EMT Brady CH 8

How much of the normal tidal volume does the alveolar ventilation account​ for? A. 250 mL B. 350 mL C. 750 mL D. 150 mL

B. 350 mL

Red blood cells comprise about what percentage of blood volume in​ men? A. 25 percent B. 48 percent C. 42 percent D. 90 percent

B. 48 percent

The tidal volume is comprised of alveolar ventilation and what other volume of​ air? A. Tracheal volume B. Dead space C. Oropharyngeal volume D. Suprapulmonary volume

B. Dead space

Which of the following does not have a direct influence on normal​ perfusion? A. Systemic vascular resistance B. Glucose level C. Heart rate D. Blood volume

B. Glucose level

What is the effect of a decreased tidal volume in a patient who has a rib​ fracture? A. The perfusion will increase. B. He will breathe faster to keep the minute volume normal. C. The blood flow through the heart slows down. D. The heart rate slows to compensate.

B. He will breathe faster to keep the minute volume normal.

What is the basic function of hydrostatic​ pressure? A. It helps to shift fluid from the interstitial spaces into the cellular spaces. B. It is a force that pushes fluid out of the vessel or capillary bed. C. It is a pulling force that keeps fluid in the cells. D. It helps to shift fluid from the interstitial spaces into the vascular spaces

B. It is a force that pushes fluid out of the vessel or capillary bed.

What is the basic function of hydrostatic​ pressure? A. It is a pulling force that keeps fluid in the cells. B. It is a force that pushes fluid out of the vessel or capillary bed. C. It helps to shift fluid from the interstitial spaces into the vascular spaces. D. It helps to shift fluid from the interstitial spaces into the cellular spaces.

B. It is a force that pushes fluid out of the vessel or capillary bed.

During anaerobic metabolism in​ cells, what is responsible for creating the acidic state of the​ blood? A. Pyruvate diminishment B. Lactic acid accumulation C. Acetaldehyde development D. Alcohol fermentation

B. Lactic acid accumulation

A patient has sustained significant blood loss due to an injury. Why does this lead to​ shock? A. The cells leak out fluid to surrounding tissue. B. Loss of blood causes diminished cellular perfusion. C. Because the blood he loses has the​ cell's sugar supply. D. The loss of clotting factors causes all the​ body's cells to bleed.

B. Loss of blood causes diminished cellular perfusion.

When a patient is severely burned over MOST of his​ body, the cellular and vascular damage created by the burn results in large protein molecules leaving the vascular space. As a result of​ this, which of the choices will the patient​ experience? A. High hydrostatic pressure B. Low oncotic pressure C. High oncotic pressure D. Low hydrostatic pressure

B. Low oncotic pressure

Which of the following​ elements, if diminished or absent in a​ patient's bloodstream, could cause uncontrolled​ bleeding? A. Red blood cells B. Platelets C. White blood cells D. Albumin proteins

B. Platelets

Which one of the patients would have a perfusion deficit according to the​ V/Q ratio? A. Bronchial obstruction B. Pulmonary embolus C. Asthma D. Pneumonia

B. Pulmonary embolus

The average size adult has a minute ventilation of how many liters per​ minute? A. Four B. Six C. Two D. Eight

B. Six

Why is it so important for the EMT to seal any open penetrations into the chest as quickly as​ possible? A. A rib may have been fractured which will decrease lung compliance. B. The lungs will collapse if air gets between the two pleural membranes. C. The heart cannot fill if there is not air in the chest. D. To keep the blood from leaking out of the wound and into the pleural cavity.

B. The lungs will collapse if air gets between the two pleural membranes.

Why should the patient who is in shock be administered​ oxygen? A. The oxygen will help to lower the body temperature. B. The patient may be hypoxic at the cellular level. C. The oxygen helps to increase the blood flow through the lungs. D. The vessels in the brain are dilated.

B. The patient may be hypoxic at the cellular level.

How does the majority of carbon dioxide in the body get​ eliminated? A. Through the renal system B. Through the pulmonary system C. Through the vascular system D. Through the pancreatic system

B. Through the pulmonary system

The restriction of airflow that is related to the diameter of the airways is called​ the: A. dead air space. B. airway resistance. C. alveolar ventilation. D. pulmonary circulation.

B. airway resistance.

The amount of air moved in and out of the alveoli in one minute is called​ the: A. residual ventilation volume. B. alveolar ventilation. C. minute volume. D. tidal volume.

