Exam (elaborations)
BIOS 251 WEEK 1 – QUESTIONS WITH SOLUTIONS (A+)
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BIOS 251 WEEK 1 – QUESTIONS WITH SOLUTIONS (A+)
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BIOS 251 WEEK 1 – QUESTIONS WITH SOLUTIONS (A+)Which subspecialty of anatomy studies the structures and function of cells?
Embryology
Systemic anatomy
Histology
Cell biology
Developmental biology Right Ans - Cell biology
Atoms and molecules are part of which level of organization in the human
body?
Chemical
Cellular
Tissue
Organ
System Right Ans - Chemical
A structure made up of two or more types of tissues that performs a specific
set of functions is at what level of organization?
Chemical
Cellular
Tissue
Organ
System Right Ans - Organ
Which system of the body is responsible for elimination of wastes and
regulating the volume and composition of the blood, including production of
red blood cells?
Urinary
Respiratory
Digestive
Endocrine
Nervous Right Ans - Urinary
, The development of specialized cells from unspecialized stem cells is a
description of which of the following basic life processes?
Metabolism
Movement
Growth
Differentiation
Reproduction Right Ans - Differentiation
Cells are able to transport materials from one region of the cell to another just
as the body is able to transport substances to different locations, or skeletal
muscles (working with your skeleton) can transport you from the sofa to the
refrigerator. What basic life process is illustrated by this description?
Metabolism
Growth
Movement
Differentiation
Reproduction Right Ans - Movement
Which of the following situations would represent a serious disruption of the
homeostasis of the volume and composition of body fluids?
Eating a normal meal and drinking a glass of water.
Normal urination.
Sweating on a warm day, but drinking lemonade in the shade afterwards.
Drinking a sports drink after playing a game of basketball with friends.
Becoming dehydrated as your lifeboat drifts on the empty ocean. Right Ans
- Becoming dehydrated as your lifeboat drifts on the empty ocean.
The homeostasis of the body is controlled through a series of steps called a
feedback system or feedback loop. One component of such systems is a
control center. Which of the following organs would frequently serve as the
control center for a feedback system (remember, the control center evaluates
the disruption to homeostasis, and it also triggers a response)?
Skeletal muscles
Brain
Nerve endings in the skin
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