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ANATOMY AND PHYSIOLOGY MIDTERM EXAM 180 ACTUAL EXAM QUESTIONS AND ANSWERS
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ANATOMY AND PHYSIOLOGY MIDTERM EXAM 180 ACTUAL EXAM QUESTIONS AND ANSWERS
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ANATOMY AND PHYSIOLOGYMIDTERM EXAM 180 ACTUAL EXAM
QUESTIONS AND ANSWERS 2024-2025
1. Cells produce and respond to chemical and electrical signals as a means
Of
Select one:
a. Synthesizing.
b. Communicating.
c. Metabolizing.
d. Using energy.
e. Reproducing.: b. Communicating.
2. A researcher discovered a sensory receptor that detects decreasing oxygen
concentrations in the blood. According to the principles of negative feedback,
it is likely that stimulation of this sensory receptor will produce which of the
following types of responses?
Select one:
a. A decrease in heart rate
b. An increase in the respiratory rate
c. An increase in physical activity
d. Unconsciousness
e. Both a decrease in heart rate and an increase in the respiratory rate: b. An
increase in the respiratory rate
,3. In a negative feedback mechanism, the response of the effector Select
one:
a. Reverses the original stimulus.
b. Enhances the original stimulus.
c. Has no effect on the original stimulus.
d. Is usually damaging to the body.
e. Creates a cycle that leads away from homeostasis.: a. Reverses the original
stimulus.
4. Which system consists of hair, skin, and nails?
Select
one:
a.
Skelet
al
b. Cardiovascular
c. Respiratory
d. Integumentary: d. Integumentary
5. What appears white on X-Ray?
Select
one:
a.
Bone
b. Skin
c. Air
d. Mucous: a. Bone
,6. What is the scientific discipline that investigates the body's structure?
Select one:
a. Physiology
b. Anatomy
c. Cytology
d. Histology: b. Anatomy
7. A blood clot stimulating even more blood clotting is an example of Select
one:
a. Negative feedback.
b. Positive feedback.
c. Neutral feedback.
d. Metabolism.
e. There is no feedback involved.: b. Positive feedback
8. Which of the following is NOT a component of a negative feedback
mechanism?
Select
one:
a.
Effect
or
b. Stabilizer
c. Control center
d. Receptor: b. Stabilizer
9. What type of imaging uses radio waves with a person lying on a large
electromagnetic field? Select one: a. CT scan
, b. MRI
c. PET
d. Ultrasound
e. X-Ray: b. MRI
10. What level is a group of organs functioning together?
Select one:
a. Organ System
b. Organism
c. Organ
d. Tissue: a. Organ System 11. Homeostasis is defined as Select one:
a. The production of energy by cells.
b. The combination of growth, self-repair, and energy release.
c. An amplification of deviation from the normal range.
d. The maintenance of a relatively constant environment within the body.
e. A condition in the body that does not involve fluctuation.: d. The
maintenance of a relatively constant environment within the body.
12. How many electrons does an element contain if the atomic number is 6
and the mass number is 20?
Select one:
a. 6
b. 8
c. 12
d. 14
e. 20: a. 6
13. Which of the following is the correct sequence from largest to smallest?
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