B. alveolar ventilation.

In order to BEST understand​ pathophysiology, the EMT should FIRST​ understand: A. patient assessment. B. anatomy and physiology. C. signs and symptoms. D. what the​ patient's underlying diagnosis is.

B. anatomy and physiology.

To ensure adequate breathing in a​ patient, the patient must have both an adequate rate of ventilations and an​ adequate: A. decrease in the depth of ventilations. B. depth of ventilations. C. thoracic chest wall. D. number of alveoli.

B. depth of ventilations.

While working with an ALS​ partner, you observe her starting an IV on a trauma patient with an arterial bleed. You know that this is beneficial​ because: A. it will help carry and prevent free radical formations from hyperoxia. B. extra fluid will increase the preload to the heart. C. it will increase the amount of clotting factors in the​ patient's blood. D. it will cause the heart rate to slow down.

B. extra fluid will increase the preload to the heart.

Ambient air contains​ MOSTLY: A. oxygen. B. nitrogen. C. carbon dioxide. D. argon.

B. nitrogen.

In order to allow for proper metabolism of peripheral​ tissues, there must be a constant supply of blood​ flow, otherwise known​ as: A. hypoperfusion. B. perfusion. C. supraperfusion. D. hyperperfusion.

B. perfusion.

Pressure and volume of blood in the left ventricle at the end of diastole is​ called: A. afterload. B. preload. C. cardiac output. D. systolic blood pressure.

B. preload.

The EMT should know that the role of oxygen in the body​ is: A. an end product of abnormal cell metabolism. B. required for normal cell metabolism. C. an end product of normal cell metabolism. D. carried in the blood as a dissolved ion.

B. required for normal cell metabolism.

Cardiac output is composed​ of: A. blood pressure. B. stroke volume and heart rate. C. systemic vascular resistance​ (SVR) and heart rate. D. blood pressure and heart rate.

B. stroke volume and heart rate.

The normal minute volume is​ about: A. ​12,000 mL. B. ​6,000 mL. C. ​4,000 mL. D. 500 mL.

B. ​6,000 mL.

Why would a hypoxic patient who has severe bleeding NOT be benefited that greatly by the administration of supplemental​ oxygen? A. Bleeding blocks the ability of tissues to use oxygen. B. People with heavy bleeding also have dysfunctional alveoli. C. People who have lost blood have also lost the hemoglobin that carries oxygen. D. He does not have white blood cells to carry the oxygen.

C. People who have lost blood have also lost the hemoglobin that carries oxygen.

If the patient has a drop in the preload to the​ heart, what will be the effect in the​ patient's peripheral perfusion​ status? A. Blood vessels will dilate in order to elevate the systolic pressure. B. Peripheral perfusion will increase whenever stroke volume decreases. C. Peripheral perfusion will likely drop. D. Peripheral perfusion will not be altered.

C. Peripheral perfusion will likely drop.

If the patient experiences a drop in the respiratory rate due to a drug​ overdose, what will be the effect on the​ patient's minute​ ventilation? A. The minute volume will increase. B. The minute volume will initially​ increase, then it will drop. C. The minute volume will decrease. D. There will be no change in the minute volume.

C. The minute volume will decrease.

During the relaxation of the diaphragm and intercostal​ muscles, what happens to the intrathoracic size and​ pressure? A. The size stays the​ same, but the pressure increases. B. The size stays the​ same, but the pressure decreases. C. The size decreases and the pressure increases. D. The size decreases and pressure decreases.

C. The size decreases and the pressure increases.

What is the name of the amount of air breathed in and out with each individual​ breath? A. Minute Volume B. Tidal Ventilation C. Tidal Volume D. Residual volume

C. Tidal Volume

When an increase of blood in the left ventricle causes stretching of the​ ventricle, the​ heart: A. can no longer contract. B. remains unchanged. C. contracts more forcefully. D. contracts less forcefully.

C. contracts more forcefully.

One of the fundamental underlying causes of respiratory compromise​ is: A. increased tidal volume that washes out too much carbon dioxide. B. dilated capillaries in the systemic system. C. failure of the​ alveolar/capillary exchange of gases. D. increased conductivity of the heart muscle causing abnormal blood flow through the lungs.

