A&P 2e - Ch 1: Review Questions

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What kind of catabolism occurs in the heart?

aerobic catabolism

Which organ has primary control over the amount of water in the body?

kidneys

What type of radiation does a CT scanner use?

ionizing radiation (X-rays)

What is the function of magnets in an MRI?

Create a powerful, uniform magnetic field that aligns the protons in your body

How is PET used in chemotherapy?

Detecting tumors, checking if cancer has spread

Which of the following specialties might focus on studying all of the structures of the ankle and foot?

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) __.

exercise physiologist

The smallest independently functioning biological unit of an organism is a(n) __.

cell

A collection of similar tissues that performs a specific function is an __.

organ

The body system responsible for structural support and movement is the __.

skeletal system

Metabolism can be defined as the __.

sum of all chemical reactions in an organism

Adenosine triphosphate (ATP) is an important molecule because it __.

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 __.

differentiation

Humans have the most urgent need for a continuous supply of __.

oxygen

Which of the following statements about nutrients is true?

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 __.

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 control center

Stimulation of the heat-loss center causes __.

sweat glands to increase their output

Which of the following is an example of a normal physiologic process that uses a positive feedback loop?

childbirth

What is the position of the body when it is in the “normal anatomical position?”

None of the above

To make a banana split, you halve a banana into two long, thin, right and left sides along the __.

midsagittal plane

The lumbar region is __.

superior to the popliteal region

The heart is within the __.

mediastinum

In 1901, Wilhelm Röntgen was the first person to win the Nobel Prize for physics. For what discovery did he win?

X-rays

Which of the following imaging techniques would be best to use to study the uptake of nutrients by rapidly multiplying cancer cells?

PET

Which of the following imaging studies can be used most safely during pregnancy?

ultrasounds

What are two major disadvantages of MRI scans?

high cost and the need for shielding from the magnetic signals