De opdrachten met antwoorden van MasteringBiology voor het vak Voeding en Energie. Het vak wordt gegeven in het tweede leerjaar van de opleiding Biologie en Medisch Laboratorium onderzoek (BMO). Hiervoor worden opdrachten gemaakt via Pearson. De vragen zijn Engels talig (net zoals de toets). Het is...
Voeding en energie -Huiswerkopdrachten
H40
Which of these is NOT one of the four major categories of tissue?
a. Muscle
b. Epithelial
c. Connective
d. Blood
e. Nervous
How does connective tissue differ from the other three major tissue types?
a. Connective tissue often consist of relatively few cells embedded in an extracellular matrix
b. Connective tissue consists of contractile proteins
c. Connective tissue consists of cells capable of transmitting electrical impulses
d. There are three types of connective tissue
e. Connective tissue is found lining body surfaces
What type of epithelium would you expect to find covering a surface subject to physical forces?
a. Simple epithelium
b. Squamous epithelium
c. Stratified epithelium
d. Simple cuboidal cells
e. Columnar epithelium
What type of epithelial tissue, found in the intestines, absorbs nutrients?
a. Simple columnar epithelium
b. Stratified columnar epithelium
c. Stratified cuboidal epithelium
d. Simple cuboidal cells
e. Stratified squamous epithelium
Which of these tissues, found in the lungs, permits gas exchange by diffusion?
a. Simple squamous epithelium
b. Simple columnar epithelium
c. Stratified cuboidal epithelium
d. Simple cuboidal cells
e. Stratified squamous epithelium
What type of epithelial tissue lines kidney tubules?
a. Stratified squamous epithelium
b. Stratified cuboidal epithelium
c. Simple squamous epithelium
d. Simple cuboidal cells
e. Stratified transitional epithelium
What type of muscle is responsible for contractions of the digestive tract and arteries?
a. Smooth muscle
b. Skeletal muscle
c. Straited muscle
d. Voluntary muscle
e. Cardiac muscle
,Cardiac muscle is the only muscle composed of …. Fibers
a. Branched
b. Unstriated
c. Unbranched and cylindrical
d. Spindle shaped
e. Striated
… muscle is attached to bones
a. Smooth
b. Involuntary
c. Cardiac
d. Branched
e. Skeletal
A neuron consists of _____.
a. A cell body only
b. Dendrites only
c. Axons only
d. Dendrites, a cell body, and axons
e. Striations
Nervous tissue functions _____.
a. As a physical barrier to the invasion of pathogens
b. To physically move the body
c. To sense stimuli
d. To physically support the body
e. In the absorption of nutrients
Which of these is an example of negative feedback?
a. As a blood clot begins to form, the process of its formation gets faster and faster.
b. After you eat, glucagon stimulates an increase in blood sugar levels
c. After you eat, insulin stimulates the lowering of blood sugar levels
d. The digestive enzymes pepsinogen is converted to pepsin by the action of hydrochloric acid;
pepsin itself can then convert pepsinogen into pepsin
e. Once labor begins, contractions increase in frequency and intensity
Which term describes a steady state in which the internal conditions of an organism are kept within a
narrow range without regard to the external conditions?
a. Negative feedback
b. Regulatory homeostasis
c. Thermoregulation
d. Conformational homeostasis
Which of the following actions is not a function of the epithelium?
a. Creates an internal environment that is different from the external environment
b. Controls the exchange of nutrients between the internal and external environments
c. Regulates the excretion of waste
d. Allows the internal environment to alter its conditions to match those of the external
environment
, True or false? Organisms must maintain homeostasis because optimal enzyme activity is achieved
within a very narrow range of conditions.
a. True
b. False
Which component of a homeostatic system compares sensory information to a target value?
a. Sensor
b. Set point
c. Effector
d. Integrator
Which component of a homeostatic system perceives changes in some parameter of the
environment?
a. Sensor
b. Set point
c. Effector
d. Integrator
Which of the following actions acts to warm a homeothermic body?
a. Panting
b. Shivering
c. Sweating
d. Dilating blood vessels
Which of the following statements describes a negative feedback response?
a. A person who loses 3 pounds continues to diet to lose an additional 10 pounds
b. After a meal, blood sugar levels in the body rise; insulin is secreted to lower blood sugar
levels
c. The arrival of platelets at a wound site stimulates the recruitment of more platelets to form a
clot
d. The onset of contractions during childbirth stimulates the release of a hormone that
stimulates further contractions
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