C. failure of the​ alveolar/capillary exchange of gases.

The inadequate delivery of oxygen and essential nutrients​ to, and removal of wastes​ from, all the tissues of the body is​ called: A. suffocation. B. decreased cardiac output. C. hypoperfusion. D. abnormal circulatory patterns.

C. hypoperfusion.

When the tidal volume is multiplied by the ventilation​ rate, this gives you​ the: A. dead space. B. alveolar volume. C. minute volume. D. residual volume.

C. minute volume.

For the body to remain within normal limits of fluid balance between capillary and interstitial​ compartments: A. hydrostatic pressure must exceed renal perfusion pressure. B. oncotic pressure must exceed hydrostatic pressure. C. oncotic pressure must equal hydrostatic pressure. D. hydrostatic pressure must exceed oncotic pressure.

C. oncotic pressure must equal hydrostatic pressure.

The peripheral chemoreceptors are MOST sensitive​ to: A. sugar levels. B. aciddash base balance. C. oxygen concentration. D. CO2 level.

C. oxygen concentration.

To calculate the cardiac​ output, the EMT knows to multiply the heart rate​ by: A. frequency of contractions. B. left ventricular preload. C. stroke volume. D. systolic blood pressure.

C. stroke volume.

A lack of energy at the cellular level will cause the failure of what process within the cellular wall that result in the cell swelling and​ bursting? A. Electron transfer chain B. Oxidative phosphorylation C. ​Sodium/potassium pump D. Cellular respiration

C. ​Sodium/potassium pump

If a patient has an asthma attack with severe​ bronchoconstriction, what effect can it have on his ability to ventilate the​ alveoli? A. It will decrease airway compliance. B. It will decrease airway resistance. C. It will increase airway compliance. D. It will increase airway resistance.

D. It will increase airway resistance.

The​ moment-to-moment control of microcirculation is provided by what​ mechanism? A. Adrenal gland release of epinephrine B. Hormonal influences C. Neural influences D. Local influences

D. Local influences

What is the name of the ventilatory volume that is calculated by multiplying the tidal volume by the frequency of​ ventilation? A. Ventilation Volume B. Tidal Volume C. Respiration Frequency D. Minute Ventilation

D. Minute Ventilation

Why should EMS providers administer oxygen to a patient suspected of​ hypoxia? A. More oxygen in the inspired air will slow the respiratory rate. B. More oxygen in the inspired air will decrease the absorption of other gases present. C. More oxygen in the inspired air will raise the respiratory rate. D. More oxygen in the inspired air will increase the amount absorbed by the blood.

D. More oxygen in the inspired air will increase the amount absorbed by the blood.

You are caring for a patient who was involved in a farming accident where he was exposed to insecticides used on vegetation. You contact the Poison Control​ Center, which advises you that the chemical will have significant parasympathetic effects on the body. What would you expect this to mean to the​ patient's body? A. The patient may experience heightened sensitivity. B. The patient may experience excessive hyperglycemia. C. The patient may experience significant hypertension. D. The patent may experience significant hypotension.

D. The patent may experience significant hypotension.

When a patient has a lower airway​ obstruction, the MOST likely problem​ is: A. a spasm of the mainstem bronchus. B. swelling of the tongue. C. a piece of meat sitting on the epiglottis. D. bronchoconstriction.

D. bronchoconstriction.

The basic primary fuel for the cell​ is: A. glucagon. B. carbon dioxide. C. oxygen. D. glucose.

D. glucose.

Ambient air contains​ MOSTLY: A. argon. B. oxygen. Your answer is not correct. C. carbon dioxide. D. nitrogen.

D. nitrogen.

The MOST abundant formed element of blood​ is: A. white blood cells. B. plasma. C. platelets. D. red blood cells.

D. red blood cells.

If a patient was breathing ambient​ air, how would you document the amount of oxygen present for alveolar ventilation in percentage​ form? A. 21 B. ​2.1% C. ​0.21% D. ​21%

D. ​21%

The ability of the body to ventilate is an example of what law of​ physics? A. ​Charles's law B. ​Dalton's law C. ​Henry's law D. ​Boyle's law

D. ​Boyle's law

If the baroreceptors in the aortic root sense a drop in aortic root systolic​ pressure, it will send an impulse to what region of the​ brain, and for what​ purpose? A. ​Cerebrum; to stimulate the vasomotor center. B. ​Cerebellum; to stimulate the parasympathetic nervous system. C. ​Hypothalamus; to stimulate the hormonal release of the adrenocorticotropic hormone​ (ACTH). D. ​Brainstem; to stimulate the sympathetic nervous system.

