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nurs310-quiz1
| Question | Answer |
|---|---|
| the pinna/auricle serves what function? (ear flap) | it is part of the outer ear which protects the inner/middle ear |
| the ear canal and tympanic membrane both... | protect the inner and middle ear |
| hammer, anvil and stapes are tiny ___ which | pass vibrations to the inner ear |
| cochleas function | turns sound into electrical signals that get sent to the brain |
| the vestibular apparatus does what | controls balance |
| auditory nerve are where | electrical signals are sent to the brain |
| what part of the brain interprets sound | occipital lobe |
| frequency is measured in | hertz (Hz) |
| The loudness of sound is measured in | decibels (dB) |
| what is the frequency range for speech? | 250 Hz to 6,000 Hz |
| Most words are made up of | high-frequency sounds |
| what letters have low frequency sounds? | vowels like 'u' |
| Conductive hearing loss is when | sound can't reach your inner ears. |
| Sensorineural hearing loss is when | the cochlea or the auditory nerve isn't working |
| Unilateral hearing loss is when | hearing loss is only in 1 ear. |
| Progressive hearing loss is when | the hearing loss gets worse over time. |
| Fluctuating hearing loss is when | the hearing loss changes. It may sometimes be worse and sometimes better. |
| Auditory neuropathy is when | the cochlea works but there is something wrong with the auditory nerve |
| Central Auditory Processing Disorder (CAPD) is when | there's something wrong with how your child's brain interprets the signals it gets from the ear. |
| Punnett squares can be used to predict the probability of: | having an inherited disease or a genetically determined physical trait |
| If two people who are both carriers for a genetically inherited fatal recessive disease decide to become parents, what will be the odds that their children will also be carriers? | 2 out of 4 |
| If a woman is homozygous normal and her husband is heterozygous for a genetically inherited recessive disease and they decide to become parents, what is the probability that they will have a healthy child? | 4 out of 4 |
| If two parents are heterozygous for a genetically inherited dominant trait, what is the probability that they will have a child together who has this trait in his or her phenotype? | 75% |
| If two parents are homozygous for a genetically inherited recessive trait, what is the probability that they will have a child who does not have this trait in his or her phenotype? | 0% |
| If medical researchers discovered that there is a single human gene responsible for all of the various forms of physical deterioration commonly associated with diabetes, it would be referred to as: | pleiotropy |
| A regulator gene can: | initiate or block the expression of another gene |
| Incompletely penetrant genes are ones that: | are only expressed in the phenotype if certain factors in the environment are present |
| Polygenic traits are ones that are: | controlled by more than just a single pair of alleles |
| If there is a single pair of alleles that determine the number of toes for an animal species and homozygous dominant individuals have 8 toes, heterozygous ones have 7, and homozygous recessive ones have 6, the inheritance pattern would be referred to as: | intermediate expression |
| If the genes for a trait are inherited by both men and women but only show up in the phenotype of women, they are referred to as _____________ genes. | sex-limited |
| Some people have AB blood types for the ABO blood system. They have all of the characteristics of both type A and type B blood--they are not a blend of them. The inheritance pattern responsible for this is referred to as: | codominance |
| Angelman syndrome is a rare form of mental retardation that can be more or less severe depending on the gender of the parent from whom it is inherited. This unusual kind of inheritance pattern is known as: | genome imprinting |
| If there were a gene for intelligence and the effect of that gene was altered by the inheritance of another gene, the latter gene would be referred to as a: | modifying gene |
| What would a gene be called if it is inherited by both genders but expressed differently in the phenotype of men and women? | sex-controlled |
| Which of the following is an exception to Mendel's idea that genes are passed on unchanged from generation to generation? | stuttering alleles |
| When there are three or more alleles of a specific gene, it is referred to as a: | multiple-allele series |
| The fact that monozygotic twins do not have identical phenotypes despite the fact that they may look alike is an indication that: | phenotypes are a result of both the genotype and environmental influences |
Created by:
eboyds