Chapter 1 MCQ From Textbook Flashcards
Which of the following specialties might focus on studying all of the structures of the ankle and foot?
a. microscopic anatomy
b. muscle anatomy
c. regional anatomy
d. systemic anatomy
c) Regional Anatomy
A scientist wants to study how the body uses foods and fluids during a marathon run. This scientist is most likely a(n) ________.
a. exercise physiologist
b. microscopic anatomist
c. regional physiologist
d. systemic anatomist
a) Exercise Physiologist
The smallest independently functioning biological
unit of an organism is a(n) ________.
a. cell
b. molecule
c. organ
d. tissue
a) Cell
A collection of similar tissues that performs a specific function is an ________.
a. organ
b. organelle
c. organism
d. organ system
a) Organ
The body system responsible for structural support and movement is the ________.
a. cardiovascular system
b. endocrine system
c. muscular system
d. skeletal system
d) Skeletal System
Metabolism can be defined as the ________.
a. adjustment by an organism to external or
internal changes
b. process whereby all unspecialized cells
become specialized to perform distinct
functions
c. process whereby new cells are formed to
replace worn-out cells
d. sum of all chemical reactions in an organism
d) Sum of all chem reactions in an organism.
Adenosine triphosphate (ATP) is an important molecule because it ________.
a. is the result of catabolism
b. release energy in uncontrolled bursts
c. stores energy for use by body cells
d. All of the above
c) Stores energy for use by body cells
Cancer cells can be characterized as “generic” cells that perform no specialized body function. Thus cancer cells lack ________.
a. differentiation
b. reproduction
c. responsiveness
d. both reproduction and responsiveness
a) Differentiation
Humans have the most urgent need for a continuous supply of ________.
a. food
b. nitrogen
c. oxygen
d. water
c) Oxygen
Which of the following statements about nutrients is true?
a. All classes of nutrients are essential to human survival.
b. Because the body cannot store any micronutrients, they need to be consumed nearly every day.
c. Carbohydrates, lipids, and proteins are micronutrients.
d. Macronutrients are vitamins and minerals.
a) All classes of nutrients are essential to human survival.
C.J. is stuck in their car during a bitterly cold blizzard. Their body responds to the cold by ________.
a. increasing the blood to the hands and feet
b. becoming lethargic to conserve heat
c. breaking down stored energy
d. significantly increasing blood oxygen levels
c) Breaking down stored energy
After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from the food. They relay this information to ________.
a. a control center
b. a set point
c. effectors
d. sensors
a) Control Center
Stimulation of the heat-loss center causes ________.
a. blood vessels in the skin to constrict
b. breathing to become slow and shallow
c. sweat glands to increase their output
d. All of the above
c) Sweat glands to increase their output
Which of the following is an example of a normal physiologic process that uses a positive feedback loop?
a. blood pressure regulation
b. childbirth
c. regulation of fluid balance
d. temperature regulation
b) Childbirth
What is the position of the body when it is in the “normal anatomical position?”
a. The person is prone with upper limbs, including palms, touching sides and lower limbs touching at sides.
b. The person is standing facing the observer, with upper limbs extended out at a ninety- degree angle from the torso and lower limbs in a wide stance with feet pointing laterally
c. The person is supine with upper limbs, including palms, touching sides and lower limbs touching at sides.
d. None of the above
d) None of the above
