EMT CHAPTER 6 THE HUMAN BODY | LATEST 2026 |
QUESTIONS AND 100% VERIFIED ANSWERS | GRADED
A+
The phase of the cardiac cycle in which the ventricles fill with blood is called:
A. diastole.
B. cardiac output.
C. systole.
D. stroke volume.
- ANSWER: A. diastole
The air you breathe is _______ oxygen, and the air you exhale is _______ oxygen.
A. 21%; 16%
B. 16%; 25%
C. 25%; 32%
D. 21%; 35%
- ANSWER: A. 21%; 16%
Pathophysiologyis the study of the functional changes that occur when the body reacts to
a particular:
A. disease.
B. protocol.
C. medication.
D. assessment.
- ANSWER: A. disease
Relative to an adult's airway anatomy, the child's:
A. tongue takes up less space in the pharynx.
B. mouth and nose are proportionately larger.
C. trachea is smaller, softer, and less flexible.
D. pharynx is smaller and less deeply curved.
- ANSWER: D. pharynx is smaller and less deeply curved
An increase in heart rate and contractility occurs due to stimulation of:
A. beta-2 receptors.
B. alpha-1 receptors.
, C. alpha-2 receptors.
D. beta-1 receptors.
- ANSWER: D. beta-1 receptors
Mean arterial pressure (MAP) is a product of:
A. heart rate and stroke volume.
B. stroke volume and systemic vascular resistance.
C. heart rate and systemic vascular resistance.
D. cardiac output and systemic vascular resistance.
- ANSWER: D. cardiac output and systemic vascular resistance
At rest, the normal adult heart rate should not exceed:
A. 70 beats/min.
B. 80 beats/min.
C. 90 beats/min.
D. 100 beats/min.
- ANSWER: D. 100 beats/min
Your ability to remain awake is a function of the:
A. reticular activating system.
B. pons and medulla.
C. limbic system.
D. cerebellum.
- ANSWER: A. reticular activating system
Which of the following conditions would affect the "Q" portion of the V/Q ratio?
A. Airway obstruction
B. Pulmonary edema
C. Pulmonary embolism
D. Slow, shallow breathing
- ANSWER: C. Pulmonary embolism
The firm cartilaginous ring that forms the inferior portion of the larynx is called the:
A. tracheal cartilage.
B. thyroid cartilage.
C. cricoid cartilage.
QUESTIONS AND 100% VERIFIED ANSWERS | GRADED
A+
The phase of the cardiac cycle in which the ventricles fill with blood is called:
A. diastole.
B. cardiac output.
C. systole.
D. stroke volume.
- ANSWER: A. diastole
The air you breathe is _______ oxygen, and the air you exhale is _______ oxygen.
A. 21%; 16%
B. 16%; 25%
C. 25%; 32%
D. 21%; 35%
- ANSWER: A. 21%; 16%
Pathophysiologyis the study of the functional changes that occur when the body reacts to
a particular:
A. disease.
B. protocol.
C. medication.
D. assessment.
- ANSWER: A. disease
Relative to an adult's airway anatomy, the child's:
A. tongue takes up less space in the pharynx.
B. mouth and nose are proportionately larger.
C. trachea is smaller, softer, and less flexible.
D. pharynx is smaller and less deeply curved.
- ANSWER: D. pharynx is smaller and less deeply curved
An increase in heart rate and contractility occurs due to stimulation of:
A. beta-2 receptors.
B. alpha-1 receptors.
, C. alpha-2 receptors.
D. beta-1 receptors.
- ANSWER: D. beta-1 receptors
Mean arterial pressure (MAP) is a product of:
A. heart rate and stroke volume.
B. stroke volume and systemic vascular resistance.
C. heart rate and systemic vascular resistance.
D. cardiac output and systemic vascular resistance.
- ANSWER: D. cardiac output and systemic vascular resistance
At rest, the normal adult heart rate should not exceed:
A. 70 beats/min.
B. 80 beats/min.
C. 90 beats/min.
D. 100 beats/min.
- ANSWER: D. 100 beats/min
Your ability to remain awake is a function of the:
A. reticular activating system.
B. pons and medulla.
C. limbic system.
D. cerebellum.
- ANSWER: A. reticular activating system
Which of the following conditions would affect the "Q" portion of the V/Q ratio?
A. Airway obstruction
B. Pulmonary edema
C. Pulmonary embolism
D. Slow, shallow breathing
- ANSWER: C. Pulmonary embolism
The firm cartilaginous ring that forms the inferior portion of the larynx is called the:
A. tracheal cartilage.
B. thyroid cartilage.
C. cricoid cartilage.
