Which of the following represents the largest and most complex level of structural organization in the human body?
a) chemical level
b) cellular level
c) tissue level
d) organ level
e) organismal level
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Question 2) Which of the following describes a body process that is controlled using a positive feedback loop?
a) increasing body temperature in response to a drop in body temperature
b) decreasing body temperature in response to elevated body temperature
c) decreasing blood glucose in response to elevated blood glucose
d) increasing strength of uterine contractions in response to cervical stretch
e) decreasing heart rate in response to elevated blood pressure
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Question 3) Which of the following organs contains the control center for the feedback system that regulates blood pressure?
a) skin
b) arteries
c) brain
d) heart
e) pituitary gland
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Question 4) Which of the following is NOT a common characteristic of a negative feedback system?
a) regulates conditions in body that remain fairly stable over long periods
b) important in maintaining homeostasis
c) involves control centers in the nervous or endocrine systems
d) stimulates changes that reverse the direction of the stimulus
e) usually requires an event outside the feedback system to shut it off
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Question 5) An embryonic stem cell undergoes _____ to become a neuron.
a) catabolism
b) growth
c) reproduction
d) anabolism
e) differentiation
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Question 6) During a visit to your doctor, you complain about headache and nausea. These changes in your body functions are considered to be
a) signs.
b) symptoms.
c) pharmacology.
d) controlled condition.
e) epidemiology.
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Question 7) Which of the following is an example of the basic life process called growth?
1. muscle contraction
2. digestion of proteins
3. lifting weights and gaining muscle mass
4. mineral deposits accumulating between bone cells to cause a bone to lengthen
a) 1 only
b) 2 only
c) 3 only
d) 4 only
e) 3 and 4
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Question 8) Feeling the presence of a mosquito biting your arm is an example of
a) growth.
b) movement.
c) responsiveness.
d) reproduction.
e) differentiation.
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Question 9) Which radiographs were obtained using low-dose x-rays?
a) (A) and (B)
b) (B) and (C)
c) (C) and (D)
d) (A) and (C)
e) (B) and (E)
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Question 10) Discuss the importance of body fluids and which one is considered to be the body's internal environment.
What will be an ideal response?
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