A & P II Final Exam From Test #4

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  • 1/10 Questions

    Sex chromosomes of a normal male are ____________.

    • XX
    • YY
    • XY
    • Any of these, depending on the father.
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A & P II Final Exam From Test #4 - Quiz
About This Quiz

You are about to sit for your A&P II exams and all you need to do is ensure that you take up review questions from time to time to freshen your memory and get rid of examination fever. This test is the fourth in our series of questions. Give it a try!

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  • 2. 

    Two alleles expressing exactly the same information for a trait are designated as __________.

    • Hemizygous

    • Monogamous

    • Heterozygous

    • Homozygous

    Correct Answer
    A. Homozygous
    Explanation
    pg 1103

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  • 3. 

    The diploid genome contains chromosomes from ________________.

    • The father only

    • The mother only

    • One parent, which synthesizes the other

    • Both the mother and the father

    Correct Answer
    A. Both the mother and the father
    Explanation
    The diploid genome contains chromosomes from both the mother and the father. In sexual reproduction, each parent contributes one set of chromosomes to their offspring, resulting in a diploid genome with two sets of chromosomes. This ensures genetic diversity and allows for the combination of traits from both parents.

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  • 4. 

    The major reason older adults should monitor their intake of fluids is the ___________.

    • Older people suffer deceased levels of antidiuretic hormone

    • Older people do not exercise, so fluids do not move from compartment to compartment easily

    • Total body water decreases with age, and restoration of homeostasis is slower

    • Most older people do not eat the proper foods

    Correct Answer
    A. Total body water decreases with age, and restoration of homeostasis is slower
    Explanation
    As individuals age, their total body water decreases and the process of restoring homeostasis becomes slower. This means that older adults are at a higher risk of dehydration and fluid imbalance. Monitoring their intake of fluids becomes crucial to ensure that they are adequately hydrated and maintain proper bodily functions.

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  • 5. 

    Respiratory acidosis can occur when ______________.

    • A person consumes excessive amounts of antacids

    • A person's breathing is shallow due to obstruction

    • A runner has completed a very long race

    • The kidneys secrete hydrogen ions

    Correct Answer
    A. A person's breathing is shallow due to obstruction
    Explanation
    pg. 1014

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  • 6. 

    Recessive genes are usually expressed in humans only when _______________.

    • They are coded for skin color

    • They are coding for genetic diseases

    • The organism is in the embryonic stage

    • Both alleles are exactly the same, or homozygous

    Correct Answer
    A. Both alleles are exactly the same, or homozygous
    Explanation
    pg 1103

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  • 7. 

    A falling blood pH and a rising partial pressure of carbon dioxide due to pneumonia or emphysema indicates ________________.

    • Respiratory acidosis

    • Respiratory alkalosis

    • Metabolic acidosis

    • Metabolic alkalosis

    Correct Answer
    A. Respiratory acidosis
    Explanation
    pg 1014

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  • 8. 

    Which of the following hormones is important in the regulation of sodium ion concentrations in the extracellular fluid?

    • Antidiuretic hormone

    • Erythropoietin

    • Aldosterone

    • Renin

    Correct Answer
    A. Aldosterone
    Explanation
    pg. 1004

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  • 9. 

    The female infant is born with several hundred oocytes, each on genetically unique.  This is due to ____________.

    • Mutation

    • Recessive inheritance

    • Chromosome deletion

    • Independent associate and random crossover

    Correct Answer
    A. Independent associate and random crossover
    Explanation
    The female infant is born with several hundred oocytes, each one genetically unique, due to independent assortment and random crossover. During meiosis, the chromosomes in the oocytes undergo independent assortment, which means that they can line up in any combination during cell division. Additionally, there is a process called crossover where sections of chromosomes can exchange genetic material, further increasing genetic diversity. These two processes together result in each oocyte having a unique combination of genetic material, making them genetically distinct from one another.

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  • 10. 

    Edema may result from _______________.

    • Hyperproteinemia

    • Hindering the flow of water out of the capillaries

    • Decreased blood hydrostatic pressure

    • Lymphatic blockage

    Correct Answer
    A. Lymphatic blockage
    Explanation
    pg 1002

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