Question 1
The action of platelet-derived growth factor is to stimulate the production of which cells?
Selected
Answer:
Platele
ts
• Question 2
1
... [Show More] out of 1 points
A healthcare professional is educating a patient about asthma. The professional states
that good control is necessary due to which pathophysiologic process?
Selected
Answer:
Uncontrolled inflammation leads to increased bronchial
hyperresponsiveness and eventual scarring.
• Question 3
1 out of 1 points
What is an expected change in the cardiovascular system that occurs with aging?
Selected
Answer:
Arterial
stiffening
• Question 4
0 out of 1 points
People diagnosed with neurofibromatosis have varying degrees of the condition because
of which genetic principle?
Selected
Answer:
Dominan
ce
• Question 5
0 out of 1 points
When endothelial cells are injured, what alteration contributes to atherosclerosis?
Selected
Answer:
The release of toxic oxygen radicals that oxidize low-density
lipoproteins (LDLs)
• Question 6
1 out of 1 points
A healthcare professional cares for older adults in a skilled nursing facility. What should
the professional assess for in these individuals related to cardiovascular functioning?
Selected
Answer:
Increased rate of falling and dizzy
spells
• Question 7
0 out of 1 points
What physical sign does the healthcare professional relate to the result of turbulent
blood flow through a vessel?
Selected
Answer:
Bounding pulse felt on
palpation
What are tumor cell markers?
Selected
Answer:
Hormones, enzymes, antigens, and antibodies that are produced
by cancer cells
• Question 9
0 out of 1 points
Once they have penetrated the first line of defense, which microorganisms do natural
killer (NK) cells actively attack?
Selected
Answer:
Bacteri
a
• Question 10
1 out of 1 points
Which gastric hormone inhibits acid and pepsinogen secretion, as well as decreases the
release of gastrin?
Selected
Answer:
Somatosta
tin
• Question 11
What is the single most common cause of cellular injury?
1 out of 1 points
Selected
Answer:
Hypoxic
injury
• Question 12
1 out of 1 points
A professor has taught the students about the sources of increased ammonia in patients
with hepatic encephalopathy. What statement by a student indicates the professor
should review this material?
Selected Accumulation of short-chain fatty acids are a source of
Answer: increased ammonia.
• Question 13
1 out of 1 points
Surfactant produced by type II alveolar cells facilitates alveolar distention and
ventilation by which mechanism?
Selected
Answer:
Decreasing surface tension in the
alveoli
• Question 14
1 out of 1 points
A patient is brought to the Emergency Department with a gunshot wound to the chest.
The healthcare professional assesses an abnormality involving a pleural rupture that
acts as a one-way valve, permitting air to enter on inspiration but preventing its escape
by closing during expiration. What action by the healthcare professional is the priority?
Selected
Answer:
Assist with a chest tube
insertion.
• Question 15
1 out of 1 points
What is the only surface inside the nephron where cells are covered with microvilli to
increase the reabsorptive surface area called?
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