JB LEARNING EMT PRACTICE EXAM 5: EMS
OPERATIONS AND SAFETY
◉ Harsh, high-pitched inspiratory sounds are characteristic of:.
Answer: stridor
◉ Which of the following structures is NOT found in the upper
airway?
A. larynx
B. pharynx
C. bronchus
D. oropharynx.
Answer: C. bronchus
◉ In infants and children, a capillary refill time (CRT) that is greater
than ______ second(s) is a sign of poor peripheral perfusion..
Answer: 2
◉ Ten days after treating a 34-year-old patient with tuberculosis,
you are given a tuberculin skin test, which yields a positive result.
This MOST likely indicates that:.
,Answer: you were exposed to another infected person prior to
treating the 34-year-old patient.
◉ Distributive shock occurs when:.
Answer: widespread dilation of the blood vessels causes blood to
pool in the vascular beds.
◉ The two processes that occur during respiration are.
Answer: inspiration and expiration.
◉ Which of the following statements regarding the hypoxic drive is
MOST correct?
Choose one answer.
A. Chronic carbon dioxide elimination often results in activation of
the hypoxic drive.
B. 100% supplemental oxygen will always cause apnea in patients
with a hypoxic drive.
C. The hypoxic drive serves as the primary stimulus for breathing in
healthy individuals.
D. The hypoxic drive stimulates a person to breathe on the basis of
low oxygen levels..
Answer: The hypoxic drive stimulates a person to breathe on the
basis of low oxygen levels.
,◉ In order for efficient pulmonary gas exchange to occur:.
Answer: . oxygen and carbon dioxide must be able to freely diffuse
across the alveolar-capillary membrane.
◉ Which of the following statements regarding methicillin-resistant
Staphylococcus aureus (MRSA) is correct?
Choose one answer.
A. MRSA is a bacterium that causes infections and is resistant to
most antibiotics.
B. The communicable period for MRSA is 10 days to 2 weeks after
being infected.
C. Studies have shown that less than 1% of health care providers are
MRSA carriers.
D. Most cases of MRSA transmission occur following an accidental
needlestick..
Answer: MRSA is a bacterium that causes infections and is resistant
to most antibiotics.
◉ Hypoxia is MOST accurately defined as:.
Answer: inadequate oxygen to the tissues and cells.
, ◉ Upon initial contact with a patient who appears to be
unconscious, you should.
Answer: attempt to elicit a verbal response by talking to the patient
◉ Which of the following conditions would LEAST likely result in
hypoxia?
A. pleural effusion
B. pulmonary edema
C. prolonged seizures
D. severe anxiety.
Answer: D. severe anxiety
◉ Syphilis is a:.
Answer: bloodborne disease that can successfully be treated with
penicillin
◉ Which of the following clinical signs is unique to anaphylactic
shock?
Choose one answer.
A. hypotension
B. wheezing
C. pallor
D. dizziness.
OPERATIONS AND SAFETY
◉ Harsh, high-pitched inspiratory sounds are characteristic of:.
Answer: stridor
◉ Which of the following structures is NOT found in the upper
airway?
A. larynx
B. pharynx
C. bronchus
D. oropharynx.
Answer: C. bronchus
◉ In infants and children, a capillary refill time (CRT) that is greater
than ______ second(s) is a sign of poor peripheral perfusion..
Answer: 2
◉ Ten days after treating a 34-year-old patient with tuberculosis,
you are given a tuberculin skin test, which yields a positive result.
This MOST likely indicates that:.
,Answer: you were exposed to another infected person prior to
treating the 34-year-old patient.
◉ Distributive shock occurs when:.
Answer: widespread dilation of the blood vessels causes blood to
pool in the vascular beds.
◉ The two processes that occur during respiration are.
Answer: inspiration and expiration.
◉ Which of the following statements regarding the hypoxic drive is
MOST correct?
Choose one answer.
A. Chronic carbon dioxide elimination often results in activation of
the hypoxic drive.
B. 100% supplemental oxygen will always cause apnea in patients
with a hypoxic drive.
C. The hypoxic drive serves as the primary stimulus for breathing in
healthy individuals.
D. The hypoxic drive stimulates a person to breathe on the basis of
low oxygen levels..
Answer: The hypoxic drive stimulates a person to breathe on the
basis of low oxygen levels.
,◉ In order for efficient pulmonary gas exchange to occur:.
Answer: . oxygen and carbon dioxide must be able to freely diffuse
across the alveolar-capillary membrane.
◉ Which of the following statements regarding methicillin-resistant
Staphylococcus aureus (MRSA) is correct?
Choose one answer.
A. MRSA is a bacterium that causes infections and is resistant to
most antibiotics.
B. The communicable period for MRSA is 10 days to 2 weeks after
being infected.
C. Studies have shown that less than 1% of health care providers are
MRSA carriers.
D. Most cases of MRSA transmission occur following an accidental
needlestick..
Answer: MRSA is a bacterium that causes infections and is resistant
to most antibiotics.
◉ Hypoxia is MOST accurately defined as:.
Answer: inadequate oxygen to the tissues and cells.
, ◉ Upon initial contact with a patient who appears to be
unconscious, you should.
Answer: attempt to elicit a verbal response by talking to the patient
◉ Which of the following conditions would LEAST likely result in
hypoxia?
A. pleural effusion
B. pulmonary edema
C. prolonged seizures
D. severe anxiety.
Answer: D. severe anxiety
◉ Syphilis is a:.
Answer: bloodborne disease that can successfully be treated with
penicillin
◉ Which of the following clinical signs is unique to anaphylactic
shock?
Choose one answer.
A. hypotension
B. wheezing
C. pallor
D. dizziness.
