WCU - PHYS 261 - FINAL - PREP
QUESTIONS with answers
A patient had an opioid overdose causing respiratory depression. Which would you expect for
kidney compensation? - correct answer ✔✔ Increased hydrogen ion excretion and increased
bicarbonate ion reabsorption
Hemostasis has three major steps. The first is vasoconstriction and the final step is coagulation.
What occurs between these two steps? - correct answer ✔✔ Formation of a platelet plug
Aerobic metabolism of glucose - correct answer ✔✔ requires oxygen and produces more ATP
per glucose than anaerobic pathways.
Histamine's primary role in the respiratory system is as a - correct answer ✔✔
bronchoconstrictor
Albuterol is a drug used to treat asthma. Albuterol and epinephrine are both agonists for a
receptor that stimulates the dilation of bronchioles. Albuterol and epinephrine are examples of
________ - correct answer ✔✔ competitors
Which of the systems listed in Table 1.1 plays a role in increasing oxygen delivery to muscles as
you are running a race? - correct answer ✔✔ Circulatory, musculoskeletal, nervous, respiratory
The common pathway of coagulation begins with the - correct answer ✔✔ activating of a
clotting factor that converts prothrombin to thrombin
The product of the SRY gene is - correct answer ✔✔ testis-determining factor (TDF)
, The opening in the eye through which the light passes on to the retina is the - correct answer
✔✔ pupil
Which tissue in the walls of blood vessels allows for regulation of vessel diameter? - correct
answer ✔✔ Smooth muscle
The chemical bonding behavior of an atom is directly determined by the - correct answer ✔✔
number and arrangement of electrons.
Meiosis of one cell results in production of - correct answer ✔✔ four gametes if male, one if
female.
Information coming into the central nervous system is transmitted along ________ neurons. -
correct answer ✔✔ afferent and sensory
Match these brain areas with their descriptions. playing key roles in homeostasis, an area that
contains centers for hunger and thirst, as well as controlling the autonomic nervous systems
A. cerebellum
B. hypothalamus
C. thalamus
D. cerebrum - correct answer ✔✔ hypothalamus
Vision is especially acute in the fovea and surrounding macula because of a high density of cone
cells and because __________. - correct answer ✔✔ there are no neurons covering the cones
Movement of the cupula in the ampullae of the semicircular canals allows detection of - correct
answer ✔✔ rotational acceleration.
QUESTIONS with answers
A patient had an opioid overdose causing respiratory depression. Which would you expect for
kidney compensation? - correct answer ✔✔ Increased hydrogen ion excretion and increased
bicarbonate ion reabsorption
Hemostasis has three major steps. The first is vasoconstriction and the final step is coagulation.
What occurs between these two steps? - correct answer ✔✔ Formation of a platelet plug
Aerobic metabolism of glucose - correct answer ✔✔ requires oxygen and produces more ATP
per glucose than anaerobic pathways.
Histamine's primary role in the respiratory system is as a - correct answer ✔✔
bronchoconstrictor
Albuterol is a drug used to treat asthma. Albuterol and epinephrine are both agonists for a
receptor that stimulates the dilation of bronchioles. Albuterol and epinephrine are examples of
________ - correct answer ✔✔ competitors
Which of the systems listed in Table 1.1 plays a role in increasing oxygen delivery to muscles as
you are running a race? - correct answer ✔✔ Circulatory, musculoskeletal, nervous, respiratory
The common pathway of coagulation begins with the - correct answer ✔✔ activating of a
clotting factor that converts prothrombin to thrombin
The product of the SRY gene is - correct answer ✔✔ testis-determining factor (TDF)
, The opening in the eye through which the light passes on to the retina is the - correct answer
✔✔ pupil
Which tissue in the walls of blood vessels allows for regulation of vessel diameter? - correct
answer ✔✔ Smooth muscle
The chemical bonding behavior of an atom is directly determined by the - correct answer ✔✔
number and arrangement of electrons.
Meiosis of one cell results in production of - correct answer ✔✔ four gametes if male, one if
female.
Information coming into the central nervous system is transmitted along ________ neurons. -
correct answer ✔✔ afferent and sensory
Match these brain areas with their descriptions. playing key roles in homeostasis, an area that
contains centers for hunger and thirst, as well as controlling the autonomic nervous systems
A. cerebellum
B. hypothalamus
C. thalamus
D. cerebrum - correct answer ✔✔ hypothalamus
Vision is especially acute in the fovea and surrounding macula because of a high density of cone
cells and because __________. - correct answer ✔✔ there are no neurons covering the cones
Movement of the cupula in the ampullae of the semicircular canals allows detection of - correct
answer ✔✔ rotational acceleration.
