1) Which of the following describes the primary function of the respiratory system?
A) to create sound and speech
B) to take oxygen into the body while removing carbon dioxide
C) to transport nutrients to the cells and tissue of the body
D) to act as a barrier between the body's organs...
1) Which of the following describes the primary function of the respiratory system?
A) to create sound and speech
B) to take oxygen into the body while removing carbon dioxide
C) to transport nutrients to the cells and tissue of the body
D) to act as a barrier between the body's organs and outside influences - ANSWER to take oxygen into
the body while removing carbon dioxide
2) Which of the following is the first step of the scientific method?
A) construct a hypothesis
B) make observations
C) analyze data
D) form a question - ANSWER make observations
3) The process of organisms with an advantageous trait surviving more often and producing more
offspring than organisms without the advantageous trait describes which of the following basic
mechanisms?
A) gene flow
, B) genetic drift
C) mutation
D) natural selection - ANSWER natural selection
4) Which of the following is the group of basophils that produces follicle-stimulating hormone (FSH) and
luteinizing hormone?
A) gonadotrophs
B) thyotroph
C) chromophil
D) pituicytes - ANSWER gonadotrophs
5) Which of the following are considered the basic units of the female reproductive system, each
containing a single immature egg cell that is released during ovulation?
A) oocytes
B) follicles
C) ovaries
D) fundus - ANSWER follicles
,6) Which of the following describes the muscular organ that processes food material into increasingly
smaller pieces, mixes it with saliva to create a bolus, and creates a barrier to transport food into the
esophagus?
A) pharynx
B) tongue
C) diaphragm
D) stomach - ANSWER tongue
7) Which of the following chambers of the heart receives blood returning from the lungs during
pulmonary circulation?
A) left atrium
B) right atrium
C) left ventricle
D) right ventricle - ANSWER left atrium
8) Which of the following is the lobe in the cerebral cortex primarily responsible for processing and
integrating sensory information received from the rest of the body?
A) frontal lobe
B) occipital lobe
, C) parietal lobe
D) temporal lobe - ANSWER parietal lobe
13) Which of the following is NOT a tissue layer found in skeletal bones?
A) periosteum
B) bone marrow
C) enamel
D) cancellous bone - ANSWER enamel
14) Which of the following sets of valves is primarily responsible for preventing blood flow from major
blood vessels to the heart?
A) atrioventricular valves
B) semilunar valves
C) tricuspid valves
D) bicuspid valves - ANSWER semilunar valves
15) Bone is composed primarily of which of the following inorganic materials?
A) calcium
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