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Angel Frimpong
Physiology week 8 to 16
| Question | Answer |
|---|---|
| Membrane potential recorded at +30mV is what type of membrane potential | Action |
| Synovial joints are | freely movable |
| Skeletal muscles are innervated by: | somatic motor neurons |
| When neurotransmitters from synaptic knobs stimulate a postsynaptic neuron in rapid succession, their effect can add up over a brief period to produce an action potential. This is called. | temporal summation |
| A synaptic knob would be located on a (n): | axon |
| Which hormone is released by the pituitary to stimulate the thyroid gland? | thyrotropin |
| Which hormone produced by the adrenal glands is responsible for mobilization of energy stores? | cortisol |
| The olfactory tract carries impulses associated with: | smell |
| A decrease in the amount of white blood cells is called | leukopenia |
| The normal cardiac impulse that initiates mechanical contraction of the heart arises in the | SA node |
| Gas exchange, the lungs' main and vital function, takes place in the: | alveoli |
| Spirometry is used to measure | expiratory reserve volume, tidal volume, inspiratory capacity |
| Lymph is filtered by the | lymph nodes |
| Lymphatic organs produce | lymphocytes |
| The purpose of the lymphatic system is to | fight against infection |
| Variations that exist in the body that temporarily store or carry oxygen | neuroglobin, myoglobin, fetal hempglobin |
| Internal respiration can be defined as | the exchange of gases between the blood capillaries and the tissue cells. |
| The ingestion and destuction of microorganisms or other small particles is called | phagocytosis |
| Lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses are known as | natural killer cells |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava |
| A type of abnormal heart sound that may signify incomplete closing of the valves is | a heart murmur |
| The normal ECG is composed of all of the following | P wave, QRS complex, T wave |
| Each skin surface are supplied by sensory fibers of a given spinal nerve is a | dermatone |
| The set of coordinated commands that control the programmed muscle activity mediated by extrapyramidal pathways is called the | motor program |
| 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 |
| After blood leaves the lungs and returns to the heart, it enters the | left atrium |
| The four structures that compose the conduction system of the heart are | SA node, AV node, AV bundle, and Purkinje fibers |
Created by:
anketiah