Assignments/Quizzes Exam 4 Flashcards
Skin is the largest body organ, constituting ________ of the body weight.
5% to 10%
15% to 20%
25% to 30%
35% to 40%
15-20%
What is the primary function of fibroblasts in the dermis?
Collagen synthesis for skin strength and wound healing
Synthesis of keratin
Perception of heat, cold, pain, itching
Production of apocrine sweat
Collagen Synthesis for skin strength and wound healing
Which of the following is true about skin lesions?
Ulcer and scaly skin are considered primary lesions.
Wheal and vesicle are considered secondary lesions.
Skin lesions can result from the reaction to radiotherapy or medication.
Most birthmarks require treatment.
Skin lesions can result from the reaction to radiotherapy or medication
Which of the following lab values are the most relevant to skin lesions and wound healing?
AST and ALT
Prealbumin and hematocrit
Albumin and bilirubin
TSH and ACTH
Prealbumin and hematocrit
Which of the following is true about aging and the integumentary system?
- For women, excessive facial hair may occur along the upper lip and around the chin.
- Gray hair and balding are visible indications of skin changes associated with aging.
- With aging, blood vessels within the dermis are reduced in number, and the walls are thinned.
- All the above
All of the above
Which of the following is true about skin infection?
Herpes zoster is bacterial infection. !
Athlete’s foot (Tinea Pedis) is fungal infection.
Cellulitis is a viral infection.
Warts (Verrucae) are parasitic infections.
Athletes foot is a fungal infection
Which of the following is true for first-degree burn?
- Normally with little or no pain.
- Ultraviolet exposure can be the cause.
- Large thick-walled blisters covering extensive area.
- Superficial partial-thickness burn heals in 14-21 days.
Ultraviolet exposure can be the cause
You are working in an ICU and treating a 34-year-old female patient who has sustained second- and third-degree burns over her front chest, abdomen, and front left upper extremity. Using the Wallace rule of nines, total body surface area (TBSA) is
9%
18%
22.5%
Over 36%
22.5
______ account for approximately 75% (43% flame or fire; 34% scalding) of all burn center admissions
Chemical burns
Electrical burns
Thermal burns
Radiation burns
Thermal burns
Extensive burns result in generalized body ______ in both burned and nonburned tissues and a ______ in circulating intravascular blood volume
inflammation; decrease
erythema; increase
edema; decrease
pain; increase
edema; decrease
___ is the most common and life-threatening complication of burn injuries.
Abscess
Gangrene
Infection
Hypertrophic scarring
Infection
Which of the following is true on skin transplantation for person with burn?
Autograft are usually cadaver skin.
Allografts are typically pigskin.
Biosynthetic grafts are a combination of collagen and synthetics.
Xenografts are the person’s own skin.
Biosynthetic grafts are a combination of collagen and synthetics
What are the three classic determinants of burn mortality?
TBSA, age, and inhalation injury
Location, depth, and age
Temperature, source of energy, and duration
Family history, degree-burn, and sec
TBSA, age, inhalation injury
Which of the following are the common medical complications of gastrointestinal system on a person with burn?
Paralytic ileus
Appendicitis
Diverticulosis
Peptic ulcer
Paralytic ileus
Which of the following body parts would get pressure injuries the most easily?
Clavicle and sternum
Scapula and elbow
ASIS and pubic tubercles
Medial epicondyle and medial malleolus
Scapula and elbow
Partial-thickness skin loss with exposed dermis is considered ______ pressure injury.
stage 1
stage 2
stage 3
stage 4
stage 2
Which of the following patient populations may have higher risk of infection if they develop pressure injuries on the skin, because they are unable to mount a sufficient inflammatory response to start the healing?
Type 2 diabetes
Eczema
Squamous Cell Carcinoma
Low back pain
Type 2 diabetes
Which of the following is appropriate medical management for a patient with pressure injuries?
Negative pressure wound therapy
Adequately redistribute the pressure
Electrical stimulation
All of the above
All of the above
Which of the following is the common cardiovascular sign or symptom in integumentary system?
Cyanosis
Intermittent claudication
Syncope
Myalgias
Cyanosis
Which of the following is true about aging and the cardiovascular system?
The hearts of older persons pump more blood to peripheral organs than that of a younger person.
Vascular aging involves epithelial dysfunction and increase in arterial wall thickness and stiffness.
Age-related decline in steroid hormones triggers a feedback loop to elevate cholesterol concentrations.
Aerobic capacity, measured as peak oxygen uptake (VO2), is increased in aging.
Age-related decline in steroid hormones triggers a feedback loop to elevate cholesterol concentrations.
Which of the following lab results can be mostly identified on a person with metabolic syndrome?
Blood pressure 115/75 mm Hg
Fasting blood glucose 95 mg/dL
Triglyceride 200 mg/dL
HDL (high-density lipoprotein) 55 mg/dL
Triglyceride 200
When athero mas (plaques of fatty deposits) form in the inner layer (intima) of the arteries, it is called _____.
