List the four necessary steps that are required for sensory reception.Different receptors are used to detect different stimuli: Briefly describe three examples of stimulus modality
What will be an ideal response?
Answer: The four steps for sensory reception are 1) reception of the signal, 2) transduction of the signal, 3) transmission of the signal to integrating center, and 4) perception of the stimulus at the integrating signal.
There are numerous examples of stimulus modality. Chemoreceptors detect chemical signals; therefore, they enable us to smell and taste. Mechanoreceptors are stimulated by pressure and movement, so senses of smell, touch, and balance fall under this category. Photoreceptors sense light, thus our vision depends on photoreception.
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The central sulcus of the cerebrum separates the
a) two cerebral hemispheres. b) frontal lobe from the parietal lobe. c) frontal lobe from the temporal lobe. d) parietal lobe from the temporal lobe. e) temporal lobe from the occipital lobe.
An arterial blood gas analysis includes all of the following? EXCEPT?
Regarding nitrogenous wastes, the PCT reabsorbs most of the _________________, but none of the __________________.
a) creatinine, uric acid b) uric acid, creatinine c) creatinine, urea d) uric acid, urea
Steven has the dominant tongue rolling phenotype but he does not know his genotype. His wife has the recessive non-tongue rolling trait. If their son cannot roll his tongue this means ________
A) Steven has a heterozygous genotype B) that it is impossible to tell Steven's genotype from this information alone C) Steven has a homozygous dominant genotype D) Steven has a homozygous recessive genotype