D. ​Brainstem; to stimulate the sympathetic nervous system.

A​ normal-sized adult has a tidal volume of approximately how many​ mL? A. 500 B. 250 C. 750 D. ​1,000

A. 500

During​ exhalation, what is the approximate pressure in the​ thorax? A. 761 mmHg B. 758 mmHg C. 760 mmHg D. 763 mmHg

A. 761 mmHg

What sensory structures are the FIRST to detect arterial blood pressure​ changes? A. Baroreceptors B. Barometers C. pH monitors D. Chemoreceptors

A. Baroreceptors

If a patient is in​ shock, why does his pulse​ increase? A. Because of sympathetic nervous system stimulation B. Because the afterload has been reduced C. Because the heart is stunned D. Because the body produces caffeine

A. Because of sympathetic nervous system stimulation

The exchange of gases at the peripheral tissue capillary level is responsible for the removal of what waste substance from the​ cells? A. CO2 Your answer is correct. B. Nitrogen C. Glucose D. Oxygen

A. CO2

In a healthy​ adult, the respiratory rate and depth is regulated primarily by detecting the level of what in the blood​ stream? A. Carbon dioxide levels B. Amounts of red blood cells C. Saturated hemoglobin D. Oxygen levels

A. Carbon dioxide levels

If a patient has multiple ribs fractured that alter his ability to increase his intrathoracic​ volume, what kind of ventilatory disturbance would this​ be? A. Change in compliance B. Change in passivity C. Change in resistance D. Change in opposition

A. Change in compliance

If a bleb on a lung tissue ruptures and air accumulates in the pleural​ space, what is the MOST likely result of​ this? A. Collapse of the lung with a change in alveolar ventilation B. A rise in the oxygen content of the blood C. An immediate change in the​ patient's mental status D. A decrease in the respiratory rate

A. Collapse of the lung with a change in alveolar ventilation

If a patient is in​ shock, why may he have poor red blood cell​ oxygenation? A. Decreased lung perfusion can contribute to cellular hypoxia. B. He is breathing too slowly. C. Too much blood leaks out of the capillaries. D. The sugar level is too low in the cells.

A. Decreased lung perfusion can contribute to cellular hypoxia.

What causes the pressure change known as plasma oncotic​ pressure? A. Effect of the large proteins in the bloodstream B. Contraction or relaxation of capillary beds C. Contraction of the left ventricle D. The difference between the arterial and venous concentration of electrolytes

A. Effect of the large proteins in the bloodstream

What causes the pressure change known as plasma oncotic​ pressure? A. Effect of the large proteins in the bloodstream B. Contraction or relaxation of capillary beds C. The difference between the arterial and venous concentration of electrolytes D. Contraction of the left ventricle

A. Effect of the large proteins in the bloodstream

Which of the following factors is not considered to be a determinant of stroke​ volume? A. Heart rate B. Preload C. Contractility D. Afterload

A. Heart rate

If you are ventilating a patient with a puncture hole to the lung following a​ stabbing, what negative outcome may you actually produce or contribute​ to? A. Hypoxia B. Hypoglycemia C. Hypertension D. Bradycardia

A. Hypoxia

The EMT should recall that if the patient has a mismatch between the ventilation and perfusion of the​ lungs, what negative outcome could​ happen? A. Hypoxia can occur at the cellular level. B. The patient exhales too much carbon dioxide. C. There is too much glucose circulating in the bloodstream. D. There is too much blood in the cells.

A. Hypoxia can occur at the cellular level.

From what negative affect regarding gas diffusion in the alveoli would a patient with pulmonary edema​ suffer? A. Inability to oxygenate the blood and remove carbon dioxide B. Excessive hyperoxia causing free radical damage to healthy tissue C. Respirations will start to slow and become shallow D. Too much blood flow causes too much carbon dioxide removal

A. Inability to oxygenate the blood and remove carbon dioxide

If the heart rate increases​ slightly, how will this affect the cardiac​ output? A. It will enhance cardiac output. B. It will decrease pulmonary perfusion. C. It will not affect the cardiac output. D. It will diminish cardiac output.

