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Anatomy G.R
Anatomy week 6-12
| Question | Answer |
|---|---|
| In addition to the Pectoralis major, another muscle that displays this pattern of fascicle arrangement is Latissimus dorsi. | Convergent |
| The four kinds of protein that make up myofilaments are: | myosin, actin, tropomyosin, and troponin |
| Three phases of the twitch contraction are the: | latent period, contraction phase, and relaxation phase |
| Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? | Isometric |
| T/F Most body movements are isotonic contractions? | True |
| Thick myofilaments extend the length of the: | A-band |
| What chemicals allow neurons to communicate with one another? | Neurotransmitters |
| The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite direction and at different rates is the? | sodium-potassium pump |
| Which membrane receptor acts to directly change ion permeability when stimulated? | Gated-channel receptor |
| what are the two types of synapses? | Electric Synapse and Chemical Synapse |
| T/F The outside of the plasma membrane is negatively charged, and the inside is positively charged. | True |
| what are Dopamine, epinephrine, and norepinephrine are classified as: | Catecholamines |
| Which cranial nerve is responsible for the sense of smell? | Olfactory |
| What nerve transmits impulses that result in sensations of equilibrium? | Vestibular |
| The groove between the frontal and parietal lobes of the cerebral cortex is the | Central Sulcus |
| Dendrites and cell bodies of sympathetic preganglionic neurons are located in the | gray matter of the thoracic and upper lumbar segments of the spinal cord. |
| Formation of the cerebrospinal fluid occurs in the | choroid plexus |
| The inner protective covering of the brain is called the | meninges |
| A subdivision of the nervous system that regulates involuntary effectors is? | Autonomic |
| The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions |
| Gel-like structure embedded with the tips of cochlear hair cells | tectorial membrane |
| Pyramid-shaped gland consisting of neural crest-derived cells and endocrine secretory cells | Adrenal Glands |
| Pancreatic cell type that produces insulin | Beta Cells |
| T/F Iodine is a mineral essential for formation of thyroid hormone | True |
| A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | Erythropoietin |
| The free edges of the atrioventricular valves are anchored to the? | Papillary muscles |
| What are the 4 structures that compose the conduction system of the heart? | SA node, AV node, AV bundle, and Purkinje fibers |
| Microscopic vessels that carry blood from small arteries to small veins are? | Capillaries |
| Which mature cell has no nucleus, mitochondria, or ribosomes? | Erythrocyte |
| After blood leaves the lungs and returns to the heart, it enters the | Left atrium |
| T/F The pancreas is a lymph organ | False |
| What is the primary organ of the lymphatic system? | Thymus |
| The spleen is located in what region? | Left hypochondriac |
| What is the approximate length of the trachea, or windpipe? | 11 cm |
| what are the two parts the respiratory system is divided in? | Upper respiratory tract and lower respiratory tract |
| Paranasal sinuses are normally filled with? | Air |
| another common name for pharynx is called the | Throat |
Created by:
gwenrod
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