Multiple Choice Questions And Answers

EMT Chapter 6: The Human Body -

Multiple Choice Questions And Answers

Question 1: Activities such as walking, talking, and writing

are regulated by the:

• Central nervous system
• Autonomic nervous system
• Involuntary nervous system
• Somatic nervous system

CORRECT ANSWER: D. somatic nervous system

Question 2: Breathing occurs as the result of a(n):

• Increase in oxygen, which decreases the pH of the

cerebrospinal fluid

• Decrease in carbon dioxide, which increases the pH of the

cerebrospinal fluid

• Decrease in oxygen, which increases the pH of the

cerebrospinal fluid

• Increase in carbon dioxide, which decreases the pH of the

cerebrospinal fluid

CORRECT ANSWER : D. increase in carbon dioxide, which

decreases the pH of the cerebrospinal fluid

Question 3: Both areas of the pons are used to:

• Ensure that the lungs do not overinflate during breathing
• Augment respirations during emotional or physical stress
• Provide forced inspiration or expiration as needed
• Set the base rate and depth of breathing in a healthy person

CORRECT ANSWER : B. augment respirations during

emotional or physical stress

Question 4: Bile is produced by the liver and concentrated

and stored in the:

• stomach.
• kidneys.
• gallbladder.
• pancreas.

CORRECT ANSWER : C. gallbladder

Question 5: A patient has a large accumulation of blood in the

sac surrounding the heart. Which type of shock would this condition cause?

• Hypovolemic
• Obstructive
• Cardiogenic
• Neurogenic

CORRECT ANSWER : B. Obstructive

Question 6: A by-product of involuntary muscle contraction

and relaxation is:

• oxygen.
• lactic acid.
• heat.
• nitrogen.

CORRECT ANSWER : C. heat

Question 7: A patient has a blood pressure of 130/70 mm Hg.

The "130" in this measurement represents:

• atrial contraction.
• ventricular relaxation.
• ventricular contraction.
• ventricular filling.

CORRECT ANSWER : C. ventricular contraction

Question 8: A person's bones will become brittle if he or she

is deficient in:

CORRECT ANSWER : calcium

Question 9: An increase in heart rate and contractility occurs

due to stimulation of: