Biology

2 of 45

Which one of the following types of tissue stores fat in the body?

[removed] blood
[removed] cartilage
[removed] bone
[removed] adipose
[removed] fibrous connective tissue

Question

3 of 45

Which of the following is true of a typical skeletal muscle?

[removed] Contraction is involuntary.
[removed] It is found in the walls of organs such as the digestive tract.
[removed] Its fibers do not have a striped appearance under the microscope.
[removed] It can be enlarged by exercise.
[removed] It is only found in heart tissue.

Question

4 of 45

Which type of tissue forms a communication and coordination system within the body?

[removed] nervous
[removed] blood
[removed] epithelial
[removed] connective
[removed] muscle

Question

5 of 45

Homeostasis __________.

[removed] is the maintenance of a constant internal state
[removed] only comes into play when you are ill
[removed] is a pathological condition
[removed] is the maintenance of a relatively stable internal environment
[removed] is the way the internal environment influences the external environment

Question

6 of 45

What are the four fundamental types of body tissues?

[removed] connective, cardiac, nervous, and adipose tissue.
[removed] connective, epithelial, nervous, and muscle tissue.
[removed] epithelial, hormonal, cellular, and bone tissue.
[removed] epithelial, glandular, muscle, and nervous tissue.
[removed] connective, neurons, muscle, and cartilage tissue.

Question

7 of 45

What is the main function of connective tissue?

[removed] support
[removed] movement
[removed] protection
[removed] response to stimuli
[removed] covering

Question

8 of 45

Which of the following is NOT a function of the skin?

[removed] protection from invasion by bacteria
[removed] temperature regulation
[removed] sensing the world around us
[removed] protection from physical injury
[removed] production of hormones promoting tanning

Question

9 of 45

What are the two main divisions of the skeletal system?

[removed] cranial and axial
[removed] vertebral and appendicular
[removed] appendicular and axial
[removed] axial and articular
[removed] articular and cranial

Question

10 of 45

Which of the following carry incoming messages toward the cell body of a neuron?

[removed] axons
[removed] dendrites
[removed] actin filaments
[removed] myosin filaments
[removed] supporting cells

Question

11 of 45

The four stages of food processing are, in order:

[removed] ingestion, absorption, elimination, digestion
[removed] ingestion, elimination, digestion, absorption
[removed] ingestion, digestion, absorption, elimination
[removed] digestion, absorption, ingestion, elimination
[removed] elimination, absorption, digestion, ingestion

Question

12 of 45

Once an action potential is triggered, the first major chemical change is __________.

[removed] a reversal of the membrane polarity, with the interior of the cell becoming positive
[removed] a reversal of the membrane polarity, with the interior of the cell becoming negative
[removed] an increase in the negative charge inside the neuron
[removed] an increase in the positive charge inside the neuron
[removed] propagation of an impulse

Question

13 of 45

The function of the sphincter at the downstream end of the stomach is to __________.

[removed] retain acid chime in the stomach until pepsin digestion is complete
[removed] release bile into the duodenum when chime is present
[removed] release pancreatic secretions into the duodenum when chime is present
[removed] release bile and pancreatic secretions into the duodenum when chime is present
[removed] release acid chime into the duodenum in periodic squirts

Question

14 of 45

Muscles are connected to bones by ______.

[removed] thick filaments
[removed] ligaments
[removed] tendons
[removed] other muscles
[removed] myofibrils

Question

15 of 45

A thick filament consists of ______.

[removed] actin
[removed] actin and regulatory proteins
[removed] myosin
[removed] myosin and regulatory filaments
[removed] actin and myosin

Question

16 of 45

When the wall of the stomach fails to protect itself from erosion by gastric juice, the result is __________.

[removed] heartburn
[removed] reverse peristalsis
[removed] a duodenal ulcer
[removed] nausea
[removed] a gastric ulcer

Question

17 of 45

Most nutrient absorption occurs in which part of the digestive system?

[removed] stomach
[removed] liver
[removed] pancreas
[removed] small intestine
[removed] large intestine

Question

18 of 45

Which of the following is a junction between two neurons?

[removed] Schwann cell
[removed] Chemical synapse
[removed] Node of Ranvier
[removed] Sodium gate
[removed] Polarity space

Question

19 of 45

Which of the following organs of the digestive system is different from the other four because it does NOT produce any secretions that aid in the digestive process?

[removed] stomach
[removed] liver
[removed] esophagus
[removed] pancreas
[removed] Important secretions are released by all of the above organs.

Question

20 of 45

Outnumbering neurons by up to 50 to 1, which cells protect, insulate, and reinforce neurons?

[removed] sensory cells
[removed] motor cells
[removed] axon cells
[removed] satellite cells
[removed] supporting cells

Question

21 of 45

All veins carry __________.

[removed] blood toward the heart
[removed] interstitial fluid
[removed] blood away from the heart
[removed] oxygen-rich blood
[removed] oxygen-poor blood

Question

22 of 45

Trace the path of a red blood cell in a circuit that takes it from the capillary bed of the right kidney to the capillary bed of the left kidney.

[removed] capillary bed of right kidney….venules….veins….right atrium….right ventricle….pulmonary arteries….capillaries of lungs….pulmonary veins….left atrium….left ventricle….aorta….arteries….arterioles…. capillary bed of left kidney
[removed] capillary bed of right kidney….venules….veins….right atrium….right ventricle…. pulmonary veins….capillaries of lungs….pulmonary arteries….left atrium….left ventricle…..aorta….arteries….arterioles….capillary bed of left kidney
[removed] capillary bed of right kidney….venules….v eins…..left atrium….left ventricle…. pulmonary arteries….capillaries of lungs….pulmonary veins….right atrium…. right ventricle….aorta….arteries…..arterioles….capillary bed of left kidney
[removed] capillary bed of right kidney….arterioles….arteries….aorta….right atrium….right ventricle….pulmonary arteries….capillaries of lungs….pulmonary veins….left atrium ….left ventricle….veins….venules….capillary bed of left kidney
[removed] capillary bed of right kidney….venules….veins….left atrium….left ventricle…. pulmonary veins….capillaries of lungs….pulmonary arteries….right atrium…. right ventricle….aorta….arteries….arterioles….capillary bed of left kidney

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