Which of the following is NOT a function of the digestive track? a.
to use enzymes to break down food
b. to perform gas exchange
c. to remove waste from the body
d. to use peristalsis to move food along - ANSWER-b. to perform gas
exchange
The body, at all time, attempts to maintain homeostasis. The best
definition of homeostasis is:
a. a process that maintains the stability of the human body's internal
environment in response to changes in internal and external
conditions
b. a function via which the body breaks down glucose to use as
energy
c. a process that maintains the immune system's defenses
d. a process in which the body resists change to its genetic structure
- ANSWER-a. a process that maintains the stability of the human
body's internal environment in response to changes in internal and
external conditions
The endocrine system of the body is responsible for: a.
defense through the use of antibodies
b. communication through the use of hormones
,c. metabolism through the use of enzymes
d. blood flow through the use of the heart muscle - ANSWER-b.
communication through the use of hormones
Vitamin K is created in the: a.
liver
b. lungs
c. intestinal tract
d. pancreas - ANSWER-c. intestinal tract
What is Erythropoiesis?
a. Red blood cell formation
b. White blood cell formation
c. the destruction of red blood cells
d. the destruction of white blood cells - ANSWER-a. Red blood cell
formation
In which part of the body is keratin NOT found? a.
hair
b. skin
c. nails
d. teeth - ANSWER-d. teeth
What is the relationship between sarcomeres and muscle cells? a.
sarcomeres are muscle cells
b. sarcomeres contain muscle cells
,c. muscle cells contain myofibrils, which in turn are made up of
sarcomeres
d. muscle cells contain sarcomeres, which in turn are made up of
myofibrils - ANSWER-c. muscle cells contain myofibrils, which in
turn are made up of sarcomeres
A person who has torn their vastus lateralis muscle will need which of
the following?
a. an arm sling
b. a cane or crutches
c. insulin
d. a neck brace - ANSWER-b. a cane or crutches;
(the vastus lateralis is a voluntary muscle in the legs; part of the
quadriceps)
Muscles produce contraction due to the sliding action of: a.
filaments
b. sarcomeres
c. flexors
d. neurons - ANSWER-a. filaments
The medulla oblongata has what primary responsibility? a.
balance
b. intellect
c. vital function
, d. sensory input - ANSWER-c. vital function; (including respiration
and heart rate)
Which of the following is true about simple reflexes?
a. they travel through the entire body
b. they travel through the spinal cord
c. they travel through the brain
d. they do not travel and remain localized - ANSWER-b. they travel
through the spinal cord
Estrogen serves what primary function in the female reproductive
system?
a. it initiates the preparation of the endometrium for pregnancy
b. it triggers the release of the egg from the ovary
c. it causes fertilization
d. it triggers the production of breast milk - ANSWER-a. it initiates the
preparation of the endometrium for pregnancy
How many pairs of spinal nerves are known to exit the spinal cord? a.
10
b. 12
c. 31
d. 42 - ANSWER-c. 31
Cyclic adenosine monophosphate is a substance that performs which
of the following?
a. acts as part of the cell membrane
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