A. It will enhance cardiac output.

Which of the following cellular effects will NOT likely happen to a patient who is breathing in toxic​ gases? A. Oxygen will take on a toxic effect in the body and cause cellular death. B. The cells may be unable to adequately pick up and carry oxygen to the tissues. C. The cells may be unable to use the oxygen present. D. Oxygen molecules may be displaced and the cells can suffocate.

A. Oxygen will take on a toxic effect in the body and cause cellular death.

What two divisions of the nervous system help to control blood flow through the​ arterioles? A. Parasympathetic and sympathetic B. Autonomic and voluntary C. Voluntary and cerebellar D. Sympathetic and antisympathetic

A. Parasympathetic and sympathetic

Which ion will start to accumulate within the cell should the​ sodium-potassium pump fail following a period of​ hypoxia? A. Sodium B. Carbon dioxide C. Magnesium D. Potassium

A. Sodium

What would be the expected result of the body when a patient has massive vasodilation secondary to a severe blood​ infection? A. The heart rate and stroke volume will attempt to increase. B. The heart rate will slow down and the stroke volume will increase. C. Preload will increase due to venous congestion and thus stroke volume will rise. D. The respiratory rate will slow down.

A. The heart rate and stroke volume will attempt to increase.

A patient has an initial blood pressure of​ 120/78, with a heart rate of 86 per minute. Five minutes later his blood pressure is​ 128/92, with a heart rate of 82 per minute. Which of the following statements about the change in the vitals is MOST​ correct? A. The patient has experienced an increase in his systemic vascular resistance. B. The patient has experienced an increase in his pulmonic vascular resistance. C. The patient is probably bleeding into his GI system unnoticed. D. The patient has arterial constriction and venous dilation.

A. The patient has experienced an increase in his systemic vascular resistance.

What effect would systemic vasoconstriction have on the blood​ pressure? A. The​ B/P increases. B. The​ B/P decreases. C. The​ B/P increases only if the heart rate increases. D. The​ B/P remains the same.

A. The​ B/P increases.

If a patient has a hole in the chest​ wall, why does the treatment include sealing the hole with an occlusive​ dressing? A. To help decrease the development of a positive pressure between the pleural linings B. To allow the pleural pressures to become positive in nature again C. To improve the​ brain's nerve control over ventilation D. To prevent blood from leaking into the lung tissue

A. To help decrease the development of a positive pressure between the pleural linings

If there were a pathological change to the​ alveoli, what finding may the EMT note in the​ patient? A. Trouble breathing B. A drop in the heart rate C. A severe headache or double vision D. An increase in the urinary output

A. Trouble breathing

What are the main constitutes of​ plasma? A. Water and proteins B. Intracellular fluid C. Water and intracellular fluids D. Water

A. Water and proteins

An example of a patient having respiratory compromise due to a disruption of pleural linings would​ include: A. a pneumothorax. B. asthma. C. an overdose on a narcotic drug. Your answer is not correct. D. a mechanical airway obstruction.

A. a pneumothorax.

An example of a patient having respiratory compromise due to a respiratory problem with the central nervous system would​ include: A. a spinal cord injury. B. hypoperfusion. C. an upper airway obstruction. D. asthma.

A. a spinal cord injury.

Ultimately, the​ sodium/potassium pump in the cell will fail because of a lack​ of: A. energy. B. oxygen. C. carbon dioxide. D. glucose.

A. energy.

If too much sodium accumulates inside the​ cell, the cell begins​ to: A. expand. B. lose its protective membrane. C. reproduce. D. shrink.

A. expand.

Oxygen is transported through the blood by binding​ to: A. hemoglobin. B. alveoli. C. white blood cells. D. potassium sites.

A. hemoglobin.

When the diaphragm​ contracts, the​ patient: A. inhales. B. exhales. C. coughs. D. is able to speak.

A. inhales.

The distribution of blood flow through the microcirculation is primarily responsive​ to: A. local tissue needs. B. parasympathetic stimulation. C. sympathetic stimulation. D. the postcapillary sphincter

A. local tissue needs.

The component of whole blood that is primarily composed of water is​ the: A. plasma. B. electrolytes in solute. C. albumin. D. electrolytes.

A. plasma

The component of whole blood that is primarily composed of water is​ the: A. plasma. B. electrolytes. C. albumin. D. electrolytes in solute.

