Question 1
The action of platelet-derived growth factor is to stimulate the production of
which cells?
Selected Answer: Platelets
• Question 2
•
... [Show More] 1 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 hyper
responsiveness 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
1 out of 1 points
People diagnosed with neurofibromatosis have varying degrees of the condition
because of which genetic principle?
Selected Answer: Expressivity
• Question 5
1 out of 1 points
When endothelial cells are injured, what alteration contributes to atherosclerosis?
Selected Answer: Cells are unable to make the normal amount of vasodilating
cytokines.
• 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
1 out of 1 points
What physical sign does the healthcare professional relate to the result of turbulent
blood flow through a vessel?
Selected Answer: Murmur heard on auscultation
• Question 8
1 out of 1 points
What are tumor cell markers?
Selected Answer: Hormones, enzymes, antigens, and antibodies that are produced
by cancer cells
• Question 9
1 out of 1 points
Once they have penetrated the first line of defense, which microorganisms do
natural killer (NK) cells actively attack?
Selected Answer: mycoplasma
• 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: Somatostatin
• Question 11
1 out of 1 points
What is the single most common cause of cellular injury?
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 Answer: Accumulation of short-chain fatty acids are a source of 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?
Selected Answer: Proximal convoluted tubules
• Question 16
1 out of 1 points
A patient is having an IgE-mediated hypersensitivity reaction. What action by the
healthcare professional is best?
Selected Answer: Give the patient an antihistamine.
• Question 17
1 out of 1 points
A patient has been diagnosed with a renal stone. Based on knowledge of common
stone types, what self-care measure does the healthcare professional plan to teach the
patient when stone analysis has returned?
Selected Answer: Ingest 1000 mg of calcium a day.
• Question 18
1 out of 1 points
Which hormone is required for water to be reabsorbed in the distal tubule and
collecting duct?
Selected Answer: Antidiuretic hormone
• Question 19
1 out of 1 points
The cardiac electrical impulse normally [Show Less]