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PhysFinals
| Question | Answer |
|---|---|
| The only ion(s) that can diffuse across a neuron’s membrane when the neuron is at rest is (are): | potassium |
| Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
| Dopamine, epinephrine, and norepinephrine are classified as: | catecholamines |
| Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)? | Phenelzine |
| Nerve impulses over the _____ nerve cause increased peristalsis and decreased heart rate. | vagus |
| Acetylcholine can stimulate _____ receptors. | nicotinic |
| The vomiting reflex is mediated by the: | medulla |
| Impulses sent over which of the following tracts could result in voluntary movement, especially of the hands, fingers, feet, and toes of the opposite side? | Lateral corticospinal |
| The cerebellum acts with the _____ to produce skilled movement. hypothalamus | cerebrum |
| The major hormone produced by the corpus luteum is: | progesterone |
| One of the few hormones that functions on a positive-feedback loop is: | oxytocin |
| Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
| The physiological mechanism that dissolves clots is known as | fibrinolysis |
| Circulatory shock caused by a drop in the amount of blood in the circulatory system is called _____ shock. | hypovolemic |
| A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | perfusion pressure |
| Adaptive immunity, part of the body’s third line of defense, is orchestrated by two different classes of a type of white blood cell called the | lymphocyte |
| The function of which antibody is basically unknown? | IgD |
| The movement of phagocytes from blood vessels to an inflammation site is called | diapedesis |
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? | lymphotoxin |
| An end product of fat digestion is: | glycerol |
| The hormone that stimulates the gallbladder to release bile is: | cholecystokinin |
| The hormone that stimulates the release of bicarbonate substance from the pancreas is: | secretin |
| The substances absorbed into the lymph capillaries are: | glycerol and fatty acids |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide |
| The process of swallowing is known as: | deglutition |
Created by:
hdinglasan