitis |
Created by:
MsVernell74
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