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[BIO 169] Lab Practical 1 Questions and Answers

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[BIO 169] Lab Practical 1 Questions and Answers [BIO 169] Lab Practical 1 Questions and Answers [BIO 169] Lab Practical 1 Questions and Answers [BIO 169] Lab Practical 1 Questions and Answers [BIO 169] Lab Practical 1 Questions and Answers [BIO 169] Lab Practical 1 Questions and An...

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  • August 15, 2024
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  • BIO 169 Blood
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[BIO 169] Lab Practical 1 Questions
and Answers
Homoeotherms

✓ ~~~elevate their body temperature and maintain it within a defined range



Thyroid stimulating hormone is released directly into the blood and affects cells in

the

✓ ~~~Thyroid



Thyroid Releasing Hormone is secreted by

✓ ~~~neurosecretory cells in the hypothalamus



T3 and T4 are

✓ ~~~hydrophobic and stored in the extracellular thyroglobulin



The majority of thyroid hormone is secreted in the form of

✓ ~~~T4



Thyroid Releasing Hormone is released into the blood and directly affects cells

✓ ~~~in the anterior pituitary gland



The body's thermostat is located in the

✓ ~~~hypothalamus

, Why did the mouse exhibit a higher metabolic rate as the temperature was

decreased below 18 degrees Celcius?

✓ ~~~the mouse shivered while being exposed to the extreme cold temperature



What is the effect of moderate cooling on the rate of oxygen consumption?

✓ ~~~the rate of oxygen consumption increased



As the temperature was ______________ the metabolic rate __________ due to

___________________________ .

✓ ~~~decreased, increased, increased activity of the thyroid gland



The amount of hemoglobin that binds to oxygen is dependent upon

✓ ~~~all of the above.



The partial pressure of oxygen is

✓ ~~~the portion of the barometric pressure produced by oxygen



As the partial pressure of oxygen is significantly lowered the affinity between oxygen

and hemoglobin

✓ ~~~decreases



Which of the following would increase the relative acidity of the blood?

✓ ~~~both A and C are correct

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