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Multiple Choice 1
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1
The ultimate objective of physiological research is to
A)study disease processes.
B)compare other animal processes to that of humans.
C)understand the normal functioning of cells, organs, and systems.
D)understand body function so that new drugs can be developed.
2
Pathophysiology is the study of
A)how physiological processes are altered in disease or injury.
B)how the body works in tasks essential for life.
C)other animal structures and functions as they compare to humans.
D)the scientific method and its application to humans.
3
The first step in the scientific method is to
A)draw a conclusion based on new data and observations.
B)formulate a hypothesis.
C)conduct experiments for data and gather observations.
D)retest a theory over and over.
4
During which phase in the development of pharmaceutical drugs is the drug tested on healthy human volunteers to test for toxicity and the body's "handling" of the drug?
A)phase I clinical trials.
B)phase II clinical trials.
C)phase III trials.
D)phase IV trials.
5
The man considered the father of physiology is
A)Aristotle.
B)Galen.
C)Walter Cannon.
D)Erasistratus.
6
The American physiologist, Walter Cannon coined the term
A)homeostasis.
B)physiology.
C)negative feedback.
D)milieu interieur.
7
In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? (p. 6)
A)set point.
B)integrating center.
C)hypothesis.
D)effector.
8
Homeostasis is best conceived as a state of
A)negative feedback.
B)dynamic constancy.
C)positive feedback.
D)hormone regulation.
9
When a hypothesis is tested during experimentation which of the following is true?
A)Control groups are the group in which the subject is tested.
B)The null hypothesis is tested using statistical methods.
C)Scientific findings are usually published immediately in newspapers and magazines.
D)Proof that a hypothesis is usually true is provided by a single experiment.
10
Insulin is a hormone that acts to
A)stimulate metabolism in the body.
B)increase blood glucose levels.
C)decrease blood glucose levels.
D)stimulate the formation of blood clots.
11
In positive feedback
A)the secretion of a hormone inhibits further secretion of the hormone.
B)secretion of a hormone is stimulated by an increase in a variable.
C)the response of the system opposes the input response.
D)the response of the system amplifies the input response.
12
Intercalated discs are characteristic in which type of muscle tissue?
A)cardiac
B)skeletal
C)smooth
13
Which term is NOT used to describe a structural part of a neuron?
A)cell body
B)dendrites
C)lumen
D)axon
14
The type of epithelium that lines the ducts of exocrine glands and part of kidney tubules is
A)pseudostratified ciliated columnar epithelium.
B)simple ciliated columnar epithelium.
C)simple squamous epithelium.
D)simple cuboidal epithelium.
15
Membranes are formed by
A)epithelial tissue.
B)muscle tissue.
C)connective tissue.
D)nervous tissue.
16
The scattered fibrous protein characteristic of connective tissue proper is
A)insulin.
B)cartilage.
C)collagen.
D)dentin.
17
Which term does NOT describe a structural part of bone tissue?
A)chondrocytes
B)lamellae
C)canaliculi
D)lacunae
18
Sebaceous glands secrete
A)sweat.
B)sebum.
C)hormones.
D)semen.
19
The sensory nerve endings in the skin are found within the
A)epidermis.
B)dermins.
C)hypodermis.
D)adiposie layer.
20
The organ that best regulates the volume and composition of the blood plasma is the
A)skin.
B)brain.
C)kidney.
D)heart.
21
An epithelial membrane that is comprised of a single layer of cells that are taller than they are wide would be called
A)simple squamours epithelium.
B)simple cuboidal epithelium.
C)simple columnar epithelium.
D)stratified columnar epithelium.
22
The organ system of the body that functions in the secretion of regulatory molecules called hormones, is the _______________ system.
A)Integumentary
B)Nervous
C)Immune
D)Endocrine
23
The skin is considered an organ because it
A)produces pigments.
B)is composed of at least two primary tissues.
C)protects the body.
D)allows the body to detect sensory stimuli.





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