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Chap 23,24,25 & 26
Week 9 Senses & Endocrine
Question | Answer |
---|---|
Visceroceptors are located in which of the following? | Internal organs |
Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. | tectorial |
The receptors responsible for sensing crude and persistent touch are the | Ruffini corpuscles. |
If you slammed your finger in a car door, it would stimulate _____ pain fibers | acute |
Accommodation for near vision necessitates an increase in the curvature of the lens. constriction of the pupils. convergence of the two eyes. all of the above. | all of the above. |
In comparison with the nervous system, the regulatory effects of the endocrine system are: | slow to appear but long-lasting. |
The two-point discrimination test can be used to measure: | the sensitivity of the skin in various parts of the body. |
The production of thyroid hormone is stimulated by another hormone from the: | anterior pituitary. |
The major hormone produced by the corpus luteum is: | progesterone. |
All of the following are true statements except: | aspirin produces some of its effects by increasing PGE synthesis. |
One of the few hormones that functions on a positive-feedback loop is: | oxytocin |
The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
The last step in the nonsteroid hormone mechanism of action is: | protein kinases activate other enzymes. |
Which of the following is not true of a receptor potential? | It follows the all-or-none law. |
Which is not true of the hormone somatostatin? | It stimulates the secretion of insulin. |
The somatic senses enable us to detect sensations, including: -touch. -temperature. -pain. ALL OF THE ABOVE | ALL OF THE ABOVE |
The olfactory tract carries impulses associated with: | SMELL |
Dynamic equilibrium depends on the functioning of the | crista ampullaris. |
Which of the following statements is NOT true of the pineal gland? | Melatonin is stimulated by the presence of sunlight. |
Which of the following is a function of glucagon? | Tends to increase blood glucose concentrations |
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 true about pain receptors? | Alpha fibers are associated with sharp, localized pain. |
Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
The clear and potassium-rich fluid that fills the labyrinth is | endolymph. |
All of the following are nonsteroid hormones except: | cortisol. |
When you are looking at a large green field, which cones would be sending the green wavelength to the brain? | M |
The type of cells that secrete ACTH are: | corticotrophs. |
Which of the following is not a characteristic of the endocrine system? | Chemical messenger travels a short distance. |
The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: | malleus, incus, and stapes. |
Clearness or sharpness of visual perception is known as: | visual acuity |