Where does exchange occur?
A) nose
B) pharynx
C) larynx
D) trachea
E) alveoli
(
Question 2) Mr. Lee says he felt scared to death when his neighbor's dog bit him. Which of the following did he NOT experience as a result of catecholamine release?
A) increased alertness
B) dilation of the small passageways of the lungs
C) increased heart rate
D) decreased blood pressure
E) increased blood glucose levels
(
Question 3) What fatty molecule is made by alveolar cells to reduce surface tension and prevent alveolar collapse between breaths?
A) sebum
B) surfactant
C) nicotine
D) mucus
(
Question 4) The fight-or-flight response triggers the release of ________.
A) antidiuretic hormone (ADH)
B) prolactin (PRL)
C) growth hormone (GH)
D) epinephrine
E) melatonin
(
Question 5) In order to return acidic blood pH to normal, breathing becomes deeper and more rapid, a phenomenon known as ________.
A) hypoventilation
B) hyperventilation
C) apnea
D) dyspnea
(
Question 6) Daniella has been diagnosed with Addison's disease. Which of the following is probably NOT one of her signs or symptoms?
A) bronze skin tone
B) high blood pressure and edema
C) weak muscles
D) hypoglycemia
E) inability to cope with stress
(
Question 7) The most important stimulus for breathing in a healthy person is the body's need to rid itself of the blood gas called ________.
A) carbon dioxide
B) oxygen
C) methane
D) nitrous oxide
(
Question 8) Which of the following is a function of the mineralocorticoids, such as aldosterone?
A) help resist long-term stress
B) increase blood glucose levels
C) decrease edema
D) suppress inflammation
E) regulate salt content of the blood
(
Question 9) The regulation of the activity of the breathing muscles, the diaphragm and external intercostals, is controlled by nerve impulses transmitted from the brain via the ________ and ________ nerves.
A) splanchnic; sacral
B) trochlear; trigeminal
C) phrenic; intercostal
D) cranial; spinal
(
Question 10) The enzyme produced by the kidneys when blood pressure drops, stimulating a release of aldosterone, is called ________.
A) cortisone
B) renin
C) cortisol
D) vasopressin
E) angiotensin II
Quick Reply
