quiz 7

Question 1

Which of the following statements concerning arteries is true?

All arteries carry oxygenated blood.
, Not Selected

All arteries return blood to the heart.
, Not Selected

All arteries carry blood away from the heart.
, Not Selected

All arteries carry deoxygenated blood.

Answer 1

arteries carry blood away from the heart

Question 2

The process by which glucose and other nutrients are converted into energy is called:

Answer 2

metabolism

Question 3

Preload is a function of systemic vascular resistance.

Answer 3

fals

Question 4

The basic nutrient of the cell and the building block for energy is:

Answer 4

glucose

Question 5

The pressure that is created when the heart pushes the blood throughout the circulatory system is called:

Answer 5

hydrostatic pressure

Question 6

Daniel is performing landscaping on a summer day when he suddenly becomes dizzy and feels like he might faint. This disruption of fluid balance is called:

Answer 6

hypotension

Question 7

If a hole is created in the chest wall, air could escape or be drawn in, or if bleeding develops within the chest, air and blood can accumulate in the pleural space. This would force the lung to:

Answer 7

collapse

Question 8

A 12-year-old female patient is having an asthma attack after participating in some strenuous activity during recess at school. She’s taken several doses of her own bronchodilator with little relief. Your partner immediately administers oxygen. Providing supplemental oxygen will increase the amount of oxygen molecules carried by the __________ in her blood, helping oxygenate critical organs like the brain.

Answer 8

hemoglobin

Question 9

The metabolism that creates large amounts of carbon dioxide and lactic acid but generates little energy is called:

Answer 9

anaerobic

Question 10

Rookie EMT Brenda has just finished her first run and she notices her heart rate is 130 beats per minute. She tells her partner who says that this is just the fight or flight response and it will slow down once she rests. What part of the nervous system will slow Brenda’s pulse?

Answer 10

parasympathetic

Question 11

Specialized cells that measure the pressure inside blood vessels are called:

Answer 11

stretch receptors.

Question 12

Which of the following BEST describes the medical condition of shock?

Answer 12

A state of inadequate tissue perfusion

Question 13

The net result of respiratory challenges is low oxygen, also called _____________ within the body.

Answer 13

hypoxia

Question 14

What is the name of the heart dysfunction caused by an electrical source that causes the heart to beat too fast?

Answer 14

Tachycardia

Question 15

The body metabolizes sugar to produce chemoreceptors.

Answer 15

fals

Question 16

What is the name of the “fight or flight” response that stimulates blood vessels to constrict and prepares the body for fighting or running?

Answer 16

sympathetic

Question 17

A patient breathing in room air should be receiving _____ percent oxygen.

Answer 17

21%

Question 18

The process of metabolism that uses oxygen is called:

Answer 18

aerobic metabolism.

Question 19

Janie is having difficulty breathing. Her current tidal volume is 350 mL, and she is breathing at 28 times per minute. What would be her minute volume?

Answer 19

9,800 mL

Question 20

A 19-year-old male is reported to have taken too many narcotic pain pills that were prescribed for his recent knee surgery. He is extremely sleepy with very shallow breathing. His color is pale and his SpO2 reading is 84 percent. His body is probably attempting to compensate for his poor level of ventilatory effort by stimulating the respiratory system to increase rate and tidal volume. Normally, respiratory drive is triggered by changing levels of:

Answer 20

carbon dioxide