Which statement accurately describes childhood asthma?
An obstructive airway disease characterized by reversible airflow obstruction, bronchial hyperreactivity, and inflammation
A pulmonary disease characterized by severe hypoxemia, decreased pulmonary compliance, and diffuse densities on chest x-ray imaging
A pulmonary disorder involving an abnormal expression of a protein, producing viscous mucus that lines the airways, pancreas, sweat ducts, and vas deferens
An obstructive airway disease characterized by atelectasis and increased pulmonary resistance as a result of a surfactant deficiency
Question 3
0 / 2 pts
The ability of the pathogen to invade and multiply in the host is referred to as:
Infectivity
Toxigenicity
Pathogenicity
Virulence
Question 4
2 / 2 pts
Obesity creates a greater risk for dehydration in people because:
Adipose cells contain little water because fat is water repelling.
The metabolic rate of obese adults is slower than the rate of lean adults.
The rate of urine output of obese adults is higher than the rate of output of lean adults.
The thirst receptors of the hypothalamus do not function effectively.
Question 5
2 / 2 pts
Continued therapy of pernicious anemia (PA) generally lasts how long?
6 to 8 weeks
8 to 12 months
Until the iron level is normal
The rest of one’s life
Question 6
2 / 2 pts
Which statement best describes cystic fibrosis?
Obstructive airway disease characterized by reversible airflow obstruction, bronchial hyperreactivity, and inflammation
Respiratory disease characterized by severe hypoxemia, decreased pulmonary compliance, and diffuse densities on chest x-ray imaging
Pulmonary disorder involving an abnormal expression of a protein-producing viscous mucus that obstructs the airways, pancreas, sweat ducts, and vas deferens
Pulmonary disorder characterized by atelectasis and increased pulmonary resistance as a result of a surfactant deficiency
Question 7
2 / 2 pts
What pulmonary defense mechanism propels a mucous blanket that entraps particles moving toward the oropharynx?
Nasal turbinates
Alveolar macrophages
Cilia
Irritant receptors on the nares
Question 8
2 / 2 pts
As stated in the Frank-Starling law, a direct relationship exists between the _____ of the blood in the heart at the end of diastole and the _____ of contraction during the next systole.
Pressure; force
Volume; strength
Viscosity; force
Viscosity; strength
Question 9
2 / 2 pts
The tonic neck reflex observed in a newborn should no longer be obtainable by:
2 years
1 year
10 months
5 months
Question 10
2 / 2 pts
Carcinoma refers to abnormal cell proliferation originating from which tissue origin?
Blood vessels
Epithelial cells
Connective tissue
Glandular tissue
Question 11
2 / 2 pts
Which of the following describes how the body compensates for anemia?
Increasing rate and depth of breathing
Decreasing capillary vasoconstriction
Hemoglobin holding more firmly onto oxygen
Kidneys releasing more erythropoietin
Question 12
2 / 2 pts
What term is used to describe a hernial protrusion of a saclike cyst that contains meninges, spinal fluid, and a portion of the spinal cord through a defect in a posterior arch of a vertebra?
Encephalocele
Meningocele
Spina bifida occulta
Myelomeningocele
Question 13
2 / 2 pts
Chvostek and Trousseau signs indicate which electrolyte imbalance?
Hypokalemia
Hyperkalemia
Hypocalcemia
Hypercalcemia
Question 14
2 / 2 pts
After sexual transmission of HIV, a person can be infected yet seronegative for how many months?
1 to 2
6 to 14
18 to 20
24 to 36
Question 15
2 / 2 pts
Which hormone prompts increased anxiety, vigilance, and arousal during a stress response?
Norepinephrine
Epinephrine
Cortisol
Adrenocorticotropic hormone (ACTH)
Question 16
2 / 2 pts
Which blood cells are the chief phagocytes involved in the early inflammation process?
Neutrophils
Monocytes
Eosinophils
Erythrocytes
Question 17
2 / 2 pts
Where are alveolar macrophages found?
Skin
Breasts
Gastrointestinal tract
Lungs
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