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Anatomy and Physiology Lecture Exam I Questions With Correct Answers 100% Verified.
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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM. 1 Anatomy and Physiology Lecture Exam I Questions With Correct Answers 100% Verified. When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's brain (a region called the hypothalamus). The brain responds by...

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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.




Anatomy and Physiology Lecture Exam I
Questions With Correct Answers 100%
Verified.



When a baby suckles at its mother's breast the stimulus at the breast is sent to the mother's
brain (a region called the hypothalamus). The brain responds by releasing hormones to
stimulate the production and the ejection of milk from the breast. This helps the newborn to
receive nourishment and encourages more suckling. This example is best described as a
________.


A. loss of homeostasis
B. negative feedback
C. necessary life function

D. positive feedback - Answer✔D. positive feedback
Using figure, match the following descriptions to the most appropriate letter on the diagram.
-->Control Center-->
--> C D-->
-->Receptor Effector-->
-->B E-->
A Response -->


Match the words in the left column to the appropriate blanks in the sentences on the right.
Make certain each sentence is complete before submitting your answer.
1. _____ Information about body temperature is sent through afferent pathways to the brain.
2. _____ Free nerve endings in the skin detect changes in skin temperature (getting colder).

1

, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.


3. _____ Appropriate response information is sent through efferent pathways.
4. _____ A change in the temperature of the external environment (getting colder).
5. _____ Skeletal muscles respond with shivering reflex which provides heat to return the
body's temperature to a homeostatic balance or "ideal" value. - Answer✔1. C
2. B
3. D
4. A
5. E
Anatomical position is important because ________.


A. it allows diagrams within textbooks to display a greater surface area of the body with one
simple diagram
B. it is the position most comfortable to hospital patients
C. it provides the greatest circulation to the extremities
D. it allows a common point of reference for body position to help communicate anatomical
relationships - Answer✔D. it allows a common point of reference for body position to help
communicate anatomical relationships
A small family was traveling in its van and had a minor accident. The children in the back seats
were wearing lap belts, but still sustained numerous bruises about the abdomen, and had some
internal organ injuries. Why is this area more vulnerable to damage than others? - Answer✔The
abdomen is more vulnerable to damage than others, because there are no bones protecting the
internal organs. One example of bone protection is the ribs. The ribs protect the heart and
lungs, which is how the heart and lungs are not vulnerable to damage.
The body cavities that protect the nervous system are located in the ________ cavity.


A. thoracic
B. cranial
C. vertebral
D. dorsal

E. ventral - Answer✔D. dorsal


2

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One of the functional characteristics of life is excitability or responsiveness. This refers to
________.


A. the necessity for all organisms to reproduce
B. indigestible food residues stimulating the excretory system
C. the nervous system causing all living things to sometimes experience anger

D. sensing changes in the environment and then reacting or responding to them - Answer✔D.
sensing changes in the environment and then reacting or responding to them
It is wise to study anatomy alongside with physiology because ________.


A. it makes for more efficient use of students' and teachers' time
B. physiology is only explainable in terms of the underlying anatomy
C. to understand anatomy requires complete understanding of physiology

D. anatomy and physiology are practically the same thing - Answer✔B. physiology is only
explainable in terms of the underlying anatomy
Which of the following is the best explanation for why cells are considered the smallest units of
living things.


A. Cells have the ability to reproduce identical copies of themselves in a process called mitosis.
B. Cells are the simplest structure to fit all of the characteristics necessary to be considered
alive.
C. Cells are highly ordered and complex.

D. Cells cannot be seen with the naked eye and are considered microscopic. - Answer✔B. Cells
are the simplest structure to fit all of the characteristics necessary to be considered alive.
Responsiveness or irritability is the ability to sense changes in the environment and then
respond to them.


A. True

B. False - Answer✔A. True
Place the following in correct sequence from simplest to most complex:

3

, ©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.




1. molecules
2. atoms
3. tissues
4. cells
5. organs


A. 1-2-4-3-5
B. 2-1-3-4-5
C. 2-1-4-3-5

D. 1-2-3-4-5 - Answer✔C. 2-1-4-3-5
A high fever causes an enzyme to lose its three-dimensional structure and function. Which
bonds are broken when a protein denatures?


A. hydrogen bonds
B. polar covalent bonds
C. ionic bonds

D. non-polar covalent bonds - Answer✔A. hydrogen bonds
Triglycerides are a poor source of stored energy.


A. True

B. False - Answer✔B. False
Study of the structure of body parts and their relationship to one another


A. Anatomy

B. Physiology - Answer✔A. Anatomy
Study of the function of body parts; how they work to carry out life-sustaining activities



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