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Yuseira Jimenez
Physiology Weeks 7-13
| Question | Answer |
|---|---|
| The brief period during which a local area of an axon's membrane resists re-stimulation is called the ___ period | Refactory |
| The difference between sodium and potassium in the generation of action potential is that: | Sodium causes depolarization of the cell membrane, and potassium causes repolarization of the cell membrane |
| Which membrane receptor acts to directly change ion permeability when stimulated | Gated-channel receptor |
| The fastest nerve fibers in the body can conduct impulses up to approximately ___ meters per second | 130 |
| Serotonin is an example of a(n) | Amine neurotransmitter |
| Acetylcholine binds to ___ receptors | Cholinergic |
| A ___ is a skeletal muscle or group of muscles that receives motor axons from a given spinal nerve | Myotome |
| The limbic system integrates | Emotion |
| The reticular activating system maintains | Consciousness |
| If the ventral nerve root of a spinal nerve were destroyed, a person would lose ___ related to that pathway | Willed movement |
| The major hormone produced by the corpus luteum is: | Progesterone |
| In comparison with the nervous system, the regulatory effects of the endocrine system are | Slow to appear but long-lasting |
| The clear and potassium-rich fluid that fills the labyrinth is | Endolymph |
| The physiological mechanism that dissolves clots is known as | Fibrinolysis |
| After blood leaves the lungs and returns to the heart, it enters the | Left atrium |
| The outermost layer of the larger blood vessels is the tunica | Adventitia |
| Cardiac output is determined by | Stroke volume and heart rate |
| The term used to describe the collection of mechanisms that influence the circulation of blood is | Hemodynamics |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes | Immunoglobin M |
| What is the function of the spleen | Tissue repair, hematopoiesis, red blood cell and platelet destruction |
| Which protein interferes with the ability of viruses to cause disease | Interferon |
| The ability of the lungs and thorax to stretch is referred to as | Compliance |
| The sensors that provide feedback information to the medullary rhythmicity area are the | Central chemoreceptors and peripheral chemoreceptors |
| Hyperpnea means a(n) | Increase in breathing |
| Standard atmospheric pressure is ___ mm Hg | 760 |
| Gas exchange, the lungs' main and vital function, takes place in the | Alveoli |
| Saliva contains the enzyme | Amylase |
| The chemical process in which a compound unites with water and then splits into simpler compound is called | Hydrolysis |
| The wave-like ripple of the muscle layer of the GI tract is called | Peristalsis |
| Because fats are insoluble in water, they must be | Emulsified |
| An end product of fat digestion is | Glycerol |
| The enzyme pepsin begins the digestion of | Protein |
| Glucose moves from the GI tract into the circulatory system by the process of | Cotransport |
| The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called | Gastric inhibitory peptide |
| Cellulose is a residue of digestion that comes from | Carbohydrates |
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yuseira
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