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Physiology Wk 9 Quiz

QuestionAnswer
The two-point discrimination test can be used to measure: the sensitivity of the skin in various parts of the body.
The last step in the nonsteroid hormone mechanism of action is: protein kinases activate other enzymes.
The clear and potassium-rich fluid that fills the labyrinth is endolymph
Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. tectorial
The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: malleus, incus, stapes
Accommodation for near vision necessitates an increase in the curvature of the lens, constriction of the pupils, convergence of the two eyes.
Which of the following is true about pain receptors? Alpha fibers are associated with sharp, localized pain.
Dynamic equilibrium depends on the functioning of the crista ampullaris.
Which is not true of the hormone somatostatin? it stimulates the secretion of insulin
If you slammed your finger in a car door, it would stimulate _____ pain fibers. acute
The major hormone produced by the corpus luteum is: progesterone.
The production of thyroid hormone is stimulated by another hormone from the: anterior pituitary.
In comparison with the nervous system, the regulatory effects of the endocrine system are: slow to appear but long-lasting
All of the following are true statements except: aspirin produces some of its effects by increasing PGE synthesis.
Visceroceptors are located in which of the following? Internal Organs
The receptors responsible for sensing crude and persistent touch are the: Ruffini corpuscles.
Clearness or sharpness of visual perception is known as: visual acuity
Which of the following is not true of a receptor potential? It follows the all-or-none law.
The immediate effect of a steroid hormone on a cell is the: transcription of RNA.
Which of the following statements is not true of the pineal gland? Melatonin is stimulated by the presence of sunlight.
The olfactory tract carries impulses associated with: smell
One of the few hormones that functions on a positive-feedback loop is: oxytocin
The type of cells that secrete ACTH are: corticotrophs
Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? Thalamus
The somatic senses enable us to detect sensations, including: touch, pain, temperature. (all)
When you are looking at a large green field, which cones would be sending the green wavelength to the brain? M
Which of the following is not a characteristic of the endocrine system? Chemical messenger travels a short distance.
All of the following are nonsteroid hormones except: cortisol
When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called: permissiveness
Which of the following is a function of glucagon? tends to increase blood glucose concentrations
Created by: Janelleu4771
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