Mönckeberg arteriosclerosis
Atherosclerosis
Arteriolosclerosis
Arteriolar sclerosis
Atherosclerosis
Which of the following surgical management is primarily for atherosclerosis of the coronary arteries?
Ambulatory electrocardiography
Coronary Artery Bypass Graft (CABG)
Implantable cardioverter-defibrillator
Echocardiogram (Echo)
CABG
Which of the following medications can treat hypertension?
α-Adrenergic Receptor Antagonists and Direct Renin Inhibitors
Calcium Channel Blockers and Angiotensin-
Converting Enzyme (ACE) Inhibitors
Diuretics and β-Adrenergic Receptor Antagonists (β Blockers)
All of the above
All
What is true for angina pectoris?
Any condition that decrease the blood (oxygen) supply or increase blood (oxygen) demand of the myocardium can cause myocardial ischemia.
Pain that spreads to the throat, neck, back, jaw, shoulder or arms is one of the most common warning signs of heart attack.
Anemia can cause myocardial ischemia.
All of the above
All of the above
Which of the following is modifiable risk factors of primary hypertension?
Personality traits (hostility, sense of hopelessness)
Age (>55 years)
Family history
Ethnicity
Personality traits
_________ is a disturbance of heart rate or rhythm caused by an abnormal rate of electrical impulse generation by the sinoatrial (SA) node or the abnormal conduction of impulses.
Myocardial infarction
Heart failure
Arrhythmia (dysrhythmia)
Pericarditis
Arrhythmia
Which of the following is the risk factor for deep venous thrombosis?
Neurologic disorder (e.g., spinal cord injury, stroke)
Prolonged air travel
Childbirth and delivery
All of the above
All of the above
Which of the following is true about lymphatic system?
The thoracic duct carries far less lymph than the left lymphatic duct, draining mainly the right arm and head, the heart and lungs, and the anterior chest wall.
It is designed to absorb macromolecules (protein and fatty acids); help maintain fluid balance in the tissues; fight infection; and assist in the removal of cellular debris and waste products from the extracellular spaces.
Superficial vessels generally parallel the venous system.
Deep vessels generally parallel the nervous system.
It is designed to absorb macromolecules (protein and fatty acids); help maintain fluid balance in the tissues; fight infection; and assist in the removal of cellular debris and waste products from the extracellular spaces.
Which of the following body region contain more lymph nodes?
Anterior knee
Axillary
Calcaneus
Scalp
Axillary
What is true about lymph nodes?
As lymph flows from the periphery to the root of the limbs and on to the central circulation, it passes through many lymph nodes, which act as filters to cleanse the lymph of waste products and cellular debris.
Lymph nodes produce lymphocytes and macrophages.
Lymph nodes offer 100 times the normal resistance to flow of lymph within the lymphatic vessels themselves, which explains why they are often the sites of obstruction in lymphatic dysfunction.
All of the above
All of the above
What is lymphadenopathy?
Enlargement of the lymph nodes
Inflammation of a lymphatic vessel
An increased amount of lymph fluid in the soft tissues
Inflammation of one or more lymph nodes
Enlargement of the lymph nodes
What is true for lymphedema?
Most commonly seen in the axillary and inguinal areas.
In advanced cases of lymphedema, loss of skin integrity allows portals of entry for bacteria to invade the skin and cause recurrent infection
The most common cause of secondary lymphedema in the US is filariasis.
Stage I (one) lymphedema is referred to as lymphostatic elephantiasis.
In advanced cases of lymphedema, loss of skin integrity allows portals of entry for bacteria to invade the skin and cause recurrent infection
In what type of anemia would one see red blood cells of various SIZES?
Microcytic
Anisocytosis
Poikilocytosis
Macrocytic
Anisocytosis
Pernicious anemia is caused by autoantibodies that block the formation of the _____.
sodium
B12-intrinsic factor complex
folate
iron
B12-intrinsic factor complex
Lack of clotting factor _____ causes hemophilia A.
I
IX
V
VIII
VIII
Which of the following could be the cause of hemolytic (destruction of erythrocytes) anemia?
Excessive menstruation
Bone marrow failure
Hemoglobinopathies (e.g., sickle cell diseases)
Nutritional deficiency
Hemoglobinopathies
Which of the following is true for complete blood count (CBC)?
Decreased hematocrit (Hct) may indicate there is an anemia caused by blood loss.
Increased erythrocyte (rec cell count) may indicate there is a dietary insufficiency of iron and vitamins.
Hemoglobin (Hb) measures the percentage of whole blood occupied by red blood cells (RBCs).
A patient with thrombocytopenia may have platelets count above 400,000 / mm3
Decreased hematocrit (Hct) may indicate there is an anemia caused by blood loss.
Which of the following is true on skin transplantation for person with burn?
Autograft are the persons own skin