A. plasma.

The normal signal for the respiratory center of the brain to stimulate the respiratory muscles to increase ventilations would​ be: A. the amount of CO2 in the arterial blood. B. the amount of oxygen in the venous blood. C. the amount of CO2 in the capillaries. D. the amount of acids developing in the muscles.

A. the amount of CO2 in the arterial blood.

What does FiO2 stand​ for? A. Failure of the inspiratory muscles B. Fraction of used oxygen C. Function of the inhaled oxygen D. Fraction of inspired oxygen

D. Fraction of inspired oxygen

What are the two basic molecules that are necessary for normal cell​ metabolism, energy​ creation, and​ function? A. Oxygen and carbon dioxide B. Glucose and carbon dioxide C. Oxygen and glucose D. Glucose and hydrogen

C. Oxygen and glucose

You are treating a patient who has lost a significant amount of blood volume after a traumatic​ injury, and his systolic pressure is low. What body function will NOT be part of the compensatory mechanism trying to maintain a normal perfusion​ pressure? A. Medulla oblongata B. Baroreceptors C. Parasympathetic stimulation D. Heart rate

C. Parasympathetic stimulation

When considering the normal tidal​ volume, how much of that is accounted for by the​ "dead space?" A. ​1,000 mL B. 500 mL C. 150 mL D. 250 mL

C. 150 mL

What value does the intrathoracic pressure drop to during​ inhalation? A. 763 mmHg B. 760 mmHg C. 758 mmHg D. 752 mmHg

C. 758 mmHg

What is the process that produces carbon dioxide in the​ body? A. A drop in cellular ATP creation. B. It is formed to serve as the primary energy source for cellular mitochondria. C. An end product of normal cell metabolism. D. The result of abnormal metabolism.

C. An end product of normal cell metabolism.

If a patient is in​ shock, why does his pulse​ increase? A. Because the body produces caffeine B. Because the heart is stunned C. Because of sympathetic nervous system stimulation D. Because the afterload has been reduced

C. Because of sympathetic nervous system stimulation

The majority of carbon dioxide is transported in the body by this​ mechanism? A. Attached to red blood cells B. Dissolved in plasma C. By the bloodstream as a bicarbonate ion D. Chemically bound by hemoglobin

C. By the bloodstream as a bicarbonate ion

The term​ "pathophysiology" means​ what? A. The effects of cancer on the body B. The study of the pathway of normal metabolism in the body C. Changes in normal physiology due to disease or injury D. The effect of normal metabolic activity on maintaining the​ body's systems

C. Changes in normal physiology due to disease or injury

Because of dilation of the vascular system in neurogenic​ shock, you would expect the blood pressure​ to: A. remain the same. B. increase as a result of an increase in the heart rate that occurs. C. Decrease. D. Increase.

C. Decrease.

What is the name of the ventilatory volume that is calculated by multiplying the tidal volume by the frequency of​ ventilation? A. Respiration Frequency B. Ventilation Volume C. Minute Ventilation D. Tidal Volume

C. Minute Ventilation

If there is an increase stretch to the baroreceptors above​ normal, what will be the​ response? A. The baroreceptors will slow the heart rate by direct nervous control and the release of hormones. B. A message will be sent to the brainstem to increase the heart rate. C. A message will be sent to the kidneys to reabsorb more fluid. D. A message will be sent to the brainstem to increase parasympathetic tone.

D. A message will be sent to the brainstem to increase parasympathetic tone.

The inability to maintain a​ patient's airway or ventilatory status can lead to what detrimental cellular​ event? A. Hormonal hypersensitivity B. Increased biochemical reactions C. Drop in oxygen need by peripheral tissues D. Cellular death

D. Cellular death

What generates the force that results in hydrostatic​ pressure? A. Gravity flow of venous blood from the brain and upper extremities B. The effects of large proteins in the blood C. Blood flow through the lungs during breathing D. Contraction of the left ventricle

D. Contraction of the left ventricle

Which of the following situations could cause poor tissue oxygenation of the extremities despite the arterial blood being​ oxygenated? A. A brain tumor B. Spinal injury C. A narcotic overdose D. Dropping systolic blood pressure

D. Dropping systolic blood pressure

What does FDO2 stand​ for? A. Failure of dormant oxygen B. Fraction of desired oxygen C. Function of delivered oxygen D. Fraction of delivered oxygen

D. Fraction of delivered oxygen